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Home Coming
by Pete Largo (petelargo@hotmail.com)

***

This is the story of one of the most satisfying sexual 
relationships I've ever had; no one since, has made me 
come harder, for longer, than my sister Cathy. (mmff-
teens, inc, 1st, mast, oral, bi, orgy, voy)

***

It began in the early summer. My parents had separated 
three years previously, and my sister had moved away 
with Mom to the west coast, while I stayed with Dad. I 
guess there was a lot of bad feeling between my folks, 
because for that three years, I didn't see either Mom or 
Cathy at all; I got to speak with them on the phone over 
holidays and such, but that was it.

Eventually, there was a thawing in the iciness that had 
prevailed between my parents, and a "prisoner exchange" 
of sorts was arranged; my sister would come to stay with 
us for a month over the summer, and then I would go and 
visit them likewise for a month. I was eager to have 
this happen; I missed both Mom and Cathy terribly, 
although in actuality they had been out of my life for 
so long that they had both become just a sort of 
sentimental memory to me.

Then, toward the end of June, the big day finally came, 
and my sister Cathy arrived at our house. Dad picked her 
up at the airport, and, after getting her settled in the 
house, said to us, "I guess you two kids have a lot of 
catching up to do. Why don't you go visit, and we'll all 
meet for dinner at 6 o'clock."

I felt a little awkward around her; she had been only 
thirteen when last I had seen her, many years ago, a 
little girl in pig tails, and she had grown a lot since 
then not only in size, but she was developing into a 
woman precociously. She had a pretty face, framed by 
long, wavy brown hair, and a cute figure, with a 
generous developing bust and nice waist. She had also 
grown into a self-possessed, intelligent person, not 
just the childish little girl I used to tease and 
ignore; she felt to me like a stranger, and I didn't 
know how to behave toward her.

We went into the back yard and sat on the bench under 
our willow tree. Our house was an old house in the upper 
New York state countryside, and the back yard overlooked 
a small pond. As we talked, I felt that she was as 
unsure of things as I felt, being back here after so 
long among people she really didn't know well anymore. 
So we shared our memories and told each other of our 
current lives shyly, with a certain delicacy. 

Over the few hours before dinner, we quickly found our 
footing with each other, warming up and relaxing in each 
other's company as we opened our lives to each other. I 
felt that she had really turned out to be a great 
person, and I found myself feeling very close and open 
with her, as if she was my twin, and not just my little 
sister. We found agreement about all sorts of things, 
sharing many of the same attitudes towards the facets of 
our worlds. By the time dinner rolled around, we were 
fast friends.

We had a family dinner with dad; he was obviously glad 
to have her there, but he seemed a little distant and 
stiff, warming up only a little as we spent the evening 
visiting and watching TV. After a few hours, agreeing 
that we were all tired, we turned in for the night. It 
felt funny to have another presence in the house, and a 
feminine one at that; she was staying in her old room, 
at the end of the hall on the other side of our 
bathroom. 

I of course was used to having the bathroom, and in fact 
the whole end of the second floor, to myself; and to 
have to wait while she used the bathroom to get ready 
for bed felt weird; and then, when I finally did get 
into the bathroom myself, having her feminine 
accessories around added to the unfamiliarity.

Our adventure really began that night, although it took 
days to blossom. I got up in the middle of the night to 
pee, and went into the bathroom, leaving the door open 
sleepily as I always did; there hadn't been reason to do 
otherwise for years. I always slept in pajamas, as I was 
that night; and as often happened when I got up at 
night, I had an erection. I was standing in front of the 
toilet, having pulled the front of my pajama bottoms 
down to clear my stiff dick, and was pushing it 
downwards toward the toilet, about to begin peeing, when 
I heard a sound, and sleepily looked up to see Cathy 
standing there! 

She had apparently come in to do the same thing as me, 
and hadn't expected to find me there any more than I had 
thought of her. We both froze, for a timeless moment 
that seemed to go on forever, as she realized what she 
was looking at, and I realized what she was seeing. Then 
she turned away shyly, murmuring an apology, and left; I 
closed the door, peed, and went back to bed.

The next morning at breakfast, we were both a little 
reserved, uncertain how to deal with our encounter of 
the night before. I didn't know what her reaction was, 
but I felt uneasy, and was content to let the incident 
lapse, not acknowledging it to her. It was the first 
time a girl had seen me with my pants down, let alone 
with a hard-on, and, although the idea gave me twinges 
of excitement, it was new territory, harder to deal with 
than the status quo. 

I was sexually active already, being an avid 
masturbator, but the extent of my sexual experience with 
others was having a friend who I jacked off with from 
time to time. I of course had a rich fantasy life, but 
had yet to translate it into actual experience; so the 
whole issue was complicated for me. The fact that Cathy 
felt more like a cute stranger to me than a little 
sister only added to my confusion. So, I was content to 
avoid confronting the whole issue by denial and proceed 
as if nothing had happened, avoiding taking any 
responsibility for my actions, letting events shape 
themselves.

Whatever uneasiness there may have been between us that 
morning quickly dissipated, and we spent a fun day 
hanging out and getting reacquainted. But I felt a very 
slight undercurrent of something between us, as though 
we had a tacit understanding that something had 
happened, but we weren't going to deal with it just yet.

Then late that afternoon, the two of us were sitting 
again relaxing under the willow tree before dinner, when 
in a quiet moment, Cathy, looking down at her hands, 
quietly said, "I had a hard time getting back to sleep 
last night after I saw you in the bathroom."

I sat startled, alert, waiting to see where this was 
going. 

"I've seen diagrams and that sort of thing in health 
class," she continued quietly, still looking down, "but 
that was the first time I've ever actually seen a boy's 
thing, at least since we were small kids." 

We sat in silence a few more moments, then, suddenly 
looking up at me, she said thoughtfully, "It looked so 
big! Was it hard?"

I was taken aback; then, embarrassed, I stammered how 
boys sometimes got hard while they were sleeping, and I 
started to fumble an apology for leaving the bathroom 
door open. 

"That's okay," she interrupted, "I'm glad I got to see 
it." Then, after a moment's silence, looking away again, 
she asked me very quietly, "Would you let me see it 
again sometime?"

I felt as if a bomb went off inside me. A rush of 
different emotions ran through me, and I felt my face 
reddening; then, surprised by a sudden boldness surging 
up from a hidden part of myself, I felt myself saying, 
"Okay, if you'd like" but then suddenly the words, "You 
could come to my room tonight after we turn in, if you 
want..." blurted from my mouth.

As if to dissipate the embarrassment that was hanging in 
the air from our sudden intimacy, Cathy changed the 
subject, and we resumed the conversation that we had 
been having before she had dropped her bombshell. 
Throughout dinner and the rest of that evening a 
correctness and politeness prevailed between us, but I 
could feel that the memory of our talk was in the 
forefront of both our thoughts.

As we prepared for bed, I wondered if she would actually 
follow through on my invitation.

I was very excited at the prospect of "showing off" for 
Cathy. I had a strong sex drive, masturbating 
frequently, both alone and with a couple of friends; but 
had never had any direct sexual contact with a girl, and 
was eager to. For me the fact that she was my sister was 
an advantage; we had a built-in intimacy, and no 
prospect for needing to maintain a relationship and at 
the same time, the fact that she was a relative stranger 
to me made her exciting as a potential sex partner.

I went to bed, lying quietly, waiting either to go to 
sleep or for the anticipated visit. Eventually I was 
drifting off into my thoughts, when I heard my door open 
quietly, and then close. I reached over and turned on my 
bedside lamp, revealing Cathy standing there in her 
nightie. I sat up awkwardly, swinging out my feet to sit 
on the side of the bed, as she came over, and sat down 
next to me; she looked at me, then down towards my lap, 
and playfully said, "Well, let me see it!"

There was a sizable bulge pushing out the front of my 
pajamas already; and as the reality of the situation 
penetrated my awareness, I felt a further surge in my 
dick, as I rose myself up off the bed slightly, and 
pushed down the waistband of my bottoms.

My erection, now fully hard, sprang free, as Cathy 
watched; and I settled back down on the edge of the bed, 
leaning back on my elbows to show it off fully. Staring 
at it wide-eyed, she said, "Wow! It's HUGE!"

I felt on fire; sitting back, both of us staring 
intently at my stiff cock, which was rock hard, its skin 
stretched shiny-tight, I basked in the thrill and 
arousal of showing this cute girl my most private parts. 
She studied it with great attention and curiosity; as 
she looked at it, she said, "I can't believe this could 
fit inside a girl!" then, "Are all boys this big?"

I explained that apparently it could fit somehow; and 
that everyone is different, and as far as I could tell 
from the school gym, and the few friends who I had seen 
hard, that I was pretty big. 

Then she asked me if I had ever had an orgasm.

I smiled, and told her that I did as often as possible, 
usually once a day, sometimes twice. Wide eyed, she 
moved her head closer to it to study its tip, asking, 
"How much stuff comes out when you do?" 

I said it depends on how hot I feel, and how long I 
masturbate it; but maybe about a couple of tablespoons. 

She asked, "Will you show me?"

I felt a flush of dizzying excitement, and the blood 
rushing in my ears, as I acquiesced in this new level of 
intimacy by reaching for my hard-on in front of her. I 
grasped it with my left hand just above my balls, and 
with my right hand about an inch below the rim, and 
began to move both hands up and down slowly, pulling the 
skin up over the rim of its head on each upstroke. 

She sat next to me, and watched curiously. "Have you 
ever been with a girl? Have you done this with anyone 
before?" 

I told her she was the first girl to see my hard-on, but 
that I sometimes jacked off with a friend of mine. She 
watched my balls ride up and down with each stroke, 
commenting on their beefiness.

Suddenly, a drop of fluid squeezed out of the hole and 
sat perched glistening on the tip; Cathy asked 
excitedly, "Are you having an orgasm?" 

I told her no, that as I got hotter slippery fluid came 
out to lubricate it, and not to worry, when I was having 
an orgasm she would know about it; and I told her we 
called it "cumming," and we called masturbating "jacking 
off".

As she watched excitedly, she told me how she had a girl 
friend back home who had showed her how to masturbate, 
and would come over to her house for sleepovers, and 
they would masturbate each other. She said they called 
it "finger fucking," and that her pussy also got very 
wet before she would come.

We watched the drop of pre-come sitting on the tip of my 
dick swelling with each downstroke of my hands, then 
shrinking slightly with the upstroke as some of it was 
sucked back down into the hole; I was going very slowly 
to try to make it last. I felt incredibly hot; I was 
panting, more excited than I had ever been; having my 
sister watching me work on my erection, masturbating it 
slowly and very thoroughly, was the sexiest thing I had 
ever done.

It felt incredibly hot to have this curious, cute girl 
eagerly watching me work on my big dick... it felt 
wonderfully nasty, and the forbiddingness of the act, 
considering that she was my sister, added greatly to the 
thrill I felt as we watched me masturbating.

The drop of fluid finally grew too large to stay 
balanced on the tip of my dick, and its own weight 
started it slowly flowing down my dick. We watched it 
flow down the top of my helmet-shaped head, get caught 
briefly on the thick, protruding rim, and then get 
dragged down the shaft when it hit my hand, leaving a 
shiny, wet trail over the head as more fluid flowed 
down. As the juice pooled around my hand on the shaft, 
it began to make a sticky, wet sound; and Cathy 
commented on how much juice was coming out.

I stopped my jacking movements, and took my hands away 
from my erection, explaining to my sister that I was 
getting close to cumming, and I wanted to slow down and 
build up more come for her. We watched my hard-on 
bouncing slightly with my pulse, which had gotten very 
fast by now. It was shiny wet, stretched to its maximum 
with excitement; the head a deep shiny purple, the veins 
along the shaft a rich blue. 

Cathy studied it all around, commenting on how much 
bigger it was when it was close to cumming than when we 
had started, and how wet it had gotten. I told her we 
called the fluid "cream," and as we watched, a fresh 
pulse of cream oozed from the head and began its trip 
down the shaft.

Cathy told me how excited it made her to see my dick in 
such a state, and that maybe she'd finger herself for me 
after I came. I felt the urge to come subsiding, so I 
grasped the shaft in the middle, with one hand now so 
Cathy would have a better view. I started to slide the 
skin on the shaft up and down very slowly in a steady 
rhythm; the sticky sounds resumed. 

Cathy commented on how amazingly loose the skin was on 
my dick, that it could be slid around so far; and again 
on how large my dick and balls were, saying that it must 
be weird having something that big bouncing around and 
hanging between my legs all the time.

"Does it hurt to have it so swollen like that?" she 
asked, watching me cream.

I replied, with some difficulty being so close to 
cumming, "No, it feels incredible. In fact, the harder 
it is, the better it feels. When I'm really hot, like I 
am now, it gets so swollen that the skin gets stretched 
really tight, and gets ultra-sensitive."

At that moment, I could feel myself passing the point of 
no return. I warned Cathy that I was about to come, as I 
felt the incredible deliciousness of the juices pooling 
in my balls; I slowed, and almost completely stopped, my 
jacking, to prolong the orgasm as much as possible; my 
erection started twitching involuntarily, and I stopped 
rubbing it altogether, and took my hand away, as I felt 
the fire building in my limbs, centering on my 
midsection.
 
My sight began to dim, and I heard a roaring in my ears; 
then, with a large spasm, my dick jumped and a thick 
rope of white come shot out from its head high over my 
chest, then another and another, my dick jumping in 
spasm with each shot. 

Cathy exclaimed, "My God!" 

It was far and away the most powerful orgasm I had ever 
experienced, and my erection kept bobbing over and over, 
as more come, now in a stream pooling in my pubic hair, 
pulsed from my erection in a diminishing flow.

As the throbbing in my genitals subsided, I returned to 
awareness of my surroundings. My chest was spattered 
with streams of come, trailing down to my pubic area, 
which was soaked in a white puddle. Cathy repeated, "My 
God. That was incredible! Was that a particularly big 
one?" 

I explained that it was, that having her watch me had 
given me the best come I could remember. She was flushed 
and breathing hard, obviously aroused by the experience 
of watching me come, clearly surprised and excited by 
the magnitude of the explosion.

As my hard-on began to subside, she laid back on the 
bed, still breathing hard, and quickly pulled down the 
white cotton panties that she had on under her nightie; 
and started to urgently rub herself with her fingertips 
inside the slit of her pussy, that was now exposed 
openly to my view. 

I saw the soft in curve of her waist, and her flat belly 
above the slight nest of soft, brown curls that spread 
over the mound of her pussy; I admired the pouting, now-
swollen lips of her pussy, that she was in the midst of 
frantically working on, nestled between her two petite, 
smooth thighs, that led up to the plump swelling of her 
cute ass.

Her head was thrown back, her eyes partly closed, and 
she seemed lost in the world of her arousal. I watched 
with interest what she was doing with her hand; I had 
never seen a girl masturbate before. Her legs were 
partly spread, and she had the tips two fingers of her 
right hand moving rapidly between her lips near the top 
of her slit, which looked swollen and pouty. 

Instinctively I reached out and with my fingertips, 
touched the lips of her pussy just below where she was 
so frantically rubbing. She opened her eyes as she felt 
my touch, moaning "Oh!" then saying hoarsely, "I'm just 
about to cum!"

I slipped my fingertips between her swollen lips near 
the bottom of her slit, feeling a very warm, slippery 
wetness; she pushed her head back, closed her thighs on 
my hand, breathing, "Oh! Oh!" softly, as I felt the 
smooth, wet flesh under my fingers start to pulse in 
strong, rhythmic spasms. I felt her cumming for perhaps 
twenty seconds, her pussy pulsing strongly, her entire 
body tightening with each spasm, with gradually 
diminishing intensity, until finally the last few pulses 
were maybe five seconds apart.

She relaxed, lying back, spent. I said softly, "Wow! Was 
THAT a particularly big one?" 

She opened her eyes and looked over to me, and answered, 
with a blend of shyness, embarrassment, and pride, "I've 
never had such a big one before. I guess watching you 
really made me excited; and then when you touched me..." 

I agreed that seeing someone else was a major turn on; I 
told her how I would get together with a friend of mine 
and do it, and how hot I would feel watching them, how 
seeing them come would make me want to; but it was great 
seeing her do it, and that I had never seen a girl come 
before.

I mopped myself off with a dirty t-shirt as she wiped 
her slit with some Kleenex, then put her panties back 
on. There was a slight air of embarrassment between us, 
and as I pulled on my pajama bottoms, she slipped out 
the door to her room, closing it quietly.

***

The next morning as I came down to breakfast, I was 
apprehensive about how she would respond to me after the 
events of the previous night. I was a seething cauldron 
of conflicting emotions: embarrassment at having let her 
see me jack off; guilt at involving my little sister, 
who I ought to be protective of, in such forbidden 
activities; a kind of tender closeness with her at 
having shared such intimacy; and a thrilling hope that 
she liked it as much as I had, and might even want to do 
it again.

I entered the kitchen, to find Dad and Cathy already 
sitting down to eat. I came in nonchalantly, said good 
morning and sat down, glancing up surreptitiously at my 
sister, to assess her mood. Father gave me a perfunctory 
greeting and Cathy looked up at me, and gave me a 
neutral, self-absorbed good morning back. 

I was in torment; I couldn't tell what she was feeling. 
I kept a cool exterior, eating breakfast normally, then 
taking my dishes to the sink. Cathy ate quietly, mostly 
looking down at her plate. I feared the worst; that she 
was upset about last night, or worse, really suffering 
inside herself at the perversion I had permitted to 
happen.

Our father got up and organized himself to go off to his 
work. As he said goodbye to us and headed off to the 
front door, I glanced over towards Cathy nervously, as 
she was rinsing her dish at the sink, fearing the 
confrontation that was to come. As I heard the front 
door closing, I was about to stammer out an apology for 
my behavior of last night when she turned around, 
looking up at me shyly, and said, "That was really 
amazing last night."

My emotions did a somersault, and I felt a wild surge in 
my heart, and also in my crotch. "Yeah, I thought it was 
amazing, too," I agreed, feeling an excitement to be 
having this conversation with her. "It was amazing 
seeing your thing squirting like that. I couldn't 
believe how it exploded." 

Looking at me appraisingly, she asked with a gleam in 
her eye, "How long do you have to wait usually before 
you want to do it again?" 

I said that I sometimes did it again right away, but 
that it was usually better if I let it build up for at 
least a few hours, or overnight. I asked her how it was 
for her, and she said that it varied, but sometimes she 
could do it over and over. "Would you like do it again 
now? It HAS been overnight," she said coyly.

At my blushing smile, she led the way into the living 
room towards the sofa. 

"Would this be okay, or do you need to be lying down?" 
she asked me, as we started to sit down. 

I laughed as I reached to undo my belt, saying that I 
could do it in any position. We sat on the sofa side by 
side; and as she watched interestedly I unzipped my fly, 
and slowly slid my pants and underwear halfway down my 
thighs, freeing my erection to flop upwards toward my 
belly. It felt so hot to be showing off my hard-on to a 
girl again; I felt my dick swelling to rock-hard.

"Wow!" she said again, studying it in the brighter 
morning light; then after a moment, asked, "C-can I feel 
it?" 

At my silence she cautiously reached a hand out, and 
grasped it gently on either side of the shaft between 
her thumb and fingertips. Squeezing slightly, feeling 
its texture, she said, "It's so hard and warm! It feels 
like it's made of rubber." She tentatively wrapped her 
hand around the middle of its shaft; her small hand 
wouldn't go all the way around it. "Can I make it, uh, 
cum? Would you teach me how to do it?"

The velvety feeling of her hand on my erection, 
squeezing it gingerly, was heaven! I couldn't believe 
such sensations were possible. As she experimented with 
pulling her hand up, sliding the loose skin along the 
shaft up towards the head, pulling my balls up with it, 
I felt a tingling playing through my entire body, from 
my head to the soles of my feet. "This is going to be 
incredible!" I thought.

I told her I would love it, and described to her how to 
grab the shaft a few inches below the head and slowly 
pull the skin on the shaft just up over the rim, letting 
it back down again steadily, over and over, being 
careful not to grasp the shaft too hard or to move her 
hand too fast. As she heard me talking she was trying 
out what I was saying, getting the feel of my dick, how 
much the skin would move, squeezing with different 
strengths, and so on. Her inexperience and tentativeness 
added to the stimulation; feeling her do me was 
incredible.

She was asking me how it felt, and how good a job she 
was doing, as she continued to get the feel of jacking 
me. Sighing, I told her how incredible it felt, that 
even when I was being jacked off by my friend it had 
never been this good; I warned her to go really slow so 
I wouldn't come too soon. 

I explained how much better an orgasm was when it was 
built up for as long as possible; she agreed, saying 
that it was the same for girls. I was fully swollen now, 
and each time she pulled up on my shaft her motion made 
my cock-hole pout, producing a slight "popping" sound 
with each stroke.

As she continued doing me she asked me about what my 
friend and I did together, and I told her how we would 
get together at one of our houses when no one else was 
around, and do each other; how we had started just 
jacking off with each other, but eventually through 
experimenting found out how much better it felt when 
someone else did it to you; so now that's what we did. 

I told her that we usually took turns, one of us doing 
the other until he came, or sometimes we would stop just 
before the other one came, and switch places again, 
drawing it out; that we could sometimes last for several 
hours that way, and had huge orgasms. She said she'd 
love to watch us doing that sometime.

As we watched her slowly pulling on my erection, a drop 
of cream oozed out the hole, and began a slow trickle 
down the front of the head towards her jacking hand. 
Seeing it, she asked me to warn her when I was going to 
come, so she would be ready; then she asked if I did 
anything special with the cream when it started 
dripping. 

I told her how you could just let it drip down and build 
up around the jacking hand and it would get nice and 
slippery, but that the best thing was to use a fingertip 
to softly spread the wetness all around the head, making 
it really slippery, and then softly tickle the head and 
rim, making an incredibly intense burning-tingling 
sensation.

Hearing this, she softly stopped her jacking, and using 
her index fingertip, started drawing soft circles slowly 
around the head, dragging the stream of cream behind her 
finger. 

I sighed, "Ahhh..." and told her how hot she was making 
me feel. I told her she better stop soon or that she'd 
make me cum, and what she was doing felt too intense. 

She stopped, and asked me if she could just feel me up, 
if that would be less intense and let me last; I told 
her I thought so.

She moved her hand away from the tip, and reached it 
down to feel my balls, reaching with her other hand to 
trace the thick column that ran up the underside of my 
shaft. I warned her that if she stayed away from the 
head it should be okay, and to be very gentle with my 
balls. She put her palm down between my legs and hefted 
my big sack, bouncing slightly up and down, feeling the 
weight; it filled her cupping palm, spilling slightly 
over each side of her palm. 

Then she explored the shape of each ball, gently rolling 
them through her fingers, marveling at their size. She 
gently pushed my hard-on down towards my belly, letting 
it bounce back up, studying its movement, asking if that 
was okay. 

I told her to let go and I would show her something; and 
when she did, I started flexing my groin muscle, making 
my shaft bounce up and down; then tightening and holding 
the muscles, making it stick straight out and swell even 
more, the head growing shiny and darker red with 
swelling, a fresh stream of cream being forced out the 
hole. She grasped the shaft near the base and aimed it 
different directions, up and down, side to side, 
exploring the way it moved.

I told her it was probably okay to start jacking it off 
again, and she grasped it with both hands as she had 
seen me doing last night. It was funny seeing her small 
hands on my big shaft, not able to reach around it, far 
from the base or the head; with more than an inch of 
shaft showing between them. 

She started jacking her hands in unison, asking me if 
she was doing it "right" I told her, "Just keep it up 
just like that for a few more minutes and you'll see how 
right you're doing it." 

She giggled, and said that then we'd just have to see. I 
told her that I was wet enough, so that if she loosened 
her grip a little bit, her hands would start sliding up 
over the skin and up over the head as she jacked me off, 
and it would send me over the top.

I slumped down a little further in the sofa, pushing my 
pelvis out farther so my dick was sticking out as far as 
possible as she brought me into the home stretch. She 
was leaning over my midsection, working on me intently 
with both hands. My shaft was soaked, cream streaming 
steadily from the tip down over her slowly pumping 
hands, running down wetting the dark thatch of my pubic 
hair. Her movements were producing a steady murmur of 
wet, sticky sounds, that were the only sounds in the 
room, our conversation dying as we concentrated on 
masturbation.

I told her to watch my balls; that just before a boy 
comes, his balls rise up and tighten a bit; I told her 
that if she slowed her jacking way down when she saw 
them rising, she would make me have the biggest orgasm 
possible. She leaned forward a bit more, to get a better 
view of my balls rising and falling as she did me and 
after only about a minute more, she said excitedly, 
"They look like they're rising; are you about to come?"

I was too far immersed in my impending orgasm to answer 
her directly, but as I moaned assent she slowed her 
jacking way down, to maybe a stroke every second or two. 
I was delirious with pleasure; I felt paralyzed, my 
limbs rigid with ecstasy; my genitals felt completely 
engorged and stretched to their maximum, painfully so.

I felt the juices pooling in my balls; and a huge wave 
of tingling energy was sweeping slowly inward from my 
hands and feet toward my groin, building as it came, 
until, when it reached my center, I felt my entire body 
stiffen, and my dick began pulsing spasmodically, 
sending thick gobs of semen squirting out over my chest. 
Cathy watched in amazement, and she kept jerking me off 
as the spasms slowly died down, when I told her to start 
easing off.

As I lay back exhausted, she told me how exciting it was 
to feel how strongly my dick throbbed in her hands while 
I was cumming; and that feeling that, and seeing how 
strongly I squirted, and how much come there was 
shooting out really gave her a feeling for how hard I 
came. She said that her orgasms were wonderful, but she 
thought that I definitely won for strength; no wonder I 
liked to do it so much!

We lay back and watched my erection slowly subsiding. I 
felt a new kind of warmth, that I had never felt before 
toward anyone else, toward my sister. The intimacy of 
sharing so completely my most basic urges and actions 
with another person, a cute, interested girl, who seemed 
to accept, and even greatly enjoy, my most intimate 
needs and urges, was moving in a very deep way; and I 
felt a much more than just sexual satisfaction warming 
me.

Cathy got up and got a towel from the kitchen, and 
started to mop up the come from my chest and belly. She 
said, "After you rest a bit, I'll let you do it to me." 
I told her I didn't know how to do a girl, but I'd like 
to try it; and she said that then we were even, she'd 
teach me, like I had just taught her. As we lay back and 
talked, and she told me about her experiences; how a 
friend of hers had taught her about masturbating, and 
how they enjoyed doing it with each other on sleepovers.

She said her friend's name was Liz, who she had known 
casually for a few years, but really befriended a year 
ago. After they had started hanging out together at 
school, she had invited Liz, who was a year older, over 
to her house for a sleepover. 

As they had gotten ready for bed that evening and were 
changing into their nighties, in the course of seeing 
each others' bodies the talk had gotten more intimate, 
and at Liz's questioning it had emerged that Cathy 
didn't know about masturbating. 

She of course knew that it felt nice to touch herself 
between her legs, but she didn't know how far it could 
go. Liz had then told her that she had a treat coming, 
and had told her to lie back and let her show Cathy what 
she was missing.

They compared their bodies; Cathy's breasts were 
starting to blossom nicely, and Liz's were more full and 
rounded; and Liz's pussy had a fuzzy patch of soft hair 
around it, while Cathy's was much less furry. Liz had 
then tickled, pinched, and rubbed Cathy's breasts and 
nipples until she started feeling a warm and rich 
feeling inside herself. 

Cathy, at Liz's encouragement, was likewise doing Liz's 
tits in the way she was being done; after a while, when 
they were both "feeling hot," Liz had started stroking 
and tickling Cathy's pussy-lips on the outside, which 
Cathy reciprocated. It was a much more insistent 
stimulation than Cathy had ever done before, and she 
felt her pussy swelling and opening, and becoming moist, 
as was Liz's; they then began including the smooth skin 
inside their lips in their tickling and rubbing.

Liz had started rubbing Cathy's clit insistently, 
alternating with rubbing the outside of her little hole 
farther down; when Cathy had reciprocated, Liz told her 
to push her finger inside the hole while she was rubbing 
her clit; she tried to do the same to Cathy, but no more 
than the tip of her little finger would fit in. 

They did each other intensely for a while, each of them 
getting wetter and wetter, until Liz had cried out, and 
Cathy had felt her friend's pussy throbbing over and 
over; then Liz had gotten up on her knees and worked on 
Cathy feverishly, until after several minutes of this 
she started to have this amazing feeling surge through 
her, and then her whole body convulsed, as her pussy had 
its first orgasm. She said that ever since that night, 
they had gotten together regularly to do each other, 
just like me and my friend did; "It must run in the 
family!," she giggled.

As she had been telling me this story, she had lain 
back, and had let her dressing gown fall open, revealing 
that she was naked underneath it. Listening to her, I 
drank in the view of her figure; I hadn't seen any other 
girls naked except in pictures, and had been too 
absorbed last night to fully notice the nuances of her 
femaleness. Her breasts were not large, but were shaped 
very full and rounded, with prominent large, dark 
nipples; I imagined from this that they would be much 
larger when she was older, like our mother's were. 

She was slim, but already had the narrow waist and 
swelling hips of a woman, developed early for her age. 
She had a flat belly, subtly curving down to a cutely 
protruding mound above her pussy, which was lightly 
covered in a downy patch of dark, soft curls; and the 
lips of her treasure, which she had begun to 
absentmindedly stroke lightly with her fingertips as she 
recounted to me the story of her initiation into sex, 
were swollen pink and puffy (no doubt from the as yet 
unrequited excitement of jacking me off); slightly 
spread, with the reddish folds of her inner lips and the 
swollen tongue of flesh hiding her clit projecting from 
them.

I asked her if I could feel her breasts; in answer she 
reached out and took my hand, guiding it to her chest, 
and placing it cupping the breast nearest me. I was 
enthralled with its soft, silky warmth, and gently 
squeezed it, sliding my palm over its smoothness, her 
big nipple rubbing over my palm; Cathy's eyes drifted 
half-closed, and she gave a little sigh, encouraging me 
to continue. Putting her own hand on her other tit, she 
demonstrated for me how to tickle and pull on the 
nipple, and massage and stroke the rounded curve of the 
flesh, which I tried as I watched her. 

Her nipples swelled and stiffened, growing quite large, 
as we worked on them; she told me how good it felt, and 
that she could get very close to orgasm just by that; 
and that she and Liz liked to just do each other's tits 
until they each couldn't stand it, only then finishing 
each other off quickly by fingering each other's pussy.

After a few minutes, she pushed with her free hand on my 
arm, urging it to move downward from her chest across 
her belly; I stopped over her curls, running my fingers 
through them. They were downy-soft; clearly they were a 
fairly recent growth. 

I continued sliding my hand down her mound, my fingers 
moving down over the top of her slit, rubbing gently 
over her lips, bumping against the protrusion of her 
clit, sliding down over the moist folds of flesh 
sticking out from between her swollen lips, to cup her 
entire cunt softly against my fingers; she moaned 
softly, spreading her legs a little more, and pushing 
her pussy up against my hand slightly. She had continued 
to pull at her nipple as I felt down to her cunt, and 
continued my exploration.

I slid my hand back up along her pussy, allowing my 
middle finger to slip between the lips, dragging it very 
slowly upwards over the smooth, wet, silky flesh it 
found inside; first down into the deeper depression 
around her hole that I had explored last night, then 
sliding up along the increasingly shallow furrow, slick 
with juice, finally bumping up over the mound of her 
clit, at which point she let out a soft, pleading moan, 
and pushed her hips forward slightly again. 

I continued slowly dragging the whole length of my 
finger over her clit until I cleared it at the top of 
her slit, then I reversed my direction, lightly 
repeating the journey I had just made until my hand 
again was completely lightly cupping her pussy. I 
couldn't believe I was actually feeling a girls cunt! I 
asked her if it felt good, and she breathed, "oh, yes!"; 
I asked her if what I was doing would make her come, and 
she said, "don't stop, and you won't have to wait very 
long to find out"

She was now lying back with her eyes closed, completely 
relaxed, breathing heavily, her legs spread, her one 
hand still playing absently with her tit, the other 
lying forgotten resting against my hip; completely 
absorbed in getting masturbated. I was feeling very 
turned on by the relaxed, totally intimate sexuality of 
the situation, the openness with which she was letting 
me explore her most private parts.

My cock, which had been reposing along my thigh where it 
had fallen as it had deflated, again began swelling, 
rising from its resting place, and slowly pointing up 
again toward the ceiling. In the slow gyration over my 
belly that it made as it swelled, it grazed her hand, 
and as she felt it she reached out, feeling for it, and 
grasped it. The sensation of her small hand on my shaft 
accelerated its swelling, quickly raising it to its full 
size sticking up over my belly.

We laid back side by side, our arms crossed, each of us 
with a hand on the other's genitals, slowly masturbating 
each other. It seemed like time had stopped; the only 
sounds in the room for this indeterminable interlude was 
our slow, heavy breathing, the slick, sticky sounds made 
by my fingers in her now dripping slit, and the fleshy, 
kissing sounds my erection made as she slowly jacked me 
off. 

It was heaven. I was watching us do each other, when 
Cathy let her eyes drift partially open, and turned her 
head slightly towards me, and our eyes met; the mutual 
surrender to our lust that we each saw in the other's 
eyes was magnetic, and we held each other's gaze 
steadily as we continued our mutual masturbation.

Her pussy lips were swollen wide open now, and my 
movements had evolved to a period of slow, light rubbing 
around her clit, then a journey down to tickle around 
her hole, drawing more juice from there back to work 
around her clit again. She was guiding me somewhat with 
slight movements of her hips, as I was with her jacking, 
and she began to encourage me to push my finger more 
into her hole on each trip. It wouldn't fit easily, and 
I was afraid of hurting her, but her pushing was 
insistent; so I was getting my middle finger about 
halfway into her, and moving it partially in and out 
several times each pass.

She was panting slightly now, her mouth relaxed open, 
and she seemed to be sinking farther into her sex-
trance. I could see her heart pounding in the throbbing 
of the veins in her neck, and her eyes were rolling back 
slightly under her eyelids. I was also panting; I felt 
so hot; the thrill of making her so sexually aroused and 
her haphazard jacking on my hard-on, were sending me 
over the top. Suddenly she whispered hoarsely, "Leave 
your finger in, and rub me with your thumb at the same 
time." I did so, and almost at once, she closed her eyes 
and started quietly sighing.

I felt her whole body tensing, and suddenly her pussy 
clamped down hard on my penetrating finger. It gripped 
me tightly for a second, then released, tightening and 
releasing spasmodically over and over as she came. 

As the pulsing in her pussy started winding down, I felt 
my own orgasm approaching; as she felt my dick swelling 
to its maximum, she opened her eyes in time to see the 
first throb of my erection as it came. We watched a 
thick stream of semen flow from the head of my dick, 
down over her fingers, then dripping to pool in my 
navel; since I had recently come it didn't shoot, but 
its stream did thicken with each throb of my penis.

We lay there exhausted for several minutes, until Cathy 
quietly said to me, "It never felt so good before, I 
love doing this with you; and watching your big thing 
come makes me so hot!" I told her that it was the same 
with me; I'd never had such a big come as she gave me 
today, and that she was very good at jacking off boys. I 
picked up the already soaked towel from earlier and 
started to wipe myself up, as she asked me playfully if 
we could have another lesson soon...

***

Over the next week Cathy jacked me off daily, sometimes 
twice a day; she often let me do her too, but her joy 
seemed to be to feel my rock-hard erection twitching and 
throbbing involuntarily in her little hands as she did 
me, finally getting to feel it pulse spasmodically as 
the semen forcefully squirted through it as she brought 
me to orgasm. I was incredibly happy that she wanted to 
go further into the sexual exploration we had begun; and 
as much as I enjoyed doing her, the fact that she 
particularly seemed to enjoy making me come was, 
needless to say, great with me.

She took command of out sessions, experimenting with 
every aspect of handjobs. She began posing me in 
different positions to do me, and took great pleasure in 
watching her handiwork from different angles. I went 
along with her inventiveness; never before had I come so 
hard as I did daily in her hands, and I was eager to 
accommodate whatever it would take to increase her 
enjoyment of our forbidden activities.

That week began the next morning after our double 
session in the living room; she suggested we go 
outdoors. She led me into a copse of trees over by the 
back corner of the house, nervously looking around to 
assess our visibility to any neighbors, and when we were 
well within the little woods she asked me, with a 
contrived casualness, "Can you come standing up?"

Excited by her forwardness, I felt a swelling in my 
pants; I told her of course, in fact that's how I 
started jacking off with my friend Greg, in the woods 
behind our little pond after we would swim. We would 
sneak off into the woods, pull our trunks down, and 
watch each other do it, telling each other our various 
erotic fantasies we hoped to enact when we were "older"

She told me to lower my pants enough so that "my thing" 
would be sticking out, and as I undid my belt she stood 
next to me on my right, rubbing shoulders with my arm, 
facing in towards my front, eagerly watching my actions. 
I slid my jeans down a bit, revealing the tent my 
swelling cock was raising in my underwear; and as she 
looked on appraisingly, I slid them down to where my 
jeans were bunched at mid-thigh. As the elastic 
waistband slid over my protruding cock it caught briefly 
on the thick rim of its head, then releasing it to 
spring up bouncing to its full erect length as I pushed 
them down my thighs.

I heard Cathy suck in her breath as she saw it; she 
impulsively reached out her right hand and grasped it 
around the base, squeezing it firmly. I was surprised by 
the strength of her grasp, and felt a hot burning in my 
erection as her pressure powerfully forced blood into 
its head-end, distending it even further. It was amazing 
to see how swollen it became, larger than I had ever 
seen it, the veins curling along its shaft distended 
thickly, the head stretched bright red, shiny and huge, 
its whole shaft distended and deep red as it became 
further engorged with blood.

She exclaimed "Wow!" slowly releasing her pressure, the 
supernormal swelling subsiding as my hard-on shrank 
slightly to its normal erect size. "Did that hurt you? 
Did I squeeze too hard?" 

I told her that it didn't really hurt, but that the 
extra swelling actually felt great. She repeated her 
squeezing, then slowly releasing, several more times, 
and we noticed that after a few cycles the abnormal 
swelling stayed somewhat, my normally big erection red 
and swollen to a new larger size. 

"Look at how big it is!" she muttered in wonder, as she 
started to pull its loose skin up along the shaft to 
bunch below the head with a looser pressure, starting to 
jack me off.

(This new trick she had discovered to stretch me out 
even larger became her standard technique for starting 
to jack me off over the next few weeks. We noticed that 
my normal hard size seemed to be increasing slightly 
under this regimen, so she worked the time up until she 
did me like this for about five minutes at the start of 
each session; and after a few weeks of this, my erection 
was noticeably thicker than before... but I'm getting 
ahead of the story.)

She continued to steadily work on my hard-on, chatting 
occasionally about some aspect of my equipment and the 
way it worked as she would notice it... this was after 
all only our third "date," and it was still all quite 
new to her. 

After a few minutes of her steady handjob, a drop of 
clear fluid appeared on the tip of my dick, quickly 
turning into a slow flow that started oozing down the 
front of its head, suddenly getting caught up by her 
hand jacking me and dragged in a string down my shaft, 
where her slow pumping started spreading it with a 
sticky wet sound all along the shaft in a shiny film. 
"I'm learning this can be messy work!," she purred.

I was incredibly turned on; my cock was burning as it 
was stretched out so full, twitching involuntarily, 
rock-hard; I felt dizzy, and it was becoming hard to 
stay standing under the pull of the intense orgasm that 
was slowly building in me under her excruciating 
handjob. I had encouraged her to jack me very slowly, 
but very steadily, which had an inexorably intense 
effect, making me want to cum but not really pushing me 
over the edge, so the orgasm that was slowly building in 
my balls felt huge.

She asked me if I could spread my legs a bit, standing 
there with my pants bunched at mid thigh; I complied, 
and she reached her left hand around behind me and 
through my open legs, and started fondling my balls from 
behind while she continued to do me with her other hand.

It felt incredible, a complete overload of stimulation; 
I felt that familiar tingling in my arms and legs, 
building and converging on my crotch; my sight grew dim, 
and I felt a huge surge of fluids churning in my groin; 
and as a flash of light went off in my head, my erection 
tightened and I felt a huge surge of cream rushing 
through my shaft, shooting out in a long arc onto the 
leaves two feet in front of me as we watched, followed 
by another and another. 

Cathy was relishing my powerful orgasm, watching with an 
intense lust burning in her eyes as my huge erection 
pulsed spastically in her hands again and again, streams 
of thick semen at first spurting, then flowing in a 
pulsing stream, down to pool on the ground.

I felt weak in the knees, and almost staggered backwards 
as my orgasm slowly subsided; Cathy leaned into me to 
steady me until I again caught my balance. She milked 
the last few drops of cum from hard-on with several 
long, squeezing pulls, and gently released it as it 
settled once again to rest hanging over my balls. "Wow, 
that was a big one!" she said, still breathing hard, as 
she helped me in pulling up my pants.

I turned a bit to face her sideways, and reached and 
slipped my hand experimentally down inside the elastic 
waistband of the tartan skirt she was wearing, watching 
carefully for what her reaction would be; and as my 
fingers entered the waistband of her soft panties and my 
palm slipped down to cup the puffy hillock of her 
genitals, was encouraged to proceed with my exploration 
by her spreading her legs slightly as she stood there, 
to allow me better access between her legs. 

Her eyes were still glazed over in lust as they had 
become since watching her own handiwork push me over the 
edge of orgasm, and she distractedly encouraged me to 
continue my work her between her legs with subtle 
wiggles of her hips while she talked excitedly, asking 
me all about my previous masturbatory experiences with 
my friend.

I had started to slide my fingertips slowly up and down 
the inside of her slit and up over the soft down 
covering her lips and her mound, exploring and lightly 
feeling the now-moist folds of her pussy, while I 
answered her questions about my jack-off buddy. I told 
her his name was Greg and he had been a friend of mine 
as long as I could remember; how in the summer of my 
fourteenth year we had admitted to each other that we 
jacked off, and as we were swimming in the pond down 
back. We went in the woods and did it while we talked to 
each other.

I guess we had gotten turned on at our talk, but that 
first time we had hidden from each other's view behind 
the trees, but it was so hot to talk to a friend while 
we were doing it that we started doing it daily 
together.

Cathy was now standing listening to my story with her 
eyes closed, pushing her hips slightly back and forth 
against my hand as I fingered her. I started to try and 
slip my other hand also down inside the front of her 
skirt, but as soon as she felt my attempt she helped me 
by slipping her thumbs in the side of the waistband and 
sliding her skirt down to her mid thigh, as my pants had 
been while she did me. 

I continued my story through our maneuvering, and she 
never opened her eyes, resuming the slow gyrations of 
her hips once her skirt was down. I left her panties on, 
reaching the fingers of my second hand up through the 
elastic of one of the leg-openings, starting to slowly 
finger the opening of her vagina with my middle finger 
while I continued to softly jack her off with my other 
hand from above.

As I continued doing her, I told her how the second time 
Greg and I had jerked off together we got up the nerve 
to watch each other doing it. We both thought it was 
very hot watching each other, and each had a big cum, at 
almost the same time. It was amazing seeing someone else 
cumming, very hot. 

We started doing it almost every day together, and after 
a few weeks, curiosity led us to feel each others hard-
ons; and one thing leading to another, we took turns 
jacking each other off. We discovered that it felt 
incredible, much better when someone else did it to you 
than when you did it yourself, and started doing each 
other every day, sometimes twice daily.

I now had my finger in her up to its second joint; she 
was very wet, and I was working it in and out of her 
cunt slowly, bending and twisting it to stimulate all 
around inside her, while with my other hand I jacked her 
clit. As I had been telling her my story, she had 
interrupted me a few times urgently, interjecting 
whispered directions about how I should be doing her 
between my sentences, which I had complied with even as 
I kept on talking. I could tell that hearing about my 
sexual explorations, particularly since they were of an 
even more forbidden nature than what we were doing now, 
was adding to the arousal that my masturbating her pussy 
was giving her.

She was now thrusting her hips in time with my motions, 
pushing my finger deep inside her; she was panting, eyes 
closed, her mouth opened and her head falling slightly 
back. She managed to say hoarsely "I'd really love to 
watch you two doing each other..." her voice trailing 
off in her lust-trance, then suddenly almost barking 
"Oh! Oh!" as I felt her cunt clamp down on my finger, 
hard, again and again, as she came. 

She grabbed my hand and pressed it hard into her clit, 
and I kept jacking her as she came, my other finger 
buried in her soaking, violently contracting cunt; she 
gave a little whimper with each orgasmic contraction, 
each slightly diminishing in strength after the first 
three or four, until finally only random, fluttery 
pulses gripped my finger more gently. She urged me with 
her movements to keep doing her until even those small 
after-throbs had ceased, then, her eyes drifting open, a 
lax smile on her lips, she hugged my hand to her belly, 
and looked into my eyes.

I had stopped telling my story when I noticed she had 
started cumming, concentrating on enjoying the feeling 
of her climaxing pussy throbbing in my hands; now we 
stood there, basking in the warm feeling of intimate 
satisfaction that sharing an orgasm brought. I carefully 
slipped my finger out of her pussy, and as we looked 
down, noticed the urgent bulge tenting my pants that the 
excitement of masturbating her had raised; patting it, 
she asked, "Are you ready for some more already?" 

Moving her hand away, I told her that I'd rather wait 
until later, and she agreed, saying she wanted me to 
build up as much cum-juice as I could; she loved 
watching me squirt all over. As she reached to pull up 
her skirt she noticed how soaked my handjob had made her 
panties, and she said "What a mess! Next time we better 
take them all the way off!" Next time; at those words, I 
felt a renewed surge of warmth surging in my groin...

***

The next day she did me twice, first in the morning 
lying on my back on the floor, while she knelt between 
my spread legs, thoroughly exploring my crotch while she 
did me, resulting in another huge cum; then that night 
she came into my room after bedtime and jacked me off 
again standing in front of her, while she sat on the 
edge of my bed. 

She said how much she enjoyed watching my dick getting 
so hot and cumming so close to her face, where she could 
study it thoroughly. My orgasm that time surprised her, 
so the first shot almost hit her square in the mouth 
before she could lean back and pull her face out of the 
line of fire. 

After I was all done she tentatively stuck out her 
tongue, and touched its tip to the spurt of cum on her 
cheek, wondering what it tasted like. Apparently finding 
it not too bad, she wiped the spurt off her cheek with a 
finger and tasted it again, this time more thoroughly; 
looking thoughtful as she explored the sensation of cum 
in her mouth, she then looked up at me with a playful 
smile, and said, "Maybe I'll make you cum with my mouth 
one of these days."

***

That evening she let me do her afterwards, and after I 
made her cum thoroughly while lying back on my bed, I 
withdrew my finger from deep inside her cunt and put it 
in my mouth, sharing the exploration of each other's 
flavor with her; and finding it not bad, I told her I'd 
be glad to try doing her with my mouth whenever she 
liked, and we could see how it was.

Our time together was wonderful; when we weren't making 
each other cum, we were getting to know each other in a 
relaxed, accepting way, renewing our acquaintance more 
and more from our childhood together. She was wonderful; 
cute, intelligent, funny, curious, irreverent, and the 
sex we were sharing gave us a relaxed intimacy that made 
it easy to open to each other. I think I would have 
fallen "in love" with her, except that the fact that she 
was my sister enabled me to love her in a more relaxed, 
less obsessive way than romantic love might allow.

She kept coming back to how she would love to see Greg 
and I masturbating together. I was reluctant to consider 
this, maybe partly out of jealousy at sharing Cathy with 
anyone sexually in any sense, but more because I was 
embarrassed about jacking off another male; doing it had 
been great, at least before I became "involved" with 
Cathy, and talking about it with her was nasty fun, but 
the thought of actually doing it in front of her seemed 
to bother me.

But the next day, after she had done her usual 
preliminary stretching squeezes on my cock and was in 
the home stretch of jacking me off in front of her (she 
was again sitting on my bed with me standing in front of 
her, stroking my erection with both hands; she had her 
blouse off, and was going to make me cum on her 
breasts), noticing I was approaching orgasm.

She suddenly stopped moving her hands and just held my 
throbbing hard-on, saying that she wouldn't finish me 
until I would promise to put on a show for her with 
Greg. I gasped that that wasn't fair, but she stayed 
still, saying, "Promise!" 

Of course I did: she started up again, and almost 
immediately I had a huge cum, squirting thick ropes of 
semen all across her breasts as she watched smiling in 
triumph at both the massive orgasm she brought me to, 
and my succumbing to her strategy.

She held me to it, reminding me later of my promise, so 
that night I reluctantly called Greg and arranged to 
have him cum over the next day. In the midst of a 
mundane conversation I suggested casually that he not 
jack off that night, so he knew what we would be up to. 
Greg didn't know that Cathy was living there, I didn't 
tell him about her; we had conspired that we would 
arrange a way for her to watch us at it in hiding, and 
only I would know we were being watched. 

Later that evening we set the stage for our show, 
putting a chair in the closet of the spare room, and 
checking that she could sit in it with the light off and 
the closet door opened a crack, and get a good view of 
the twin beds that were in that room, while not being 
seen herself. After a few trial runs repositioning the 
chair to just the right angle, me lying on the bed as a 
model, we were content that it would work.

That night and the next morning I grew more and more 
apprehensive about it letting myself be seen by another 
person, a girl, being jacked off by another guy, and 
worse still, doing the same to him; it felt extremely 
embarrassing; yet at the same time strangely exciting. 
Cathy's eagerness to see it lessened, but did not 
remove, my apprehension. 

We decided to hold off on any sex from once we had 
arranged it, so that I could build up a bigger load; 
Cathy seemed fascinated with how much sperm I produced, 
and always wanted to get as much as possible out of me.

As the time approached for Greg to arrive I was in a 
turmoil of conflicting emotions; but when the bell rang 
and Cathy snuck off to her hiding place in the closet, 
as I went to answer the door, a freeing sense of 
inevitability came over me, and I opened the door 
contented, and even excited, at what I knew was to come. 

After we chatted a bit in the kitchen and had a soda, I 
suggested we go up to the spare room and kick back. He 
knew what that meant, and agreed eagerly.

We entered the spare room and locked the door. Even 
though dad was at work, we had the sense that what we 
were doing was so taboo that paranoia was in order. I 
saw the closet door was open a crack, and knew Cathy was 
in position, watching eagerly; that knowledge was 
suddenly extremely exciting to me. I nonchalantly 
maneuvered us so that we were standing in her field of 
view facing the closet, and started to take my pants and 
underwear off, Greg following suit.

We were both already hard with the anticipation of what 
was to come, and I looked at us appraisingly, as I 
imagined Cathy must be doing also. My tall, moderately 
athletic frame was a good match for the thick, swollen 
hard-on projecting prominently from beneath my shirt, 
and Greg's slighter build also went well with his cock, 
it was almost as long as mine, but not nearly so thick, 
its slimness making it look longer than it was by 
proportion.

He said, "Well, who's going to go first?"

I suggested that we do him first; I was eager to get 
that possible humiliation in Cathy's eyes over with as 
soon as possible, and also after I came my doubts about 
the taboos we're violating bother me more, I'd just as 
soon keep up the eagerness my lust generated in me.

He lay down on his back on the bed nearest the closet, 
just a few feet from Cathy's gaze, and I knelt on the 
floor next to the bed, being careful to position myself 
so that Cathy would have the best possible view. 

His erection was fully swollen, straining straight 
upwards; I imagined how we must look to Cathy, me 
kneeling as if in worship at the altar of the sacred 
cock, both of our prominent projecting hard-ons 
reinforcing that image. We were both rock-hard from 
Pavlovian conditioning, the memory of the intense 
orgasms we had learned to consistently give each other 
giving rise in our bodies to the anticipation of another 
toe-curling cum.

He gave his erection a few preparatory strokes; and as I 
reached for it I felt an extra wave of excitement wash 
over me, the secret knowledge that we were being watched 
greatly intensifying the sexy nastiness I always felt 
when Greg and I got together to do each other. The 
swollen head of my hard-on was already dripping cream at 
the thought of the tableau we were presenting, and we 
hadn't even started yet.

I took hold of his cock, and started with a series of 
the swelling squeezes that Cathy had discovered; I told 
him it was a trick I had stumbled on, and, as we 
watched, after getting reassurance that it wasn't 
hurting him to be squeezed so hard, we marveled at the 
increased girth of his cock; especially its head, which 
was now a stretched, shiny purple, under the pressure of 
all the additional blood I was forcing into it. He was 
sighing under his breath at the intense pleasure of 
feeling so stretched out; and after a few minutes of 
this technique his erection was swollen to new heights.

I started jacking him off slowly, pulling the loose skin 
of his shaft in long strokes from its base, up over the 
rim of its head and back down all the way to the light 
shock of hair at its base, telling him to let me know 
before he got too close to cumming, so I could stop and 
let him recover a bit before I started up again, to work 
up a really huge load. He had a stupid smile on his face 
at the prospect, and his eyes were drifting half-closed 
as the familiar sensation of getting jacked off took 
possession of his senses. I imagined Cathy watching his 
large balls riding up and down with each stroke.

I worked on him steadily. After a few minutes a drop of 
cream appeared on the tip of his upright cock, which 
quickly increased and started to trickle down toward the 
rim. Seeing it I paused in my jacking him, and caught 
the thick fluid along the inside of my thumb, smearing 
it all around the rim of his cock-head (theatrically for 
Cathy's benefit), then resumed my slow, steady jacking, 
producing a sticky sound each time my hand hit the now-
slick tip. He half-groaned, half-sighed in pleasure, and 
after only a few more minutes, the shiny film of fluid 
on the head being constantly replenished, he warned me 
that he was about to cum.

I quickly took my hand away from his erection so as not 
to accidentally push him over the edge. His rod stuck 
out stiffly, bouncing strongly with his heartbeat, which 
was pumping fast; he was breathing heavily, and as we 
watched a fresh pulse of cream oozed from out of his 
cock-head. After several seconds he sighed deeply, and 
said he was passing the danger point; I asked him if I 
could start in again, and he nodded.

Now I formed my thumb and first finger into a circle, 
and started to rub fairly quickly lightly up and down 
just over the rim of his cockhead, maybe a quarter-inch 
or so above and below it. I knew this produced an 
intense, burning stimulation that would make him hotter 
and hotter, but wouldn't make him cum; eventually it 
would, but then he would really explode.

As I kept this up he started breathing faster, almost 
panting; he was creaming thickly now, in pulses, which 
my quick, light jacking was whipping into a white froth 
that was building up around the top of his shaft. His 
cock was swollen rock-hard, a bright red from all the 
stimulation it was receiving, and he was sighing under 
his breath on each out-breath. After several more 
minutes of this I could see his balls start to rise as 
he once again approached orgasm, and I again quickly 
took my hand away.

This time his dick went into several irregular spasms of 
a half-orgasm, the stream of thick fluid oozing from its 
tip thickening on each pulse, but I had pulled my hand 
away in time, and he didn't go quite over the top. He 
was panting, and his legs gave several involuntary 
twitches; and after maybe a minute, we decided it was 
safe to start in again.

I was really giving Cathy a show; I had decided to pull 
out all the stops to try to really turn her on watching 
us, and also there was a slight competitive edge; I 
wanted to raise the bar on what her idea of a great 
handjob could be, so I was pouring it on.

I almost brought Greg to orgasm three more times, 
stopping each time just at the brink. I kept up the same 
technique, just tickling the rim of his cock-head. I 
knew it would be getting somewhat numb and irritated, 
making it even harder, but more urgent, for him to cum. 
His body was covered in a shiny film of sweat; he was 
panting, his eyes rolled back; his limbs were twitching 
irregularly, and his erection was purple, and covered in 
frothy cream.

After he passed the danger point the fifth time, I went 
back to doing him with a full stroke over the entire 
length of his shaft; but he was now so wet that I could 
glide my hand smoothly along the surface of his skin. I 
knew this would make him cum soon, but I jacked him 
ultra-slowly to prolong the inevitable a bit longer. He 
groaned as he felt my full hand gliding over his 
throbbing erection, knowing that release was just around 
the corner.

Very suddenly, without any warning, his cock started 
violently pulsing; the first three spastic throbs were 
dry, and very close together; then on the fourth pulse, 
a jet of cum shot forth from his cock like I'd never 
seen; It went up over his head and hit the headboard! It 
was followed by two more super-strong jets that flew 
over his chest, then settled down into a series of more 
normal sized spurts that kept cumming in an ever 
diminishing series, pooling on his belly.

I couldn't believe how long he kept cumming. After maybe 
eleven spurts he couldn't shoot anymore, but his dick 
kept throbbing, a stream of cum pulsing in a diminishing 
flow down over my hand. He had let out a yell on that 
first shot, and moaned "Oh, oh, oh.." with each throb 
throughout the entire incredible explosion.

His erection finally stopped pulsing and slowly began to 
shrink in my hand. Greg's eyes drifted open dazedly, and 
we surveyed the results; his chest was streaked with 
ropes of semen, and there was a large elongated pool of 
cum from his navel to the base of his cock. There was a 
large wet spot on the carpet between my legs where I was 
kneeling under the end of where my still-raging erection 
was hanging, a sticky string of pre-cum trailing from my 
cock-head to the puddle. 

"Wow, man! You out did yourself! That was incredible!" 
he said, starting to wipe himself up with one of the 
towels I had put out for the occasion; then, smiling at 
the sight of my angrily swollen cock, added, "And I can 
see you're ready for payback!"

We traded places, he kneeling by the side of the bed, 
and I laying back, my large erection jutting from my 
midsection eagerly. He of course didn't know about Cathy 
watching from the closet, so although the position he 
took wasn't optimum for her viewing, still I thought it 
would be adequate, and I winked over in her direction as 
Greg grasped my stretched, stiff cock.

The feeling of his hand on my burning cock was heaven; 
although Cathy's small hand felt much nastier on my big 
hard-on, just the feeling of letting go and relaxing 
into the experience of someone else working to make me 
cum was paradise. I suggested he try the stretching 
squeeze I had used on him, and he got the hang of it 
quickly, commenting on how much bigger my already large 
member swelled under the pressure. 

"It's cool that you're bigger than me," he said. "It's a 
turn-on feeling such a big one in my hand and look at it 
now!" he added, in the midst of a particularly strong 
squeeze. 

It felt almost painful, his hard squeezing and the 
forced stretching out of the skin as it swelled under 
unusual pressure, but also felt extremely erotic and 
sensitive to be so swollen.

He started jacking me off slowly, using both hands 
moving in unison, one near the base of my shaft and the 
other above it. I was already very wet from the 
excitement of doing him, and his previous squeezing had 
forced out a stream of cream each time; so my erection 
was shiny with pre-cum before he even started jacking it 
off, and his motions were producing a wet, slurping 
sound from the start, more cream flowing out with each 
stroke.

The knowledge that Cathy was watching me eagerly submit 
to this forbidden sexual indulgence, willingly having my 
huge erection pumped by a male, working to have as large 
an orgasm as possible, all under her surreptitious, 
eager gaze, was incredibly erotic and nasty. I was 
panting uncontrollably within a few minutes; I wanted to 
hold out as long as possible for Cathy's benefit, but my 
cock was already starting to twitch randomly as my 
orgasm was building up, and I could feel that tingling 
feeling starting to possess my extremities, slowly 
building toward my groin.

And then, with an uncontrollable suddenness my hard-on 
slammed into its first orgasmic contraction as lightning 
exploded in my head; I felt a massive volume of cum 
surging through my cock, as if someone had suddenly 
turned a garden hose on full blast; and a thick rope of 
semen jetted out in a high arc over my belly, landing on 
my neck and along my chest, followed by another and 
another, in a seemingly endless succession. I was 
swallowed in ecstasy, completely lost in the warm, 
enveloping universe of orgasm, timelessly suspended in 
the bliss of the massive flow of semen pulsing through 
my cock, over and over again...

Eventually I came to myself and felt my eyes drift open, 
as Greg was releasing my slowly sagging organ. My chest 
and belly, and his hand, were drenched in cum. I reached 
out for a towel, sighing deeply at the release I felt, 
strongly multiplied by the knowledge of its having been 
witnessed by my sister. 

I was excitedly looking forward to talking with her 
later about it, and to find out how she enjoyed the 
spectacle. With that anticipation in mind, and my 
enthusiasm for the encounter with Greg drained along 
with my semen, I allowed his visit to wind down to an 
end as smoothly as I could manage.

***

It turned out to be a while before I got to talk to her 
about what she had witnessed; our dad got home just as 
Greg was leaving, and insisted on taking us out for 
burgers and a movie, trying to manufacture quality 
family time as best he could. So by the time we got home 
and had dispensed with the parental visiting, it was 
time to head up to bed; but on the stairs Cathy said to 
me quietly, "I'll come in later; I can't wait to tell 
you how your 'show' was for me!"

I rushed through my nighttime routine and turned in, 
eagerly anticipating her visit; and a while after I had 
drifted off into my thoughts, I heard my door quietly 
open, and, opening my eyes, saw Cathy come over and 
climb into bed, cuddling next to me, her head on my 
shoulder, her arm reaching across my chest, as I lay 
there on my back. "Are you still awake?" she whispered 
near my ear, and hearing my assent, continued "That was 
incredible this afternoon! I got so hot watching you I 
had to finger myself while I watched, and I came four 
times before you finally did!"

She had reached her hand down the waistband of my pajama 
bottoms while she was talking, and, grasping my rapidly 
swelling cock, started to slowly stroke it as she spoke. 
"It was so hot watching you do each other. For some 
reason it was particularly nasty. I think it was the 
nastiest thing I've ever seen." 

She told me how she had been excited going in to hide in 
the closet, and then when we had come into the room it 
didn't seem like much at first, until when we pulled 
down our pants and she saw our erections, all of a 
sudden she had a incredible flush of eroticism, and she 
had to put her hand in her pants right away; just seeing 
our hard-ons she almost came, and she said she actually 
did just a minute later when she saw me start doing him.

As she was telling me all this she was slowly jerking my 
dick off, and now feeling how big it was getting, 
without interrupting her story she pushed my pajama 
bottoms down my thighs and pulled down the sheets until 
they were clear of my genitals, as she continued to jack 
me off while we talked, so I wouldn't get any cum on my 
sheets.

She told me she was amazed to see how well I did him, 
drawing it out, stopping and starting in again to make 
him last as long, and cum as hard, as possible. She had 
her second orgasm the first time I started back in after 
our first pause; she said it was just so nasty seeing me 
working on him; then her third cum was just when he 
finally exploded; she said she kept cumming and cumming 
as long as he did.

Hearing her excitement as she talked about it, and the 
exquisite sensation of her warm hand slowly pumping my 
dick, was bringing me close to the edge. "I'd never seen 
so much cum! You really made him explode! And then when 
you switched, and he started in on you, I could tell you 
were so hot that you wouldn't last long. I've never seen 
your hard-on so swollen! It was so big!" She said that 
she came again just before I did, and again was amazed 
at how hard he made me cum.

I felt the delicious warmth of the juices pooling in my 
balls as she slowly jacked me off while she was talking, 
then as she described our simultaneous orgasms of that 
afternoon, I started to cum; as she felt my shaft 
throbbing in orgasm she purred "mmmmm..." It wasn't 
nearly as spectacular as what she witnessed that 
afternoon, but the warmth of her body by my side and her 
head on my shoulder, as the semen ran down my shaft and 
over her hand to pool on my belly, made it even better 
than that explosion.

We both drifted off to sleep, and sometime in the night 
she tiptoed quietly back to her room, so that our father 
wouldn't stumble upon our secret.

We spent the next morning doing housework while Dad was 
off at work. We made games of the chores we were doing, 
and there was constant laughter and teasing. Then, after 
a lunch of ham sandwiches, Cathy suddenly looked up at 
me with that playful twinkle in her eyes I had learned 
meant that she was feeling sexy, and said, "Let's go in 
the living room. I have an idea I want to try out."

She led the way into the living room, and, standing 
facing me in front of the sofa, started to undo my belt. 
As she continued to undo my pants, she looked up and 
smiled mysteriously up at me, a knowing twinkle in her 
eyes; I felt my cock swelling in anticipation of 
whatever she had in mind.

After she got my belt undone, the snap of my jeans 
opened, and my zipper down, she sat down on the sofa. 
She then reached forward and guided my pants down my 
thighs, revealing the distended tent my swelling 
erection was making in my briefs, the outline of its 
head clearly visible, pointing downwards at a rakish 
angle. She slipped her fingers under the waistband, and 
slowly pulled my underwear down, revealing the length of 
my hard-on inch by inch, until finally it sprang free, 
bouncing up, pointing right at her face, rock hard.

Her eyes never left it as she encircled its base with 
the thumb and forefinger of her right hand, while 
starting to gently tug on my scrotum with her left. 
Squeezing my shaft tightly, she slowly drew her right 
hand forward along it, watching intently as my cock-head 
swelled under the pressure she was exerting; then 
releasing her squeezing, gliding back to the base, then 
another strong squeezing pull, with even more swelling 
than the first time. 

She did me like that for maybe fifteen pulls, then 
removed her hand, admiring her handiwork; the head of my 
erection, bobbing a few inches in front of her face, was 
now inflated to a smooth, shiny bulb, a deep angry red 
from the blood engorging it, big as a small plum, as 
large as I had ever seen it.

Cathy looked up at me with a twinkle in her eye and said 
enigmatically, "Well, it looks like you're ready"; and 
then, steadying its bouncing length with her thumb and 
fingers at its base, she leaned forward, parting her 
lips, and slipped the head of my dick into her mouth.

Or rather, tried to. She got about two-thirds of it into 
her open mouth and tried to get her lips over its rim, 
but her mouth wouldn't open far enough. After trying for 
a few seconds, she withdrew it from her lips, giving it 
a sucking kiss as it emerged, thoughtful saying "wow!"; 
and did several mouth exercises, stretching her mouth 
around as far as she could while opening and closing it. 

She then worked up some saliva in her closed mouth for a 
moment and licked her lips several times, all the while 
eyeing her challenge; then leaning forward again, she 
took it between her lips and, sucking, succeeded in 
fitting its rim in her widely stretched mouth, her lips 
coming to rest on the shaft just beyond the rim.

My god, the way that felt! I almost came right then; the 
warm, wet silky haven of her mouth, coupled with the 
extremely nasty sight of my big erection protruding from 
her face was intensely erotic; but I managed to hold on, 
accustoming myself somewhat to the sensations while 
Cathy got used to the punishing stretching my dick was 
inflicting on her mouth. Seeing it up against her face, 
watching her petite mouth grappling with trying to fit 
around it, really showed me how big my hard-on was, of 
course I took its size for granted as normal; but seeing 
it in this context, it looked huge and out of proportion 
to her face.

She moved her head back, slowly squeezing my cock-head 
out of her mouth in another wet kiss, again stretched 
her lips around a bit, and then again took me into her 
mouth, getting her lips well onto the shaft this time. 
She started trying to move her head back and forth a 
bit, pulling her lips back over the rim of my head but 
still keeping the tip in her mouth, then sliding her 
lips back over the rim to the shaft, as if I was fucking 
her mouth, at least with the first quarter of my cock.

I can't describe how good this felt; I was holding back 
my orgasm as hard as I could, but still felt like I was 
about to lose it. My erection was swollen rock-hard 
under Cathy's stimulation, and watching it sliding in 
and out between her lips added to my excitement 
tremendously.

She pulled it out of her mouth again, trailing a string 
of cream from its tip to her lips, and started 
temporarily jacking it with her hand, while she asked me 
how what she was doing felt, if it was okay. I told her 
that it was incredible, I couldn't believe how good it 
felt, how I was already on the edge of cumming, trying 
to hold myself back; but I was worried about cumming in 
her mouth. She said "No, I want you to; don't worry!" 
She told me not to hold back, since she wasn't used to 
how big I was in her mouth, and she was having to 
stretch her mouth a lot.

She licked her lips again and sucked me back into her 
mouth, getting it in past the head again, and resumed 
pumping it in and out over the rim. It felt incredible; 
I watched her pumping me in and out of her mouth, my 
shaft shining with her saliva, when after only a minute 
or so I felt the cum pooling in my balls, and whispered 
urgently to Cathy that I was about to cum. She responded 
by grabbing both my ass-cheeks with her hands, as if to 
hold me in her mouth, while she continued pumping her 
mouth on my dick; but she pulled me out slightly and 
decreased the length of her sucking strokes, as if 
readying herself for the flood of semen that she 
anticipated soon to be flooding her mouth.

I felt the familiar dizziness descending on me as my 
limbs grew paralyzed, and my knees grew weak; the 
familiar electric tingling spreading from my extremities 
in toward my crotch, as the fluids began to surge in my 
groin; and as I felt my hard-on swelling further, a 
flash of light went off in my head, and my erection 
began to pulse spasmodically as a heavy flow of semen 
surged down its shaft.

The first spurt of cum caught Cathy by surprise, and she 
gagged, pulling her mouth back so that she was just 
sucking on the tip of my hard-on as if it was a huge 
straw. She fought to keep control and continue trying to 
suck as spurt after spurt of my cum filled her mouth, 
but it was all she could do to try to keep her mouth on 
my dick, and semen was squirting out around her lips and 
all over her face as she gasped for air. 

On top of her inexperience, the huge size of the orgasm 
her wonderful blowjob had wrung from my dick made coping 
with the situation even harder for her; it felt so good 
to be shooting so much cum through my cock into her 
mouth; She had me so turned on, the stream of semen was 
so thick that I felt as if I was peeing. She sputtered 
trying to swallow and clear her mouth as my orgasm 
slowly subsided; she had pulled my dick out of her 
mouth, and its last few spasms sent cum dripping in an 
unsteady stream from its tip down onto the floor.

Cathy was choking, coughing, and laughing all at once; 
apparently some had gone up her nose, and she sputtered 
as she regained control of herself. As she settled down, 
she let go of my cock that she had been holding all this 
while, and, still laughing, looked up at me, wiping at 
her lips that were smeared with cum, and exclaimed, 
"Wow! That was intense! I guess I never realized just 
how hard you came! I thought I was drowning!" She 
continued to clean up, saying that next time she'd know 
what to expect.

Standing there in front of her, I felt completely 
drained, satisfied, in a glow of wellbeing from the 
enormous cum she had given me, and as I heard the words 
"next time," a nasty twinge welled up through me in 
anticipation...

***

We spent the afternoon in completely non-sexual 
pursuits. Cathy didn't mention our experiment with oral 
sex, and in fact behaved as if nothing of the kind had 
ever taken place, and I didn't bring it up either, for 
fear of jinxing any future developments in that area; so 
we carried on as a "normal" brother and sister should. 
After an uneventful evening we turned in. 

I was feeling depressed, fearing that the whole 
experience of the mouthful of cum had been too much for 
her, and she might be turned off to any more oral play, 
or worse yet, turned off too our sex-play altogether! My 
negative fantasies were running wild, fed by the lack of 
communication with Cathy.

I was just drifting off to sleep, when I was startled 
out of my reverie by the sound of my door opening, and 
someone coming into the room. "Are you awake?," I heard 
Cathy whisper. As I mumbled assent I heard her closing 
the door, noticed the distinct sound of the lock being 
turned, and felt her sit on the bed next to where I was 
lying. I reached and turned on my bedside light, which 
revealed Cathy in her nightgown, a warm smile on her 
face, and a twinkle in her eyes.

"That was really amazing, this afternoon, don't you 
think?" As I heard these words my gloom of the evening 
lifted as if it had never been there. She was reaching 
to fold back my covers, turning them down to my mid-
thigh, as she was saying "You really see how hard 
someone cums when they do it in your mouth! But now that 
I know what it's like, I think I'll be able to handle it 
next time."

She was feeling up the bulge of my crotch through my 
pajamas; of course, I started getting hard right away, 
and she pulled the waistband of my pajama bottoms down 
to just below my balls, revealing my swollen erection 
pointing due north. She reached and started to 
absentmindedly fondle my balls as she studied the 
fullness of my hard-on bobbing there, thinking out loud, 
"It really made my mouth tired holding it open so far, 
you're so big! Maybe I'll need to do some exercises or 
something... but for now I think I'll just jack you off, 
and when you're just cumming I'll hold my mouth over 
your hole, and get to try again to see if I can handle 
it this time, without having to strain my mouth. So tell 
me when you're about to cum." She looked up at me, 
smiling mischievously, and added "That is, if you don't 
mind."

She grasped the base of my shaft and began slowly 
rubbing it, as I answered her, telling her that her 
letting me cum in her mouth was the hottest thing that 
I'd ever done, and that was why I came so hard, of 
course she could do that with me whenever she wanted! 
She laughed, continuing to jack me off, telling me how 
she had thought she had been ready for my orgasm, but 
how the cum squirted into the back of her mouth so hard 
that she had gagged, then started coughing, and got some 
up her nose, until she was afraid she was going to 
drown!

She said that this time she was going to just hold the 
very tip of my cockhead in her mouth and hold her mouth 
more closed, so my shots would hit her tongue, and not 
the back of her throat, so she wouldn't choke, and could 
just try to drink it all as I squirted.

I was intensely excited to hear what she had in mind, 
almost cumming at the thought; the sensation of her soft 
hand milking my swollen rod was already working its 
magic, and her description was sending me over the top; 
so I tried to relax, so I wouldn't cum right then. I was 
getting pretty wet, and her hand was starting to make 
slurping sounds as she slid the loose skin of my 
erection along its shaft.

She added, "And I'll make you a deal! You have to do me 
with your mouth afterward, if you want me to go on! 
okay?" Of course I was a captive audience, I would have 
agreed to anything at that point, so I panted my 
agreement; but the thought of her cumming in my mouth 
only added to my excitement.

She continued to do me in silence, focusing intently on 
her work; she was adding extra strokes and caresses to 
my rod to drive me over the top. I was so wet now that 
her hands were gliding over my genitals smoothly on a 
film of cream, that was being steadily replenished, 
flowing down in a steady stream to be spread by her 
hands.

I began to feel that tingling all over my body 
announcing my impending orgasm, so I warned Cathy that I 
was going to cum. She leaned over and clamped her lips 
to the tip of my cockhead in a sucking kiss, and 
continued her inspired jacking. I felt the cum pooling 
in my balls, that delicious dizziness and warmth wash 
over my whole body, my hard-on swelling to granite-
hardness, and then suddenly, with a flash of light 
inside my head, felt the thick fluid surging down my 
shaft in a massive flow.

As the first pulse of cum hit her mouth she almost 
gagged, as the thick stream of semen jetted between her 
lips, filling her mouth; but she started swallowing, 
sucking powerfully, drinking down the rich cocktail that 
she was being force-fed, as if she was drinking from a 
huge straw. Each squirt was so voluminous that I could 
actually feel the streams of liquid as they surged 
through the channel in my shaft and out the tip into her 
waiting mouth. She found the rhythm of the pulses of my 
cumming erection, sucking strongly with each jet, then 
swallowing between them.

I was completely overcome with pleasure; the nastiness 
of her obsession with drinking all my cum was giving me 
a huge orgasm, and I kept squirting jet after huge jet 
of hot cum into her mouth. She was managing to swallow 
all of it this time, only a few small trickles escaping 
her lips and running down her chin.

Slowly my orgasm subsided, but Cathy kept sucking my 
cockhead until every trace of its orgasmic throbbing had 
completely stopped, and my red, shiny-wet hard-on 
started slowly softening. Letting it pull away from her 
lips as it softened, she then looked up at me flushed 
and smiling, a look of triumph on her face. "Wow, you 
came a lot! I feel like I just drank a milkshake! 
...But, this time, I handled it!" She asked me if it 
felt good; I told her how incredible it was, that again 
she had given me one of the biggest orgasms I'd ever 
had; I told her how hot it was to see her drinking my 
cum, that it made me keep shooting and shooting!

She wiped at the cum on her chin, telling me how once 
she got the hang of how big each jet was, and found the 
rhythm of the throbs, it wasn't hard to keep on top of 
it, and not let her mouth fill up; and that her trick of 
using her tongue to stop the jets from hitting the back 
of her throat seemed to work well; the only problem was 
that the first spurt came without warning, and was the 
hardest, so she'd have to learn to anticipate it.

As she spoke Cathy was lying back and pulling up her 
nightgown, exposing her cute thighs and belly, gift 
wrapped in skimpy white-lace bikini panties; I knelt on 
the floor between her spread legs hanging off the side 
of the bed, as she slid the panties down her petite legs 
and off her feet. I warned her that I really wasn't sure 
what to do; she replied, "I don't know, just try 
anything, and we'll see what works. I'm so hot, I'm sure 
whatever you try will work fine, as long as you're 
touching me there."

I leaned forward tentatively, unsure how to start. I 
didn't mind trying it, especially after Cathy's 
prodigious performances with her mouth, but this was new 
territory for me, and I didn't know what to expect.

Her legs were spread widely, and at their softly hollow 
crotch the projecting, rounded mound of her pussy looked 
reddish and swollen beneath its crown of downy curls, a 
heavy film of shiny moisture coating the folds of her 
inner lips and clit hood, which were projecting 
prominently out from her slightly spread, very puffy 
outer lips; she appeared to be well aroused, no doubt 
from having just brought me to such a powerful orgasm in 
her mouth. I leaned forward, and tentatively gave her 
pussy lips a kiss over her swollen clit; Cathy's body 
jumped involuntarily at the first contact of my mouth 
with her sensitive organs, and she gasped a quick 
breath.

The feeling of her hot genitals against my lips was 
exquisite. Encouraged by the pleasant quality of the 
sensations I felt and her obvious excitement, I licked 
greedily, flattening my tongue against the bottom of her 
gash where a thick rivulet of her fluids was building. 
Sticking out my tongue as far as I could as I drew it up 
along her slit, it immediately went to its full 
extension into the now dripping wet cavern of her cunt, 
then strongly caressed the textured, stiff smooth flesh 
lying deep between her lips above her hole; as I moved 
upward, my tongue reached less and less deeply between 
her lips, until it reached the swollen folds of flesh at 
the top projecting well out from her cunt-lips 
altogether, concealing the prize of her clit.

As I hit her clit, she moaned and tightened her calves 
and the small of her back, thrusting her cunt forward to 
meet my mouth greedily. Holding my tongue spread wide, I 
gave her clit a thorough, wet sloppy licking, then began 
to lick downward, towards the bottom of her slit again 
where I had started.

Her cunt was soaked, both from the fluids that were 
being copiously produced by her arousal, and my drooling 
open mouth; my chin and cheeks felt soaked.

I continued slowly licking up and down her slit, 
sticking my tongue into her as far as I could each pass, 
and licking sloppily around her clit when I arrived 
there. It seemed to be working; her legs were tightened, 
resting on the tips of her toes, quivering with tension; 
she was panting, and making spasmodic shivering pushes 
forward with her hips as I licked her.

The next time I reached it, I started sucking hard on 
her clit. She cried out "Yes!," then managed to gasp, 
"Put your fingers in me!"; I slid two fingers into the 
now cavernous hollow of her open cunt as I continued to 
suck on her clit; suddenly, with no warning, her pussy 
clamped hard on my hand, then released it, and grabbing 
it again and again spastically, as she came, hard.

As soon as she started cumming Cathy began an eerie 
high-pitched whining that I had never heard before, and 
it continued as she continued to cum, and cum. I'd never 
felt her cum like that; her cunt clamped down on my 
fingers with each pulse of her orgasm; hard, again and 
again and again, maybe twenty times, until her spasms 
started weakening, finally diminishing into occasional 
throbs.

When at last it was over, she lay back unmoving, 
completely spent. Her entire crotch and rear end was 
completely soaked, as was my face; that and a wet spot 
on the carpet beneath her crotch made me think that 
maybe she actually squirted some fluid when she came 
this time, like a man does.

I lay with my cheek against her belly as she recovered, 
and we both wallowed in the post-orgasmic glow. "Oh my 
god!" she was finally able to whisper, "That was 
INCREDIBLE! If you'll do that again I'll do ANYTHING you 
want! Jesus, that was amazing... Tomorrow I'll do you 
with my mouth all the way if you'll do that again!"

I felt a hot glow of additional pleasure as I looked 
forward to what tomorrow might bring...

***

The next afternoon, Cathy and I were sitting around the 
kitchen table reading magazines. She seemed to be amused 
at something; she kept smiling to herself, then glancing 
surreptitiously up at me and back to her magazine, 
smiling again.

The third time she did this, my curiosity piqued, I 
asked, "What?" She blushed deeply, and continued smiling 
to herself as she read, before replying, still looking 
at the magazine, "I was just thinking how... thirsty... 
I was getting... I was just wondering if you're ready to 
let me have a... drink... yet."

At my smiling response we got up, and she led me into 
the living room, pausing at the hall linen closet to 
grab a towel, then she sat on the sofa, positioning me 
to stand in front of her. She spread the towel out on 
the floor right beneath where she was sitting. As she 
opened it, she said "I don't know if you noticed, but we 
made quite a wet spot on your carpet last night- if we 
keep on doing that, Dad'll notice sooner or later." 

She paused and looked up at me as if assessing me, then 
looked back down, thinking, then continued. 

"Sometimes with Liz when she would do me and I would 
have a really big cum, it would get really wet, it 
seemed like the whole bed would be soaked... I used to 
be embarrassed about it, because it never happened with 
her... I thought maybe there was something wrong with 
me-but it only happens when it's really good, so that 
can't be bad, can it? But anyway we better take 
precautions... because YOU'RE going to do ME with your 
mouth again after I'm done with you, and if it's as good 
as last night again, there might be a flood!"

As she spoke the last sentence she undid my belt, and 
started sliding my pants down. Of course I was already 
fully erect, my hard-on straining against my underwear. 
Cathy deftly slid that down, allowing my swollen 
erection to spring free, hanging inches in front of her 
face. She paused and looked up at me, and, taking 
advantage of my readiness, asked "So, do we have a deal? 
Will you do me with your mouth again?"

At my eager assent she paused, contemplating my erection 
for an additional moment as if admiring it, then did her 
usual preparatory swelling strokes, leaving it an angry 
red, its skin stretched shiny-tight.

She sat up on the edge of the sofa with her legs spread, 
and guided me to be standing between them, my cock 
brushing her soft cheek. She took it with the fingertips 
of her right hand at its base, and guided it towards her 
mouth. 

"It's to big to suck in my mouth, I thought I'd try 
something else and see if it does the trick." She then 
pointed it up, leaned forward, and slowly licked it 
along the underside from its base up to the head, and 
over the tip, as if it was a big lollypop. She followed 
this long lick with pulling the skin up along its shaft 
and back down, followed by another long lick.

She continued licking up my erection, being careful to 
cover its sides and top, as well as its bottom, and 
jacking it a single stroke between licks. It was heaven; 
I had never felt a more stimulating sensation on my 
cock, an indescribably mix of softness, wetness, 
tickling, slightly raspy rubbing... 

I quickly started oozing cream, which added to the 
saliva her wet mouth was leaving coating my shaft, so 
that her hand started sliding as she rubbed it up and 
down my erection, with a wet, sticky sound. After each 
lick an arc of thick cum-juice trailed from the tip of 
my rod to her tongue, sometimes trailing down to catch 
on her chin when she leaned forward again, and sometimes 
it broke, dripping down to the waiting towel on the 
floor.

After maybe five or ten minutes of this I was about to 
cum; I warned Cathy, but instead of taking the tip of my 
cock between her lips to drink my cum like she did 
yesterday, she immediately stopped her motions, let go 
of my erection, and leaned back on the sofa. She then 
reached a hand down between her spread legs, where her 
short skirt did nothing to conceal her pantieless 
genitals, now puffy , pink, and spread with her arousal, 
and started absently lightly tickling her clit, as she 
admired the results of her handiwork.

I was standing in front of her in my t-shirt, my pants 
and underwear in a bundle around my feet; my nearly-
cumming hard-on was huge, swollen to its maximum by her 
inspired mouth, and hand-work, an angry red; its head 
shone from its skin being stretched so tight in arousal, 
and from being coated with our combined fluids, as 
indeed its whole thick shaft was down to my balls; a 
thick ribbon of cream dangled from its tip down to the 
floor, quivering slightly as my erection bounced with my 
pulse, and from the larger bounce of the occasional 
uncontrollable throb that surged through it, betraying 
its closeness to orgasm.

To be so close to cumming and then suddenly have all 
stimulation removed left me hanging in a big way. My 
pulse was pounding, and I was panting; my rock-hard 
erection hanging heavily in front of me felt red-hot as 
it twitched spasmodically, right on the edge of 
cumming... I could feel the juices churning in my balls 
and groin as they surged, pooling, almost ready to 
ejaculate.

The nastiness of the spectacle we were presenting, me 
standing shamelessly with my huge near-cumming hard-on 
right in front of Cathy, who was still tickling her 
pussy and enjoying her view of my condition with a 
lustful gleam in her eyes, was itself almost enough to 
send me over the top, and release the thick flow of 
pent-up juices that had been building in me to spurt out 
all over Cathy and onto the towel she had put there; but 
gradually, in the absence of any stimulation on my eager 
prick, the impending orgasm slowly subsided. I felt very 
hot and aroused, but in no danger of cumming; and Cathy, 
evidently noticing my orgasm receding, asked, "Are you 
ready for some more?"

Without waiting for an answer, she leaned forward so 
that she was again sitting on the edge of the sofa, and 
resumed the licking/jacking she had been doing on my 
cock, while continuing to do herself. She kept it up 
this time for only a few minutes before I again warned 
her that I was about to cum; and she again laid back on 
the sofa and watched my erection throbbing, continuing 
to finger herself, while my orgasm again receded.

She was looking flushed and breathing hard, as of course 
I was, both from the excitement of doing me and her own 
masturbation, and only about twenty seconds after she 
sat back she breathed," Kneel down and put your finger 
in me; I'm going to cum." She was lying back, her legs 
spread wide apart, her eyes closed to slits as she 
picked up the pace of her hand on her clit; I quickly 
knelt and put my right index finger in her pussy; and 
just as I was inserting it, she sighed deeply, and I 
felt the walls of her pussy clamp down on my finger, 
over and over, as she came.

She continued to lie there with her eyes closed, 
recovering for a few moments; then slowly opened them 
and looked at me, sighed deeply, and asked again, "Are 
you ready for some more now?" I stood up, trailing a 
thick ribbon of cream from the tip of my hard-on to the 
towel below; she leaned forward, and touched her finger 
to the head of my cock, catching the semen-string, and 
guided it to the towel, then started in on me again. I 
noticed she resumed doing herself again, too.

I had barely recovered my equilibrium, since feeling her 
cum had been incredibly arousing; I had almost came 
myself in sympathy, and only recovered myself slightly 
while she had rested; so when she started in again I was 
close to orgasm almost immediately. I warned her, and 
she stopped her licking, but kept her hand on my cock, 
and gave it a long, slow, powerful stroke along its full 
length. She watched intently as her action squeezed out 
a large bead of cream, which immediately began dripping 
towards the floor. "It makes me so hot to see you so big 
and hard and turned on," she purred, then, still holding 
my hard-on around its middle, she suddenly closed her 
eyes and said urgently, "Oh!... I'm cumming again"

I watched her body quiver as she again succumbed to 
orgasm, rubbing her pussy feverishly, gradually slowing 
as she finished. She opened her eyes and looked at my 
erection, and without preamble resumed licking it, 
faster this time, without any jacking movements. 

She licked it hard and fast along its full length with a 
little extra swirl around its head, over and over, 
steadying it with her free hand, her other continuing to 
jack herself off. I could feel an orgasm building again, 
but this time when I told her, she just sped up her 
movements.

My hard-on was burning, hard as concrete, swollen deep 
red, as my balls tightened up and I crossed the point of 
no return into orgasm. I felt my knees grow weak as that 
familiar paralysis swept through my body, my cock 
stiffened even more, and then started to bounce as my 
whole groin tightened over and over, sending thick 
stream after thick stream of cum spurted through my 
urethra. 

It felt so incredibly good to have that huge volume of 
fluid jetting uncontrollably through my erection as I 
came. When she felt me start to cum, Cathy held her 
tongue tightly under my cockhead and held her mouth wide 
opened, and jet after jet of cum shot into her mouth. 
Her mouth was about a half-inch from the tip of my dick, 
so I could see each spurt shooting into her mouth. 

She sputtered a little; but now that she knew what to 
expect from her previous experiments, she handled it 
well, managing to swallow it all, only a few trickles 
running down her chin. Again she had made me cum so hard 
I almost blacked out, and I had to struggle to remain 
standing through it all.

As the jets of semen gradually diminished to a pulsing 
trickle she clamped her mouth onto my cockhead and 
sucked the last bit of my ejaculate into her mouth, 
until my orgasm subsided entirely. I sighed loudly, 
completely overcome by the intensity of the pleasure 
Cathy had wrung from me. As my eyes opened I noticed 
from the trembling of her torso that she was cumming yet 
again; this time when it subsided she removed her hand 
from between her legs and lay back, obviously very 
satisfied. I collapsed onto the sofa next to her.

We both leaned back in a post-orgasmic stupor for a few 
minutes; then Cathy pulled the hem of her short skirt 
up, displaying her very wet, swollen pussy, and said 
"Okay, now it's your turn... and judging from how much 
of a "drink" you fed me, you owe me big!" A bit 
surprised, I asked her if she could cum again after 
already cumming so many times, she replied, "Oh, those 
were little ones. I can do that over and over; but I can 
feel one of my big ones close... and all I need is a 
little help to get to it!"

I knelt between her legs as I had yesterday, but this 
time I stuck my tongue straight out as far as I could 
and buried it in her pussy hole up to my cheeks. I 
wiggled my tongue as strongly as I could inside the 
mouth of her pussy, moving my whole face side to side 
slightly, nuzzling my lips and cheeks inside her pussy-
lips. She said "Oh!" and spread her legs as widely as 
she could, pushing her cunt up into my face.

Then I ran my tongue up from her pussy along the inside 
of her slit up to her clit, licking it back and forth 
for a few seconds, then back down to her pussy, again 
sticking it in as far as I could. She was very wet from 
her previous orgasms and her lips were swollen wide 
apart, so I felt as if I could bury my whole face inside 
her. She kept pushing her pelvis up against me as I 
licked her, thrusting it to aid my efforts.

I continued like this for several minutes, encouraged by 
her moans and the soft, surprised-sounding "Oh!"s that 
escaped her lips from time to time; she was teaching me 
involuntarily what she liked by how she responded, and I 
was careful to do what she seemed to like the best. She 
was now pushing her crotch back and forth unconsciously 
in a fucking motion as she became lost in her arousal.

As I licked and sucked on various parts of her cunt 
following her responses to my actions she became more 
vocal, now moaning "Oh!" on each breath out, panting as 
she inhaled to moan again; her thrusting was getting 
more and more insistent; and intuitively as I imagined 
she was approaching orgasm I slipped two fingers inside 
her pussy while I licked her clit in long, firm strokes, 
fucking her with my hand while I licked her; and 
finally, as her "Ohs!" reached a crescendo, she came.

The inside of her pussy had expanded cavernously while I 
fingered her, until it suddenly contracted spastically, 
gripping my fingers, hard. At the same time I felt her 
throw her head back and a throaty, animal-like sound I 
had never heard began deep in her throat; her pussy 
opened again, but not nearly as much as before, and 
again suddenly clamped down hard on my hand, and this 
repeated, over and over, as she came, hard.

She was getting very wet, too; I couldn't tell where it 
was coming from, but on each of the first few hard 
contractions a fragrant fluid was being forced out of 
her, just as she had mentioned to me before; it was like 
she was cumming somehow like a man cums.

Her whole pelvis was quivering, her legs tightened 
forcefully, and I could feel each contraction of her 
orgasm grip her entire body. She continued her strange 
moan, punctuating it each time her body throbbed and I 
felt her cunt clamping down on my hand. The fluids of 
her orgasm ran down the inside of her thighs and her 
ass, dripping down onto the waiting towel. She would 
have soaked the sofa, but her thrusting had left her 
crotch hanging well out away from the edge.

I can't tell how long she came; it was a timeless event 
that seemed to never end. We were both transported into 
the most primeval sexual ritual imaginable, our whole 
beings single-mindedly devoted to giving and receiving 
pleasure on the most primitive, basic, instinctual 
level.

When finally her orgasm began to wane, I felt as if I 
was emerging from a trance. Her pussy was throbbing 
around my hand now weakly and irregularly, then only 
occasional throbs washed through it, punctuated by 
deliberate squeezes as Cathy tried to maximize and 
prolong her ecstasy. She had stopped her throaty crying, 
and finally heaved a deep sigh as I felt her body relax 
back completely, totally satisfied and drained by 
cumming so thoroughly.

I left my fingers buried inside her, and rested my head 
on her soaked pubic hair while we recovered ourselves. I 
felt limp; drained; liberated; I felt as if my life was 
whole and complete.

***

The next week or so we spent making each other cum with 
our mouths, sometimes twice a day. Cathy took regularly 
now to doing herself while she did me, so she was 
cumming maybe six to ten times a day, I could easily 
muster twice, and could have done more, but it was much 
better when I waited a while between times to build up 
more fluids.

It was the high point of our day; we didn't talk about 
it between times, but Cathy seemed to come up with new 
ideas about how to do it almost every day, so she must 
have been thinking about it. One time she had me kneel 
over her chest while she lay on her back, my legs spread 
over her, my cockhead just at her mouth. She used a 
pillow to put her head at a good angle, but even so that 
time when I came it squirted all over her face and hair. 
She managed to swallow some of it but the angle was all 
wrong. I think that time she happened to be cumming just 
when my orgasm began, so that may have distracted her, 
too.

Another time she had us lie down next to each other, but 
backwards, so that her pussy was near my mouth and my 
erection was near hers, and we tried doing each other at 
the same time like that. It was good; we came almost at 
the same time, but we agreed we preferred taking turns, 
it was more fun to concentrate wholeheartedly on getting 
done, or doing it. We could be a lot more controlled 
that way, making each other last as long as we could, to 
build up the biggest orgasm possible.

One night she knelt straddling my face, with her pussy 
right on my mouth. That was great; I made her cum three 
times, the third time one of her drenching supercums. It 
was amazing; she was panting, and thrusting her pelvis 
slightly into my face as I sucked on her inner cunt-
lips, hard, while licking her clit fast; all of a sudden 
my mouth was full of her cum, and it was running down my 
cheeks! That time I was the one trying to swallow 
several mouthfuls; I could appreciate how it was for 
Cathy when I came!

Three times that week she had one of her big ones. We 
knew to always use a towel now in case she did, and it's 
a good thing, because when we needed it we really needed 
it. She could cum a much bigger load of juices than I 
could when it was right, and wherever we were positioned 
would've gotten soaked, unless we took the precautions 
we did. She told me that she was having them much more 
often than she ever had before; she had apparently only 
had a few when she was being done by her friend Liz, to 
the surprise of both of them, but it turned out that the 
combination of my tongue on her clit while I finger-
fucked her was the magic combination. She said when she 
came like that it was the best, most satisfying feeling 
she had ever had; she felt completely purged, drained, 
fulfilled in the most basic way imaginable.

After we discovered that position, we usually did it 
with her kneeling over me when it was her turn; she said 
that was the best for her. It was very sexy for me too; 
even when she didn't have one of her big ones, my face 
would be drenched by the time we were done. I loved the 
taste of her, and having her all over me was ecstasy.

She regularly came into my bed after we had turned in, 
and we either used our mouths again, or she jacked me 
off, invariably drinking my cum at the end. I usually 
sucked on her, since she liked it so much.

We were living a double life; around our father, and 
during most of the day, we lived as brother and sister, 
joking around, teasing, and having fun in the most 
normal way, but when we had one of our sex sessions, we 
transformed into orgasm addicts, working intently and 
single-mindedly to make each other cum as long, and as 
hard, as possible. Neither of us, at least I know I 
hadn't, had ever experienced pleasure so intense and 
satisfying as we had stumbled into giving each other.

We were addicted, consumed by the lust for more and more 
intense orgasms. I know now that the similar intensity 
of our appetites was probably due to our heritage; I've 
learned since that not all women are as sexually driven 
as Cathy was, and I matched her perfectly. I think we 
got it from our Mother; I gather from things Cathy said 
about her that she must have been strongly driven in 
that area, as we seemed to be.

One afternoon, we were lying on my bed, recuperating 
from a particularly nice session, Cathy absentmindedly 
fondling my semi-hard dick, when she said, "I've been 
thinking, it might be fun to invite your friend Greg 
over to join in on one of our sessions... I think it 
might be really good be done by two people at once, we 
could each take turns getting done by the other two... 
Do you think he might go for it?"

I had mixed feelings about her suggestion; on the one 
hand I was jealous at the thought of sharing Cathy with 
anyone else, and apprehensive about mixing my taboo 
same-sex experiments with my recently-found heterosexual 
bliss; but on the other, the thought of an additional 
participant on our lewd activities was exciting, and I 
had had some excellent orgasms with Greg, too.

We discussed it and agreed that the best strategy was to 
have Greg over and spring it on him, rather than let him 
know in advance what we were thinking of, in case he got 
cold feet. He didn't know that my sister was living here 
or certainly what we were up to, and we thought it might 
be a lot for him to swallow (no pun intended!). So I 
called him and invited him to come over the following 
afternoon, implying that we would jack each other off 
like usual; my father would be at work, so we could 
pursue our intentions without fear of discovery.

***

The next day the doorbell rang at one o'clock, and we 
set our plan in motion. We had agreed that Cathy would 
hide until I got "started" with Greg, then she would 
come in and join in, when he would be less inclined to 
resist. So she went up to her room and closed the door, 
while I greeted Greg as I usually did, eventually 
leading him to my room.

I closed the door, being careful not to latch it fully 
so Cathy could come in soundlessly, and started to take 
my pants off. Greg followed suit, and soon we were both 
standing there in our t-shirts, with our hard-ons 
projecting out in front of us. I was particularly 
excited at the anticipation of what was to come, and my 
erection reflected my excitement; Greg noticed it, and 
said, "Wow! Looks like you're really ready! You're not 
usually that big until you're about to cum!"

I reminded him about the "stretching" stroke that I had 
said I'd discovered; he told me he'd remembered it & 
used it every day. I turned to be facing him, and 
reached my right hand out, encircled the base of his 
shaft with my thumb and forefinger, and gave it the 
slow, forceful squeezing stroke. He softly sighed 
"Ah..." in familiar anticipation as my hand touched his 
genitals.

We both watched his cockhead swell menacingly as I put 
pressure on it; I repeated the stroke a few dozen more 
times, and stopped to admire my handiwork. His erection 
had swelled considerably, and was now a deep red color, 
its skin stretched shiny-tight. "It looks like you're 
ready now," I said, and indicated that he should lie on 
the bed, and we'd do him first.

He lay down on his back and I grasped his hard-on, and 
started jacking it slowly. Now was the time to enact our 
plan, I judged, so I said to him, "Why don't you close 
your eyes and just lie back and concentrate on the 
feeling, and I'll do you." 

He acquiesced, putting his hands behind his head, and 
closing his eyes.

This was the cue Cathy and I agreed on; if she was 
watching us through the keyhole as we planned, she was 
supposed to come in to the room quietly as soon as his 
eyes were closed; and sure enough, the door opened 
without a sound and she entered, almost closing it 
behind her.

Her trim body was covered by only a skimpy bra and lace 
bikini panties, and otherwise was completely naked. She 
tiptoed over to the side of the bed across from me and 
knelt down, while I continued to do him. Then came the 
moment of crisis; she reached out a hand, and started to 
lightly stroke the head of his swollen cock with her 
fingertips.

At first Greg must have thought it was me doing it; but 
then, something about it must have seemed different, so 
he opened his eyes. "Hey!" he exclaimed, but I cut him 
off immediately and told him to just lie back, 
explaining that she was my sister, and she wanted to do 
him with me, if it was okay with him. Of course her 
expert work on his cock-head while he absorbed the 
information helped him come to the decision to go along 
with our program.

While we continued to do him, we explained how Cathy was 
visiting, and how we did it with each other all the 
time, and how she had been hiding in the closet watching 
us the last time he had been over, and how much she had 
enjoyed the show, and wanted to participate with us. 
Greg was obviously adjusting to the surprise we had 
forced on him, and clearly seemed to like the idea of 
having a girl to join in our activities.

We stopped jacking him, and all three of us sat on the 
bed, us boys with our very firm erections projecting up 
from our laps, and Cathy in her skimpy underwear. Greg 
was making a half-hearted effort to conceal his hard-on 
behind his arm, but I knew he would feel more 
comfortable with us after a few orgasms had happened, 
and he saw how enthusiastic Cathy was with sex.

Cathy reached over and started slowly stroking both our 
cocks to keep our interest up, one in each hand, while 
she opened discussion of what we should do next. Greg 
was clearly very turned on at this scene; I knew he had 
never been with a girl before, and I could tell he was 
in danger of cumming soon with Cathy's hand on his cock. 

I nodded to Cathy, indicating his condition; he had 
started creaming heavily and was swollen rock-hard, and 
as she noticed these signs she suggested we should take 
turns doing each other, and that they should do me 
first. She knew I could last, and that we could get more 
mileage out of Greg if he didn't cum so soon.

Greg agreed enthusiastically, so I was laid back on the 
bed, with one of them sitting on either side of me. They 
both started to feel me up, running their hands over my 
erection and balls; it was very hot, they were each 
obviously encouraged by watching what the other was 
doing, and they took their time languidly torturing me 
with slow, gentle tickling and light stroking, that had 
me starting to cream in a few minutes.

They were talking about my prick between themselves as 
they did me, as if I was some object they were 
investigating; Cathy had broken the ice by telling him 
how much she enjoyed how big I was, and Greg agreed, 
saying how nasty my bigger erection felt in his hand 
when he jacked me off, and they went on from there. 

As they chatted about my equipment and how it was 
responding to what they were doing, they were 
coordinating their efforts wonderfully, and were 
becoming quite a team. For example Cathy said, "Go down 
a little further, while I do his head... try it a little 
lighter." then a little later, "Look how much he creams 
when you squeeze him there-Do it again! Not too much, I 
think he's getting close."

They were encouraging each other to be much more 
creative than I had ever known either of them to be 
before. Greg was firmly massaging the hard bulge below 
my balls with one hand, while jacking around the rim of 
my cockhead with the thumb and index finger of his 
other, while Cathy had one hand around the base of my 
shaft and was squeezing it rhythmically, while softly 
exploring my balls with the fingertips of her other 
hand.

It was heaven; being done in so many ways, I was 
incredibly turned on. Cream was flowing in a thick, 
steady stream from my cockhead, coating its shaft, my 
balls, and all four of their hands, causing a wide range 
of squishy sounds as the rubbed, squeezed, and stroked 
different parts of my dick as they masturbated me. I 
could feel a massive orgasm building; I warned them, and 
at Cathy's direction they stopped their motions and just 
held my genitals.

I suggested that since they had brought me so close it 
would be easy to get me back there again, so why didn't 
we do Greg for a while; he and I switched places, and 
Cathy and I started in on him.

We gave him a similar treatment as they gave me; when 
his cock started throbbing involuntarily we stopped, and 
switched places again, Cathy removing her bra and 
panties. Greg and I started exploring her and I showed 
him what kind of things she liked. He was delighted when 
she came under our touch in only a few minutes; I guess 
she WAS very excited by our experiment. I had explained 
how she could cum over and over, and he had thought that 
was wonderful; then in only a few minutes, he had his 
first experience of a girl cumming.

We had thoroughly explored her genitals, running our 
fingers up and down her slit, around all the folds of 
her inner lips, around her clit; I pulled back its hood, 
showing him its little button, then showed him how she 
liked it jacked off; and of course we both had our 
fingers deep in her cunt, thoroughly exploring its shape 
and many textures. We both had a finger inside her at 
the same time feeling the sides of her cunt while I 
jacked her clit and Greg was stroking between her lips 
between her clit and pussy when she came the first time. 

We were both very aroused at doing her together, our 
erections were both very hard, red, and freshly wet as 
we creamed with our enjoyment of her pussy; she was 
lying with her head thrown back, panting and sighing, 
her cunt expanded to a cavernous cavity that our fingers 
were exploring. I was just telling him how her cunt 
opened like this deeply when she was close to cumming, 
when all of a sudden her pussy clamped down hard on our 
exploring fingers as she came.

Our fingers were squeezed again and again by the 
spasmodic contractions of her orgasm; I told Greg to 
keep rubbing her until she was done, so that she would 
cum longer. He was wide eyed, clearly on the brink of 
cumming himself with the intense eroticism of feeling a 
woman's cunt cumming for the first time.

Cathy came for maybe fifteen seconds, then lay back for 
a minute recovering; until I said, "I think Greg's 
close, feeling you cum was the last straw for him; let's 
finish him off."

She and Greg switched places, and I took his shaft in my 
hand. He was rock-hard, soaked with cream, and he let 
out an involuntary moan as soon as he felt my touch on 
his erection. Cathy started tickling his balls, and as I 
started to jack him off, she leaned forward and took the 
head of his cock in her mouth. Being considerably 
smaller than mine, she could easily get her mouth around 
it, and she started bobbing her head up and down on it, 
making a loud slurping sucking sound.

That did it, I felt the pulses of his shaft in my hand 
as he started cumming, his cock straining, bouncing hard 
as each violent contraction of orgasm shook him, sending 
streams of semen squirting through his cock into Cathy's 
waiting mouth. She sputtered slightly as the first 
stream of cum shot into her mouth, but quickly regained 
control, using the experience that she had gained from 
all our recent oral practice. She kept bobbing her head 
on his cock as he came, while I jacked his shaft and 
pushed hard on the hard bulge between his legs below his 
balls.

I couldn't see how much he came, since Cathy swallowed 
all but a few dribbles of it as it filled her mouth, but 
I could feel jerk after jerk of orgasm grip his body, 
over and over; I don't think I ever saw him cum harder. 
His entire body shook with each spasm, his legs and 
torso jerking as they were wracked by each strong 
contraction.

It seemed to go on forever; then finally the intensity 
of the throbbing of his cock in my hand gradually 
diminished, but continued for many more softer pulses, 
before finally dwindling to a few random throbs as his 
orgasm faded. Cathy raised her mouth from his cock, 
licking her lips, and said throatily, "Wow! Quite a 
mouthful! Do you always cum so hard?"

Greg was passed out on the bed, lost in post-orgasmic 
ecstasy. He was drenched in sweat, but now his cock, 
that had been displaying such urgent arousal since we 
started, was relaxing along his wet thigh. Cathy and I 
had our hands on each other's genitals while we waited 
for him to recover, rubbing each other's wetness 
languidly.

Greg eventually opened his eyes, and Cathy suggested 
they do me next. I lay down gladly, my erection, thickly 
swollen, dripping, and beet-red, sticking straight up 
towards the roof. They repeated what Cathy and I had 
done on Greg, except since Cathy couldn't get her mouth 
completely around my larger cock, she licked at its head 
and sucked its tip while he jacked me off. He was using 
both hands on my shaft while she used her mouth; it was 
so intense, after so much eroticism, that I knew I 
wouldn't last long.

I could feel my hard-on growing painfully swollen and my 
balls tightening as the fluids surged in my groin, 
pooling for their impending ejaculation. I was panting, 
trying to hold back, but it was no use; I felt my body 
stiffening and that familiar burning-tingling radiating 
from my extremities in towards my midsection, then a 
flash of light went off in my head and I was cumming.

My erection swelled and tightened powerfully as the 
first jet of semen surged through it into Cathy's 
waiting mouth, and it continued bouncing in their hands 
with each subsequent orgasmic contraction. I felt the 
cum surging through my shaft in thick jet after thick 
jet; it was heaven. I could feel that I was really 
giving Cathy a flood, but she handled it well, being 
prepared since the signs of my impending orgasm were so 
clear in my highly-aroused genitals.

I was completely lost in orgasm; I think my head was 
thrown back and I was thrusting my cock forward as each 
powerful contraction seized my body, but I was mostly 
unconscious of my surroundings, being totally possessed 
by the primitive grip of primeval sexuality, the urge to 
shoot as much semen as I could into Cathy. I think she 
was as eager to receive it as I was to ejaculate it; as 
I recall her eyes were closed, and her face was twisted 
up in a passionate grimace as she sucked desperately on 
my erection as if it was a huge straw feeding her the 
most essential nutrients for her survival.

Gradually my orgasm lessened in its intensity, until 
only a few random weak pulses, like afterthoughts of the 
storm that had surged through my groin, gripped mildly 
at my erection, and then it was over. Cathy continued 
sucking for a few moments as if to be sure she had 
gotten it all, then raised her head and said, "Jesus! 
Between the two of you I feel like I drank about a quart 
of cum! That was great!... but now it's MY turn!"

Cathy and I switched places, scooting her down so her 
ass was hanging off the bed, her toes resting on the 
floor, her legs spread. there was already a towel on the 
bed, but I put another under her on the floor, in case. 
Greg and I both got on the floor and knelt between her 
legs; she put one leg over each of our shoulders to 
accommodate us.

I helped Greg get two fingers inside her and showed him 
what she liked, then I went to work on her clit, licking 
it, sucking it, and nibbling all around the top of her 
slit.

We had Cathy writhing with a few moments of this, and 
sure enough she had her second cum of the afternoon in 
just a few minutes. It was a good, hard one, not one of 
her big ones, but long and strong. I could feel her 
pussy clenching and releasing under my mouth as she 
came, and I'm sure Greg was getting an "inside view" of 
her orgasm. She gasped at us to keep going, so when she 
recovered we started pouring it on, trying to stimulate 
her pussy as excitingly as we could.

Within a few minutes she was panting again, and her skin 
was shiny with a film of sweat. Her slit was drenched in 
her juices and my saliva, and her legs were starting to 
twitch spastically. I could sense that she was going to 
have one of her big ones, so I started really pouring it 
on, and Greg seemed to follow suit.

She was making little desperate sighs with each breath 
out, and they were beginning to get more throaty and 
despairing; I knew she was close. Then she started to 
make that eerie guttural moan, and I knew she was 
cumming.

And it WAS one of her big ones; her whole body was 
bucking as she came, her pussy contracting in violently 
strong, rhythmic pulsations; my face was soaked, and 
juice was dripping down her ass onto the waiting towel 
as she continued cumming. It was a very hard, long 
orgasm, and it was intensely hot to feel her cumming so 
strongly under my mouth.

As it began to subside, Greg said "Damn!" I could see he 
was incredibly excited by the intensely erotic spectacle 
he had just witnessed, his cock was rock-hard and 
dripping again; mine was too, even though I had just 
cum; it was such a turn-on to make Cathy cum so hard.

As she came around and saw the state we were in again, 
she sat us both side-by-side on the bed, knelt down on 
the floor, and started jerking us both off again, one 
with each hand. She did it fast and hard, evidently 
intending to make sure we each came again. Greg and I 
leaned back and let her do us, and I suggested we try to 
cum at the same time if we could; he grinned assent.

In only a few minutes I felt my juices surging, and told 
him I was ready to cum soon. He said, "Me too," and I 
started a countdown. "Ten, nine, eight, seven..." When I 
hit three he started cumming and I followed suit at 
"one!"

Neither of us came as hard as we had previously of 
course, but it felt great, cumming with Cathy's hand on 
my hard-on, and we each shot respectable loads that 
jetted several inches in the air before falling back on 
our erections and Cathy's hands.

She kept up her stroking until we were completely 
finished, hoping to extend our orgasms as much as she 
could. We all three then sat back with satisfied grins 
on our faces, and chatted languidly about our orgy.

"Man, that was incredible! Cathy, that was so cool 
having you do all that stuff, both of you... I never 
came so hard in my life! And in your mouth, too! Damn!" 

"That was hot," I agreed, "it's amazing getting done by 
two people." 

"I really liked getting both of you to cum in my mouth," 
added Cathy, "It was great getting to feel two big ones 
cumming, and getting to drink them, one right after the 
other. You guys must have fed me a quart of cum! It made 
me so hot I almost came while I was doing you. But then 
you guys took care of that very nicely when you did me!" 

Greg looked at me and said, "It was cool to do you with 
Cathy, it takes two people to do you well, you're cock 
is so big!" 

"Yeah, that was really good," agreed Cathy, "but I was 
really glad to get to do one I could actually fit in my 
mouth... I felt like I could do a better job."

Greg grinned, "Damn, that was just incredible! The 
feeling of my dick in your mouth... Damn!"

We cleaned up ourselves and the room, and went 
downstairs for a soda. Eventually Greg left, and we 
continued with our afternoon with a very satisfied ease.

***

Summer was drawing to a close, and for reasons having to 
do with our Mother's situation it was decided that Cathy 
should spend at least the fall here with us, and perhaps 
the winter too, and maybe on indefinitely.

I was of course overjoyed to hear the news when Dad told 
us; my sex life had become the central focus of my life, 
and of course Cathy WAS my sex life. The remainder of 
the summer had continued on along the lines I have 
described; Greg became an occasional associate in our 
activities, but with his much busier schedule than ours, 
we were on our own most days; but of course we managed 
to rise to the occasion without him, and continued to 
single-mindedly explore ways of helping each other cum 
harder.

With our new school schedule and homework and all, our 
daily sessions diminished to usually a quickie most 
days, with a thorough extended session a couple of times 
a week. For example, one morning before school Cathy 
heard me peeing in the bathroom, and she came in and 
held my cock while I finished, squeezing out the last 
few drops of urine; of course I was hard by then, so she 
jacked me off quickly standing there over the toilet, 
which caught my spurting load when I came; we then 
hurried down to breakfast, only a couple of minutes 
behind schedule.

Our father was a little more vigilant over our evening 
activities than he had been during the summer, trying to 
make sure we were on top of our homework and all, but we 
discovered that Cathy could use a lot of "help with her 
homework"; so I would go into her room and sit right 
next to her at her desk as if we were in consultation; 
but of course our hands were otherwise engaged. 

Since we were in the appropriate position to appear be 
doing our supposed activity, we just had to move our 
hands if we heard the door opening, and all looked fine 
if Dad checked in on us. Of course we had to be careful 
to have nothing showing that couldn't be quickly 
concealed; fortunately her desk didn't have a center 
drawer over its footwell, so there was plenty of height 
under the top to tuck my exposed erection into in a 
hurry.

Usually we were pretty lucky and he didn't check on us 
at the wrong time, but once I was just about to cum when 
we heard the door opening. Cathy knew I was just coming, 
but skillfully aimed my erection into the footwell as we 
leaned forward up against the desk hiding it, and she 
even continued to jack me off as I came on the floor 
while he talked to us.

Then several times a week we found time for a full 
length sex session, getting to spend an hour or two 
making each other as hot as possible, resulting in our 
mutually-explosive orgasms. Dad had a regular meeting 
every Thursday night, and we were at it right after 
dinner once he left. He was gone for about three hours, 
so there was plenty of time for whatever we wanted to 
do, no matter how involved.

By now we had a very full repertoire of ways of making 
each other cum; nothing was taboo between us, we tried 
out whatever we could think of. Only one act was 
forbidden, and that was putting my dick inside her 
pussy. We talked about it at times, but we both knew 
that that was more than we dared handle; if she should 
get pregnant by her brother, there would be hell to pay.

Then one day a friend of mine was showing off how he had 
a bunch of rubbers; a light bulb went off in my head, 
and I got him to sell me a few. That night while I 
"helped Cathy with her homework," and we each helped the 
other cum, I told her about what I'd gotten, and asked 
her if she thought it would be okay to try it out using 
one. She responded, "I don't know... Do you think it'd 
be safe? I guess those things are supposed to work 
pretty good... God, I'd love to try, if only we could be 
sure that it would be safe."

***

That was Wednesday. The next evening was Thursday, and 
she agreed to try out the rubber then.

As soon as our father walked out the front door we both 
ran up the stairs, into my room, and ripped our clothes 
off. I was already hard as a rock in anticipation of 
what we planned to do, and Cathy seemed excited too, and 
a bit nervous. As we looked at the rubber and took it 
out of its package, she was chattering nervously "It's 
supposed to hurt a bit on the first time... and you're 
so big! I hope it works okay... I can't wait to feel you 
cumming inside me!"

We got it unwrapped and I worked at getting it on my 
erection. It just unrolled over it, it was quite tight; 
I wondered if they made larger ones; but finally I got 
it on okay. It only covered the first two-thirds of my 
hard-on, but I imagined that would be okay, I was 
doubtful if more than that would fit inside her. I was 
extremely excited; my erection was swollen fully, 
stretching the condom wrapped around it very tightly. It 
looked bigger than ever with the shiny stretched condom 
sheathing it.

Cathy lay back on the bed with her legs spread, and I 
knelt in between them, and pushed my hard-on towards her 
pussy. She grasped its shaft and guided it to where it 
belonged; neither of us knew what to expect, so we were 
moving slowly and tentatively.

My cockhead came up against the mouth of her cunt, and 
we slowly pushed to try to get it to enter her; but it 
wouldn't go in other than a tiny bit. We tried several 
more pushes, but without much better results. "Just a 
sec..." Cathy said, and reached for the jar of Vaseline 
that we kept in my bedside table. We used a bit of it 
occasionally when we jacked each other off; the slippery 
feeling was great sometimes. She scooped out a generous 
dab of the stuff and reached down, putting it on herself 
around her hole. "Try now," she directed.

I pushed my cock again against her cunt, and felt it 
slip in slightly. Cathy gasped, and said "Wait... let me 
relax..." In a moment she said "Okay," so I pushed 
again. A little bit more squeezed into her. She said, 
"Again!" Another push got a little bit more in her. I 
could feel my whole cockhead inside her tight pussy. It 
felt like heaven, her very tight cunt squeezing firmly 
all around my swollen cockhead: the whole experience was 
so exciting, I was close to cumming.

"Oh!" she groaned.

I asked her if she was okay, and she said it kind of 
hurt a little, but felt strange and incredible; she 
thought she'd really like it once she got used to it. I 
told her how incredible it felt to me, and that I was 
close to cumming. We agreed to wait like we were a 
minute so I wouldn't cum and she could relax and get 
used to it.

We lay like that, the head of my rock-hard erection 
throbbing in her pussy, for a minute, and then she said, 
"Try a little more." I pushed firmly but gently, and 
another inch slid into her, a bit more easily now that I 
had gotten the opening stretched out a bit. "Oh my..." 
she said as she felt my size sliding into her. 

"You're so big! I feel very stretched out... it feels 
amazing!" She was getting a wild, dazed look in her 
eyes. "Try a little more now," she urged me. 

Again I pushed gently, and another inch and a half or so 
slid into her stretched cunt. "Oh!" she said now, a bit 
more urgently. 

Again I asked if she was okay. 

"Oh, yes! It feels intense, but it's so hot to feel so 
filled up and stretched out... I think I'm going to be 
okay doing this..." she replied, "Don't give me any more 
yet... Why don't you try moving it in and out a little 
bit?"

I gently experimented pulling it out a bit and back in. 
It slid in and out of her tightly gripping cunt 
smoothly, but stiffly, it was being squeezed so tightly. 
The Vaseline helped a lot, and I think she was getting 
wet too. "Oh! Keep going... gently, gently..." 

I repeated pumping it slowly in and out an inch or so; 
but again I felt an orgasm building under the exquisite 
sensations of being inside her, having my hard-on rubbed 
by her firmly gripping cunt; I told her, "I'm almost 
cumming..." 

Cathy said, "Wait then..." But it was too late. I felt 
my orgasm surging up, then my body was gripped in the 
contractions of ejaculation as I came inside her. I must 
have unconsciously pushed my hard-on much further inside 
her as I came, for she cried out, "Oh! Too much! Too 
much!" Then as she felt an erection throbbing in orgasm 
inside her for the first time, shooting jet after jet of 
hot white semen into her cunt, she moaned victoriously, 
"Ahh... Ahh... Ah YES!"

As my orgasm subsided I collapsed down onto her; after I 
recovered myself, we carefully pulled my deflating cock 
out. I asked her if she was okay, or if I had hurt her. 
"Well, it's a little sore now, but it was amazing 
feeling you cumming inside, I think I'm going to like 
this a lot! Even though it hurt a bit, I almost came 
when I felt you cum inside me!" I asked her if she'd 
like a kiss now, and she answered, "Oh, yes! Just stay 
away from where I'm sore."

I shifted myself down between her spread legs, and 
started licking around her clit; she gasped immediately, 
and in only a few minutes she started cumming. It was a 
hard cum, not one of her "big ones," but almost; her 
entire body shook with the spasms of her orgasmic 
contractions as her pussy tightened repeatedly under my 
mouth.

When it was over, we talked excitedly about this new 
phase of our sexual experiments with each other. She 
suggested I get a lot more rubbers, and we'd work on 
getting as good at this as we were our other techniques. 
She speculated that she was going to have huge orgasms 
doing it, since it felt so fulfilling to be filled up by 
my big cock. 

We chatted on enthusiastically as we cleaned ourselves 
up, removed the towel I had put under us in case, and 
straightened the bed, hiding all evidence of our taboo 
activities from our father, in case he should look in 
later; we each then went to do our homework like 
responsible teenage siblings should.

***

The next day after school I arranged with our ride that 
I would be a few minutes later than usual and I stopped 
in at the drugstore down the block from our high school. 
I was very nervous, but, screwing up my courage, I 
mustered the nerve to ask for a big box of large sized 
condoms. I didn't know if they made them in different 
sizes, but I figured I'd ask in case they did. The clerk 
asked me if the particular brand they carried was 
alright, and I ended up carrying two twelve-packs of 
large sized rubbers discreetly hidden in a bag as I 
hurried back to meet my ride home.

When I got home I showed my prize to Cathy; her eyes lit 
up, and she smiled happily. "I bet we'll be pretty good 
at it by the time we need more," she said.

This was Friday, and we didn't necessarily have to do 
homework on Fridays, so our dad was pretty loose about 
checking up on us in the evening. My sister and I were 
watching a movie on TV, when Dad poked his head in the 
door and announced he was turning in, wishing us 
goodnight. We waited about twenty minutes, when Cathy 
demanded, a twinkle in her eye, "Alright! Get them out! 
I think we ought to see how they fit, don't you?" I 
grinned and led the way to my room, where I had the 
rubbers concealed in my dresser under my shirts.

We closed my bedroom door, and Cathy worked at getting 
one out of the box and taking it out of its wrapper, 
while I took my pants off. She sat on the bed while I 
stood facing her. I was already getting hard. "We better 
make it as big as we can, to make sure they fit okay" 
she teased, starting her squeezing strokes on my 
erection, forcing blood into its head, swelling it to 
its maximum size.

After a few minutes of this she stopped, admiring her 
handiwork, and said, "That's about as big as I've ever 
seen it!" 

My hard-on was hard as a rock, swollen a dark red, 
projecting out from my midsection like a log. Cathy took 
the condom and fitted it to the tip of my erection, and 
started to unroll it. 

"How's that feel?" she asked. 

It unrolled onto my thick shaft evenly, still quite 
tight, but not as constricting as the one we had used 
the other day. "Pretty good," I answered, "It seems to 
fit better than the last one, but it's still tight." 

"That's because you're so big!" she observed proudly.

"I want to make you cum in it, and see how it works." 
She started to jack me off, exploring how the rubber 
moved with the skin on my shaft as she slid her hand up 
and down it. 

For some reason it was very exciting watching my hard-on 
enclosed in its smooth, shiny covering being done; the 
rubber made my erection look so glassy, the veins and 
the thick projection of the rim of its head smoothed out 
a bit, so it looked like a big sausage than usual.

After a few minutes of this Cathy reached down between 
her legs and started to masturbate herself while she did 
me. Her hand on my cock felt strange through the 
stretched skin covering it, exciting in its difference 
from what I was used to, and I could feel my juices 
flowing as I became more aroused. She noticed the little 
tip of the rubber beginning to fill up from my creaming, 
and she stopped a minute to squeeze it with her fingers, 
watching it squish around inside.

I was getting very hot, and announced that I was going 
to cum soon; instead of pausing like she usually would 
to draw it out, she kept going, slowing down a little, 
saying, "I can't wait to see how much you can fill this 
thing up when you cum... and.. I THINK I'm going to... 
cum too..."

She was breathing hard, her eyes drifting down to little 
slits as she approached orgasm, and seeing her arousal 
sent me over the top; I felt my swollen cock, hot and 
burning from the friction of her hand, seized by the 
powerful, rhythmic contractions of orgasm, forcing 
stream after stream of semen into the condom. We watched 
its tip bulge more and more, a large bubble white from 
its cum filling, growing around my cockhead, drooping 
towards the floor under its own weight as it got fuller 
and fuller with each spurt of my forceful ejaculation.

Cathy sighed and started cumming too just as my orgasm 
started to diminish, and I watched her angelic face as 
she came: flushed cheeks, eyes closed; her mouth open, 
softly sighing "ooh.. ooh..." on each panting breath 
out; a look of delicious desperation on her features, as 
wave after wave of orgasm washed through her body.

She came for a long time; it looked not so strong, but 
unusually long. Finally she came to herself and opened 
her eyes, looking eagerly for the results of our 
experiment at filling a condom with cum. "Wow... pretty 
good!" she said as she saw the large, white rubber bulb 
filled with semen drooping from the end of my softening 
dick. She reached out and felt the cum-bubble, squeezing 
it and squishing it between her fingers, watching how 
the cum moved and flowed as she squeezed its container. 
"Seems to hold it in okay... I guess it'll do its job 
okay... I'm glad, 'cause I really want to have you cum 
inside me again, and this time I'm going to cum too!"

Saturday mornings were one of our regular sex times; we 
slept in, and Dad usually went out for the morning, so 
as soon as he left we usually got together in one of our 
rooms and did it. 

We both understood that this Saturday we'd try to fuck 
again, and as soon as we heard Dad leaving Cathy showed 
up at my bedroom door dressed only in her nightie. I 
already had the condoms and Vaseline out on my 
nightstand, and my erection was fully hard in 
anticipation, projecting out proudly from beneath my 
pajama tops.

Cathy eagerly hopped up on the bed while I opened one of 
the rubbers, and she applied Vaseline between her legs 
while I unrolled it over my swollen shaft. She directed 
me to lie on my back, saying she wanted to try it in 
another position, to see how that was; she thought that 
if she was on top, she could maybe have a little more 
control, to minimize her discomfort and maximize her 
arousal.

She got up on her knees straddling me, but I was 
sticking up so high she had to point it down a bit to 
fit it between her legs. She guided it to her slit, and 
started to lean down on it, forcing it into her pussy.

Like last time, she got my cockhead inside and paused, 
breathing hard, becoming accustomed to having her 
privates so assaulted by my size. After a minute or so 
she moved her butt around a bit, shifting the angle that 
I was entering her from slightly, exploring how it felt. 

I asked her if she was okay and she said yes, much 
better than last time. She leaned on it harder, and 
another inch or so went in her. again she paused, but 
for just a moment, before slowly pulling up an inch, 
then back down, this time letting a tiny bit more of my 
thick shaft enter her. She repeated this six or seven 
more times, withdrawing my cock a bit, then pushing it 
back in slightly farther, then rested again.

She was breathing hard, her eyes closed and her face 
looking very concentrated as she explored the new 
sensations in her genitals. As we lay there she moved 
her ass very slightly back and forth, slowly, in a 
steady rhythm. It felt incredible; I was about halfway 
into her, and as she swayed back and forth her cunt gave 
an exquisite, subtle massage to my hard-on. "You'll make 
me cum if you keep that up for a while," I said; 

"Me, too," she replied breathily. 

"Is it okay when I'm in you that far?" 

"Yeah, once I relaxed... and feeling your big dick 
filling me is definitely going to make me cum, too!"

She started slowly moving up and down on me, so I would 
pull out of her a little bit and then back in the same 
amount. She was moving carefully, cautiously exploring 
what she could do without hurting herself; even though 
my cock was squeezing tightly within her pussy, the 
Vaseline and the slickness of the rubber allowed it to 
slide smoothly in her, and she very gradually let more 
and more of it into her as she pushed down.

It felt incredible having my erection sliding in and out 
of her very warm, squeezing pussy. I was on the edge of 
cumming and told her so; she answered "Me too" through 
her heavy breathing, and she stopped her movements, and 
let herself down to lie on me.

We embraced, allowing our immanent orgasms to recede a 
bit, for several minutes; even lying there without 
moving felt amazing. I had about three-quarters of my 
length inside her. The sensation I noticed most was how 
hot she was inside; it felt like my hard-on was being 
squeezed in a tight, wet oven. It was incredibly 
arousing, even not moving; the urge to cum grew less 
very slowly; if she had moved even a quarter inch I'm 
sure I would have filled her with cum.

Finally she sat up on me, holding herself up on her 
arms, and looked in my eyes. She was flushed, her face 
was puffy as if she'd been asleep, and her face was 
shiny with a light film of sweat, but her breath, though 
still quite strong, was a little steadier. "How're you 
doing?" she asked, her voice warm and thick. 

I told her how good it felt, and that I was still close 
to cumming just from being in her, but was a bit more in 
control. 

"Me, too... God, feeling so filled up is so hot, I could 
just lie here and cum and cum and cum..."

I asked her if we could fit any more in, and she replied 
that I was hitting the back of her pussy now, just 
perfectly, and if we pushed any more it would hurt. I 
was about three-quarters of the way into her, so that 
was that. She started moving slowly up and down again; 
feeling it out, exploring, she found a rhythm where she 
pulled out a little slower, paused a minute, then slid 
it in a little faster and harder, pausing again. Once 
she settled on this she kept it up very steadily, 
without wavering.

We were both involuntarily moaning, "Oh! Oh! Oh!" under 
our breath on each downstroke; I was completely 
possessed by the sensations I was feeling; wrapped up in 
a cloud of pleasure, feeling her hot body against mine, 
her hotter pussy enveloping my hard-on and jacking it 
off, my rising orgasm about to engulf me entirely, all 
mixed together in a stew of ecstasy.

Suddenly she started loudly, desperately calling, "Oh... 
Oh... Oh... Oh..." and I knew she was cumming. I 
couldn't feel it on my cock, it was experiencing so many 
new sensations I couldn't distinguish them; but I could 
feel myself starting to cum with her.

I was gripped by that familiar paralysis as my body grew 
stiff, and felt my cock grow even harder and start to 
pulsate as it shot jet after jet of cum deep into Cathy. 
She felt it, for her voice lost some of its desperation, 
and she started calling out, "Ah... Ah..." joyfully, as 
she felt me cumming deep inside her as her own orgasm 
diminished.

As the throbbing in our genitals finally subsided she 
lay forward on me, and for a long time we let go of 
everything, relaxing and floating in the warmth of each 
other, just being. I don't think I fell asleep, but my 
mind went to that dreamy place that isn't awake, but 
isn't quite asleep, either.

After a long time I was roused from my reverie by Cathy 
stirring. She shifted herself up onto one elbow and 
looked at me, happily, finally saying "Hi" in a thick 
voice. I said "Hi" back, and we smiled at each other, 
proud of our performance, and contented to be with each 
other so intimately, totally satisfied in the warm glow 
of completion.

***

The next week went pretty much like the previous one 
did; we managed to cum together almost every day, and 
once we were able to do it with me inside her again. It 
was great, I felt like there were no barriers to out 
sexual expression; we could do whatever we wanted to; we 
just had to be careful not to get caught.

Then the following Monday afternoon after school we were 
having a snack, when Cathy started talking. "I don't 
know if you noticed that blonde girl I've been hanging 
around with at school, she's in my homeroom, and we have 
math together. Her name's Lynn, and she's real nice, I 
like her a lot. She's a new girl too, she doesn't know 
anyone either."

"We've been talking quite a lot, really getting to know 
each other; and today we started talking about sex. We 
admitted to each other that we liked to masturbate, and 
she hinted that she used to have girlfriends that she 
messed around with; I hinted that I did too. I didn't 
tell her about you. Well, I invited her to come over 
Wednesday after school, and fool around. 

"If I can get her into us doing each other, I thought 
maybe you'd want to watch, like I did with you and Greg. 
It's really hot to watch two people doing it when one of 
them knows and the other doesn't! I'm not sure what 
she'll do, but she seems pretty cool, so I'm hoping 
she'll get into it, I'd like that!"

She looked up at me with a twinkle in her eyes; "There's 
something about getting done by another girl that's so 
hot! Don't you think so?"

Of course I thought that would be great, so we planned 
to do it very much like we did with Greg and I.

Wednesday came, and as arranged Cathy delayed their 
arrival home from school so I could hide in the spare 
room closet as she had before, with the closet door 
standing slightly opened so I would have a good view of 
whatever happened. I heard the back door slam as they 
arrived, and after a few minutes I saw them enter the 
room; Cathy closed and locked the door behind them.

Lynn was a cute girl- she looked to be maybe a little 
older than Cathy, certainly a little more developed; she 
had a prominent bust, slim waist, and nicely rounded 
rear. I was hopeful that Cathy would be able to get her 
to take her clothes off, I'd love to see more of her. 
She had straight blonde hair, that she wore down to her 
shoulders, and a cute face.

As they entered they were making small talk. Cathy was 
introducing sexual innuendoes in their conversation, and 
Lynn was beginning to get that focused look that 
indicates sexual anticipation. As Cathy locked the door, 
she said, "Just so no one can come in on us... whatever 
we're doing." 

"It feels good to be in complete privacy with a 
girlfriend; you can really relax, you know? You don't 
need to worry about what other people might think about 
you, you can do whatever you want together..."

Cathy sat on the edge of the bed, and asked Lynn to tell 
her about what she liked to do with her girlfriend when 
they were alone together. Lynn sat down on the same side 
of the bed a ways from Cathy, swiveled to partially face 
her. "Well, you know, we used to talk and stuff... and 
we used to show each other stuff we discovered, you 
know, about sex..."

"What kinds of stuff?" asked Cathy innocently, but with 
an undertone of lust in her voice, to encourage Lynn to 
go farther. 

I was hard now with the turn the conversation was 
taking, and I carefully opened my pants and started 
slowly stroking my hand along my shaft.

"You know, things we discovered, about how to rub 
ourselves and everything..." Lynn was clearly a little 
shy about completely opening up to her new friend, 
probably unsure about how Cathy would react to any more 
frank admissions of sexual involvement with another 
girl, but the gleam in her eyes told that she was 
clearly eager to keep going in this direction.

Cathy leaned back on the bed resting on her elbows, and 
said, "Did you ever do it together? Did you rub each 
other?" She said it in a tone of voice that left no 
doubt she wouldn't disapprove of an affirmative answer 
to her question. "Uh-huh. How about you? Did you ever?" 

Cathy laughed, "Oh yeah, a lot! I had a friend who 
showed me how to do it, and after that we used to do it 
a lot with each other. We always did each other, it felt 
so much better!"

Lynn's face brightened noticeably at Cathy's admission, 
clearly relieved that her new friend wasn't going to 
judge her for her taboo violations. "Yeah, we did too! 
She was a real nasty girl, she got us to do it all the 
time... but I liked it a lot!"

Cathy asked her, "Tell me about your friend?"

Lynn related how she had known this girl for years; then 
when she was thirteen and the other girl was fourteen, 
the older girl had asked her if she ever fingered 
herself, and at Lynn's relative naiveté, the girl had 
talked her into letting her show Lynn what she meant; 
then she'd done her right then, making her cum for the 
first time.

"It felt so good, I let her do me whenever she wanted... 
and I started doing it to her too. She was real nasty; 
she liked to do it in public, but so no one could see of 
course, and do it lots of times; sometimes we would do 
it all afternoon. She figured out all different ways to 
do it; she would try anything!" Lynn was relaxed now, 
her story spilling easily from her lips.

"Have you ever 'been' with a boy? asked Cathy. 

"No. I mean I've been kissed... you know... But not 
really anything else." 

"Have you ever seen a boy's thing? You know, hard and 
all?" 

"No... Have you?"

Cathy laughed again. "Yes, I have." 

"Wow, cool! What have you done?"

Cathy didn't answer, but instead asked Lynn, "All this 
talk is making me kinda hot Lynn... Do you mind if I 
take off my panties?" As she spoke, she reached up her 
skirt, grabbing their waistband. Then she hesitated, 
waiting for her friend's permission. 

Lynn's face was glowing with interest, and she answered, 
"No, I don't mind... Do you mind if I take off mine 
too?"

Cathy slipped her panties down and tossed them on the 
floor, while Lynn stood up; she had jeans on, and 
removed them, following them with her panties, revealing 
a cute, puffy pussy ringed with soft, blond curls; then, 
wearing only her blouse, she sat back down. 

I was so close to cumming at the sexiness of these 
girl's intent. I had to stop stroking my hard-on and 
cool down when I caught sight of Lynn's naked pussy, or 
I would have cum right then in anticipation of what 
would be coming next.

Leaning back on one elbow, Lynn started idly stroking 
and pulling on her pussy hair while she watched Cathy. 
Cathy spread her legs wide and began slowly sliding her 
finger around her slit, tracing her lips. 

"Can I watch?" asked Lynn, as she shifted her position 
so that her face was near Cathy's knee. She watched the 
darker girl teasing herself in silence for several 
minutes. Both girls were breathing noticeably heavier 
now; Cathy's slit was spreading open in her arousal, her 
inner lips and the hood of her clit projecting well out 
from her lips with her arousal. Lynn had continued to 
tease herself, but the way she was lying I couldn't see 
it directly.

"Can I feel you?" asked Lynn. Cathy took her hand away 
in assent Lynn reached out and stroked Cathy's slit, 
tweaking her clit. Cathy sighed under the welcome touch 
of another hand, spreading her legs farther and pushing 
her pussy forward a bit.

"Tell me about what you've done with a boy," urged Lynn.

Cathy began a throaty narration about how she had this 
"friend" and how she had accidentally seen his erection 
and that had led to watching each other masturbate, then 
doing it to each other. 

"Did you ever use your mouth?" Lynn asked in a small 
nervous voice.

"I've done everything." Cathy was breathing hard now, 
her face flushed, and her eyes drifting closed as her 
new friend did her.

"Wow! What's it like having someone do it in your 
mouth?" 

Cathy answered, her talking labored by the expert 
stimulation that was being lavished on her pussy. Lynn 
had several fingers rubbing inside her now and she was 
rubbing up and down inside her inner lips as well. 

"Oh, it's amazing... he's so big that it's hard to fit 
him in my mouth; and when he squirts, it's... it's... 
like... Oh... oh... oh!" Cathy's description was cut 
short as she started to cum. Lynn focused intently as 
she expertly worked her, milking the most she could out 
of her orgasm.

Cathy came for a long time. I could see that girls 
really could do each other better. I almost came too, 
watching how Cathy kept cumming and cumming like that, 
but I wasn't touching my erection, which throbbed and 
dripped a steady stream of clear pre-cum. If I had 
touched myself, it would've been all over; as it was, I 
barely held on.

After she recovered for a few moments, Cathy sat up and 
leaned over, reaching for Lynn's crotch, saying, "Ok, 
now it's YOUR turn!"

As she started in on her, she continued her description 
where she had left off. "When he cums in my mouth, it's 
just incredible! First of all, it shoots out really 
hard! It used to choke me at first before I learned how 
to do it. Then, there's so much of it, I don't know if 
he's unusual, or maybe it's because he's god such a big 
one, but it's like drinking a small milkshake!" 

"What's it taste like? Is it gross?" Lynn asked, her 
speech now throaty with sexual stimulation, like Cathy's 
had been, as she was getting done.

"It tastes salty, I don't know... I kind of like it... 
in fact, I like the tastes more and more; it's so much 
fun. He cums so hard when I do him with my mouth, that 
getting to drink it's a real treat!" Then she changed 
the subject, and said, "I like your pussy Lynn. It's 
puffier than mine, and your clit is much bigger! Are you 
close?"

Lynn sighed yes, that she was trying to hold back to 
make it last, but it was hard with what Cathy was doing 
to her. I was about to cum again, and knew I would as 
soon as I saw Lynn climax.

Then Cathy suddenly leaned forward and started sucking 
on Lynn's clit! Lynn let out a loud groan of pleasure 
and I could see her start cumming. Her body tensed and 
she through her head back. It was hard to watch, for my 
orgasm hit at the same time. My cock jumped and spurted, 
as jet after jet of cum arced out onto the floor at my 
feet.

When my orgasm started to subside, I could see that Lynn 
was still cumming, but she was clearly running down. 
Several more shudders wracked through her body, and she 
sighed as she stopped. "That was great... you surprised 
me!" 

"I couldn't resist after all that talk about swallowing 
cum... I hope you don't mind." Cathy's mouth and chin 
were shiny with Lynn's fluids and Lynn's blond bush was 
matted down with sweat, saliva, and cunt-juice.

Both girls laid back and chatted softly with each other, 
their conversation roaming farther afield now that they 
were both satisfied. Lynn was saying, "It turns me on 
thinking about your friend with the big thing... Is he 
nice? Do you think I might get to see it sometime, or 
are you 'with' him? God, I'd love to see a nice boy and 
get to do it with him... Most boys are such crude 
animals! It's much more trouble than it's worth dealing 
with them!"

Cathy laughed, and said, "No way, I'm not 'with' him. I 
mean, we just fool around. Listen, if I tell you 
something, do you SWEAR that you'll NEVER tell a soul? I 
mean it. If this ever gets out, it would be REALLY 
bad..." 

Lynn, very attentive now, said, "Yeah, sure, I promise I 
won't tell anyone. After today, we have a secret 
already, I wouldn't want anyone to find out about what 
we just did to each other!"

"Ok, but I really mean it... anyway, the guy I was 
telling you about- he's my brother."

Lynn looked wide-eyed, thinking about her revelation, 
then blurted, "Wow! That's so fucking cool! I thought my 
friend was nasty, but you're doing it with your own 
brother! I didn't know you had a brother, does he live 
here?"

Cathy told her a little more about me and as they talked 
she said she would talk to me about it and maybe I'd 
agree to it, and Lynn might get her wish. But Cathy 
reiterated that she couldn't ever tell a soul.

Eventually the girls put themselves back together and 
Lynn went home. When I heard the door close, I waited a 
few more minutes, and then came out. Cathy was just 
coming upstairs to find me. She looked at me coyly, and 
said, "She was hot! She was really good. She really knew 
how to do me. How was it for you? Isn't it fun 
watching?"

"God, it was hot watching you girls do each other! I was 
almost cumming the entire time and when you finally made 
Lynn cum I couldn't hold back any longer and soaked the 
floor of the closet. And hey! You told her about me; do 
you think that's wise?"

Cathy reassured me that she had a good feeling about 
Lynn, she'd been getting to know her, and really trusted 
her. "Well, what about her request? How do you feel 
about giving her a private audience with that big 
beautify thing of yours?"

I told her I thought it would be really hot to do it 
with her. Cathy piped in brightly "Hey! I know what, 
I'll give her a lesson in how to do a boy and we'll use 
you to demonstrate on! How'd you like that?"

We agreed that Cathy would try and set it up with her, 
and see if she liked that idea. I couldn't wait!

***

Cathy told me after school the next day that she'd 
talked to Lynn about her idea. She'd been very 
interested, but was a bit reticent; Cathy pointed me out 
to her at lunch, and Lynn had agreed, succumbing to 
Cathy's urging and reassurances. We had agreed to try it 
tomorrow after school; we should have a good two hours 
before our father got home from work.

I was very excited at the prospect of revealing myself 
to Lynn, and letting her see and touch the most personal 
portions of my anatomy; I was also strangely 
apprehensive about it, almost shy. Cathy had first seen 
my erection by accident, and Greg was another boy, but 
here was a girl, who was knowingly planning a liaison 
with me and Cathy, for the purpose of seeing my hard-on 
It was so nasty, the prospect of this girl who I'd never 
met wanting to do me... I wasn't sure how I felt about 
it, it felt almost dangerous somehow...

So I was a little nervous as I arrived home from school; 
and there at the kitchen table sat Cathy and this other 
girl. (I should explain, Cathy got out of school an hour 
before me and usually got her own ride home.

Cathy said, "This is Lynn. Although I should let you 
know that I told her how were watching us on Wednesday, 
so you already kind of know who she is." She was 
smirking as she revealed her indiscretion.

I blushed as I said Hi to Lynn, and noticed she was 
blushing too. She looked very cute, with an embarrassed 
smile playing about her lips, looking into my eyes and 
then letting her gaze fall, obviously torn between 
interest and shame. 

I sat down and we chatted a few minutes. I felt Lynn 
relaxing with me a bit, and I found it somehow 
reassuring that she knew I had seen her "compromised"; 
it somehow leveled the playing field in light of what 
was planned for this afternoon.

After a little while Cathy said, "Let's go upstairs," 
and got up eagerly. Lynn and I got up too, maybe a 
little less enthusiastically; it felt a little funny for 
each of us to be in this arranged situation. Cathy led 
the way up to the spare room, and I brought up the rear. 
It was arousing watching Lynn walk up the stairs in 
front of me- her butt swayed cutely as she mounted the 
stairs.

We entered the room, and Cathy closed and locked the 
door, then turned to Lynn and said, "Come and sit over 
here on the bed with me." Cathy motioned for me to come 
stand in front of them, and said, "Well, okay brother, 
take it out, we're waiting."

I was almost dizzy with lust and shyness at the 
nastiness of the situation. In a daze, I felt my hands 
go to my belt, open the buckle, unsnap my jeans, and 
slide them down my legs. I was already fairly hard, and 
as I took off my pants I felt a surge of excitement that 
made my erection burst to full swell.

Lynn's eyes bugged at the swell in my underwear; it was 
pointing off to the left, stretching my briefs well 
beyond my hips, the rounded knob of its head pushing out 
like a fist inside my skives. Lynn's expression revealed 
the tense, eager attention of arousal now, her earlier 
shyness having been evaporated by the heat of the 
excitement of the scene she was witnessing. 

Cathy was saying, "Look how he can stretch out a pair of 
underwear! Now, let's see the real thing!"

She reached out both her hands, grabbed the waistband of 
my underwear at either side of my hips, and began to 
slowly pull it down. She mimicked stripper music as she 
did it, singing, "Da-dum... da-da-dum!" 

She pulled them down very slowly, revealing first the 
tuft of my curled pubic hair, then slowly, inch by inch, 
my shaft came into view, as it was pointed downward by 
the pressure of the waistband pulling it down.

Both girls attention was fully on my hard-on as it came 
into view; finally, my underwear at mid-thigh, its head 
was released, and my erection sprang up, bouncing 
slightly, pointing right at the girl's faces, a few 
inches from their mouths.

"Wow!" The word escaped involuntarily from Lynn's mouth 
as she saw her first erection. Cathy reached out and 
grasped its base with her thumb and forefingers, and 
moved it around, so they could see it from several 
angles. 

They were talking with each other, "Pretty amazing, huh? 
I couldn't believe how big it was when I first saw it." 

"That's supposed to fit inside a girl?" Lynn asked 
quiely.

"Well, if you think about it, a baby comes out through 
it, so this is small by comparison." 

"You call that small!" Lynn asked.

Cathy began sliding the skin of my shaft towards its 
tip, pulling it until it was bunching around the rim of 
its head. They commented about how loose the skin was. 
She slid her hand back down the shaft, then up and down 
several times. "This is how boys do it. If I kept this 
up for a few minutes, we'd have him cumming." 

Lynn asked how much cum comes out of it, and Cathy 
answered, "A lot! Wait'll you see!"

Cathy asked her friend, "Do you want to feel it?" Cathy 
let go of it, and Lynn reached out one of her hands, and 
tentatively felt it with her fingertips, squeezing it 
lightly, exploring its consistency. She lightly skimmed 
her fingertips along its length, and felt around its 
bulbous head, feeling the softness of the skin, and the 
long slit of its hole; she then explored the head's 
prominent rim, tracing its circumference all the way 
around.

The touch of her inexperienced hand on my erection was 
like fire; something about her unsureness of what to do 
with it was incredibly arousing. It was rock-hard, 
throbbing gently with my pulse, its skin shiny from 
being stretched so tight by my arousal. I sighed 
involuntarily; taking the sound for encouragement, she 
grasped the shaft in her hand and slid its skin up and 
down. Her hand only reached two-thirds of the way around 
its thick shaft.

"That's it, up and down... I want to see you make him 
cum! Wait'll you see! But not too fast, he'll cum too 
soon," directed Cathy. She reached down into Lynn's lap, 
asking her, "Can I do you while you do him? It's so 
hot!" 

Taking her non-resistance as permission, Cathy slipped 
her hand into the waistband of her friend's loose pants, 
and I could see her moving regularly down there.

A drop of cream was building on the tip of my dick; 
Cathy reached out and caught it on her finger, 
demonstrating its sticky and slippery consistency to her 
friend; she pulled her hand up, drawing it out into a 
long filament, which hung drooping, then broke and 
dripped towards the floor. Cathy picked up one of the 
towels we had put by the bed and spread it on the floor 
beneath where I was standing, saying, "We're going to 
need this!"

At Cathy's urging Lynn reached her other hand, and used 
her index finger to spread more cream out over my 
cockhead; I sighed again at the slick rubbing on my most 
sensitive area. Cathy told her to keep rubbing it for a 
while, saying it would drive me crazy.

Lynn was getting that glazed look in her eyes indicating 
that Cathy was doing a good job on her, as she continued 
to do me. Suddenly she sighed, "Oh!" And I knew she was 
cumming. 

Her jacking became unsteady on my erection as she came; 
She was panting, her face flushed; Cathy continued to 
work her, drawing out her orgasm as best she could. It 
was nice and long; evidently Lynn found our scene as 
arousing as we did. She stopped jacking me off as her 
orgasm subsided, holding my cock as she recovered 
herself.

After a moment she resumed on me. I was close myself, 
and watching her cum almost pushed me over the edge; but 
I held on, wanting to prolong this nasty session as long 
as possible. "Do you want another one?" Cathy asked her, 
resuming her movements in Lynn's pants and taking her 
silence for permission, she continued to do her.

I was on fire; Lynn's steady jacking was milking a 
flowing stream of cream from my cock, which trailed in a 
ribbon to the towel below, swaying gently with each 
stroke of her hands on my shaft. I felt my legs 
threatening to buckle, as I felt a huge orgasm steadily 
approaching. That amazing feeling when all the fluids 
begin pooling in my balls and prostate was building, and 
the skin in my hands and feet was starting to tingle. I 
felt the tingling grow and spread to my entire arms and 
legs, building in as a fire towards my midsection; my 
body was growing rigid, and I felt my balls tighten as 
my erection swelled even further; a bright light 
suddenly went off in my head, and I came.

Lynn watched intently as my hard-on started bouncing as 
I came. The first jet of semen shot from my cock, 
landing on the sofa next to her with a splat, followed 
by another on her and then and another. My erection 
jumped an inch as it was seized by each powerful 
contraction, and another rope of cum followed the last. 
It was a good one; I kept cumming and cumming, until 
finally the spurts of cum settled down into a pulsing 
flow that ran down my cockhead and over her hand, 
dripping to the floor.

Cathy was pouring it on doing Lynn as I came, judging by 
the motions in her pants; and a few moments after my 
orgasm subsided, Lynn's eyes drifted closed and she 
sighed thickly with each breath out as she came again. 
She grabbed Cathy's hand and ground it into her crotch 
while she came, finally releasing it as the waves of 
orgasm diminished, releasing her to normal 
consciousness.

I slumped down on the sofa next to them as Cathy wiped 
up the sofa where I came and then Lynn's blouse. "You 
missed the towel!" she giggled, then tossed the wet 
cloth onto the floor.

"Well, what did you think of that?" asked Cathy, as Lynn 
recovered from her orgasm. They talked about how amazing 
it was watching me cum, and Cathy complimented Lynn on 
doing a good job on me.

Finally I got up, knelt on the floor in front of Cathy, 
and said, "Now it's your turn!" 

I pulled up her short skirt, and slid her cute panties 
down her nicely trim legs and off her feet. She opened 
her thighs obligingly, and Lynn and I moved our hands 
into her crotch. Her inviting slit was swollen and quite 
wet, her puffy clit projecting out prominently from the 
top of her inner lips, her thick labia pouting in 
arousal. 

"You take the top, I'll work on her inside," I 
suggested, and slowly slid my index and middle finger 
into her dripping pussy as Lynn put a finger on her clit 
and began fingering it.

Cathy sighed and leaned back on her elbows, watching us 
as started to work on her, then she was lying back on 
the sofa, breathing deeply, her eyes closed. She came 
almost right away, no doubt excited from doing Lynn and 
watching her do me. She cried out as she started 
cumming, and I could tell it was one of her big ones. A 
fountain of girl-cum spurted out of her slit as the 
first contraction hit her, all over my face and running 
down her ass-crack. Her pussy clamped down hard on my 
fingers spastically as she came, again and again. Lynn 
rubbed her clit fast until the waves of orgasm that 
gripped her whole body over and over subsided.

"Wow!" blurted Lynn as she surveyed the aftermath of her 
orgasm, "You really get wet!" 

I explained how when Cathy had one of her big ones, she 
actually shot off cum like a boy does. 

"Wow!" she said again' "That's so cool! I'd like to do 
that! How do you do it?"

Cathy explained that she didn't know, it just happened 
sometimes; it had never happened to her old friend she 
used to mess around with. Lynn said she'd never seen it 
either, but it looked really cool. "I guess you're the 
hardest cumming girl we know!"

We straightened up the room and cleaned up as best we 
could, and Cathy went and put a load of laundry in to 
remove the evidence of our hanky-panky. "That was great! 
Thanks for letting me..." Lynn told me as she was 
leaving. 

I smiled, "You can do it with me anytime you want," I 
grinned. Cathy agreed it was great, and we all said we'd 
like to do it again sometime soon.

***

That weekend Cathy and I were particularly ardent. On 
Saturday morning I went inside her again, and she had 
one of her big ones. It was amazing; while she was 
cumming it felt like she was peeing on me. Of course 
mine was big too, after experiencing that; I came so 
much, it oozed out the bottom of the rubber around the 
base of my shaft.

Sunday afternoon while Dad was out we did each other 
with our mouths, and Cathy let me make her cum two 
times. She swallowed all my cum, without gagging. She 
was getting really good at that.

On Monday after school we sat around the kitchen table 
having a snack, and Cathy told me she'd talked to Lynn 
about last Friday. "She was amazed. She said she'd never 
felt so hot since the first time her friend did her. She 
said how much she liked making you cum. She made me tell 
her about everything we'd done together, and I did. She 
wants to try having your cum in her mouth next time. I 
told her how much I liked that and how nasty it was and 
she's all excited to try it."

I felt a surge of lust at the thought. Somehow the 
thought of being the first one to do something nasty 
with a girl was especially exciting, and I felt my groin 
swelling as I pictured it. Cathy could evidently see how 
I was feeling, and led me upstairs and jacked me off 
quickly, fast; I came in three minutes, and she 
swallowed it all.

***

Wednesday after school was the next time Lynn could come 
over. As I arrived home they were already there, and I 
found them up in the spare room. There was a pile of 
towels on the end of the bed; they both had their pants 
off and were already doing each other, both at the same 
time, lying on the bed with each of their heads towards 
the other's feet, so they could see each other's pussy 
while they masturbated it.

I watched them, my cock swelling. They were both very 
nasty girls; they were intent on doing each other, 
moving their hands slowly and very deliberately, working 
to wring the best orgasm they could from each other.

I think knowing they were being watched added to their 
excitement; anyway shortly after I entered the room they 
climaxed. Cathy came first, but Lynn started before 
Cathy's had finished, so they were both cumming at the 
same time for a few moments. Their orgasms lasted a long 
time, but it looked like Lynn came a bit harder than 
Cathy, at least judging by what I could see.

I had my pants off and my underwear down already before 
Cathy started cumming and I stroked my hard-on slowly 
until after Lynn had finished. I stopped jacking off 
when the girls sat up; they both said, "Hi," and Cathy 
suggested that we take a break while they recovered; she 
went down for sodas, and I sat on the bed next Lynn.

We both had our pants off, my erect cock poking up from 
my lap shamelessly, its head bobbing in front of my 
solar plexus. Lynn gazed at it, telling me how Cathy had 
told her about how much she liked it when I came in her 
mouth and that she wanted to try it, too. I answered 
that I knew, Cathy told me about their conversation. 

Lynn then reached over and idly felt my cockhead, 
stroking it very lightly with her fingertips; I sighed, 
and settled back onto my elbows, my erection projecting 
out much farther, more accessible to her touch.

Cathy reentered the room, saw what we were up to, 
paused, then walked over to us and handed us each a 
soda. "You better let up, you'll have him cumming all 
over the place in no time like that!" she warned. 

Lynn stopped her tickling, and we all sipped our drinks; 
we watched my hard-on bobbing gently to my heartbeat as 
we drank. The girls chatted excitedly, mostly Lynn 
asking Cathy about the things she'd admitted we'd done.

"What's it like having it in you? Did it hurt the first 
time? When he cums in your mouth, what do you do? Do you 
swallow it all? He cums so much! Was it hard to learn 
how to handle it?" and so on. 

Cathy fielded her questions, reassuring her, and giving 
her specific tips about her techniques.

Cathy leaned over me, demonstrating what she was 
describing, as she showed Lynn how she put her mouth 
over the head of my dick when I was cumming, and how she 
jacked me off at the same time, actually doing it to 
illustrate. Then she told Lynn, "Why don't you try it?"

Cathy let go of my rod and leaned back, making room for 
Lynn; who tentatively grasped the base of my shaft, then 
took half its head into her mouth, and started jacking 
it. Her tentative movements were excruciatingly 
exciting; she took her mouth off of it, asking Cathy, 
"Like that?" while continuing to jack me off. 

"Yeah, that's good... just keep doing him, and you'll 
get to find out pretty soon."

Lynn kept doing me, while Cathy gave her pointers. She 
told her how to jack it farther down the shaft if I was 
getting too hot, and it would move me to orgasm much 
more slowly; she showed her how to kiss and lick its 
head every now and then, it sent me through the roof, 
but not too often; she taught her two handed jacking, 
and to tickle my balls while she did me; and much more.

Lynn tried out each of the techniques as they were being 
described, until she got Cathy's approval on that 
particular move. I was burning up, rock hard, and quite 
wet, both from my cream and her saliva. I warned them 
that I was getting close to cumming. They discussed 
whether she should back off or make me cum then; they 
decided to back off.

I sat up onto my elbows, and we all had a few more sips 
of soda while I cooled off. "You're doing pretty good, 
holding up under all the things I've been having Lynn 
try out on you. She's going to be an expert soon, under 
my excellent instruction!" Cathy joked, a twinkle in her 
eye. She took a towel and blotted my erection, balls, 
and pubic hair, which were all getting pretty wet.

We chatted more while I cooled down, waiting until my 
erection deflated a bit from the angry red, swollen 
rock-hard state they had got it into.

After several more minutes, they decided to start in 
again. Cathy said she would back off and let Lynn do me 
however she liked, trying out the various techniques 
they had been working on.

Lynn started by having me scoot down so my hips were on 
the edge of the bed, my feet on the floor and my legs 
spread, while she knelt on the floor between them. She 
began by giving my shaft several long, slow licks from 
my balls to its tip. She then started slowly jacking the 
lower half of its shaft, kissing the head noisily every 
minute or so.

After several minutes of this I was again creaming 
heavily, and seeing this, she smeared the cream around 
its head, swirling it rapidly for a few moments with her 
fingers; I sucked in my breath as the intense, burning 
pleasure shot through my groin. She stopped suddenly, 
just holding my cock for a few moments, not moving, 
letting my excitement subside a bit. Then she resumed 
her slow, steady jacking of the lower end of my shaft.

The cream was streaming steadily over its head and down 
the shaft, spreading around the shaft by her jacking so 
that with each stroke of her hand there was a sloppy, 
slurping sound. It was getting wet enough that her hand 
started sliding over the skin, and she took advantage of 
this, every eighth stroke or so sliding slowly all the 
way up the shaft, over the head, and off it altogether, 
squeezing it from her hand as she passed the tip; then 
she would go all the way back down again, repeating the 
cycle.

I was burning up; I was panting, thrusting my hips 
forward involuntarily; random throbs were gripping my 
cock, as orgasm neared. I warned her I was close; and as 
she leaned forward and clamped her mouth onto my 
cockhead, sucking hard, Cathy joined in, reaching out 
with both hands to fondle my balls.

I felt my orgasm taking possession of my senses; as my 
body grew rigid, paralyzed, my cock swelled even 
further, and jumped as the first jet of cum surged 
through it, spurting out into Lynn's waiting mouth.

She sputtered, but kept sucking; spurt after spurt of 
semen flooded her mouth, and after the third she gagged, 
choking, and started coughing; Cathy leaned forward 
quickly and took over, taking the last five or six jets 
into her mouth, demonstrating her expert blowjob 
technique to Lynn, as she recovered from her near-
drowning.

Under the excitement of getting done by these two eager 
girls and the prolonged, multiple techniques they had 
been using on me, it was a big orgasm. I came hard, and 
even though Cathy took over halfway through, she still 
got a mouthful of cum. She sucked me until the last few 
weak pulses of orgasm gripped my cock, then stroked it 
firmly upwards several times, squeezing the last few 
drops out, into her sucking mouth.

I lay back, passed out in the delirium of orgasmic 
release, for I don't know how long. The girls were 
excitedly chattering, conducting a post-mortem on our 
adventure. "God, I don't know how you can do that! He 
shot so suddenly, and so hard! I was choking on the 
first one... and then, when I'm just getting over it, he 
shoots another and another! And there's so much! How do 
you do it?" 

Cathy explained how she discovered using her tongue to 
block the jets from hitting her throat, giving her time 
to swallow; and how you had to be careful to time your 
swallows with the spurts as I came. "Don't worry, 
exactly the same thing happened to me the first time I 
tried it! The next time you know what to expect, so you 
can handle it a lot better. By about the fourth or fifth 
time I got the hang of it... but I still get surprised 
sometimes, especially when he cums really hard!"

I was coming to myself and sat up; both girls smiled at 
me. Lynn asked, "How'd I do?" I smiled, and said, "The 
reason you had a hard time was because you made me cum 
so hard! You were really great! So the problem is how 
good you are at it... if you hadn't done me so well I 
wouldn't have cum so hard, and it might have been easier 
to handle." She beamed and blushed at the same time, as 
Cathy complimented her too on her excellent style.

The girls asked each other if they wanted to go again, 
or if they were done, and they agreed that they'd had 
enough; then Lynn said she probably wouldn't mind, it 
was so exciting doing me; so Cathy and I pushed her 
back, and gave her the same treatment she and I had 
given Cathy the last time, except I took the top and 
Cathy the inside.

We did her hard, and after a few minutes she was 
breathing hard. I stopped rubbing her, leaned forward, 
and started licking and sucking her clit. She gasped as 
she felt my mouth on her cunt, and in only a few more 
minutes, we had her cumming again.

Even though it was her second time that afternoon, she 
came pretty thoroughly; I sucked her clit hard while her 
pussy throbbed, and Cathy worked her fingers in and out 
of her cunt. As it subsided she sighed deeply, a big 
grin growing across her mussed face as she stretched. 
"Wow, it's great getting done by both of you at once!" 
she exclaimed throatily, "I could do that all 
afternoon!"

Cathy said that maybe we would one day, but that she 
thought the next time we got together she should try 
having me inside of her, if she wanted. Lynn's face 
beamed, and she said, "I was hoping you might suggest 
that! That's what I really want to try!" 

I felt a rush of excitement shoot through my loins as I 
pictured what our next session might bring... 

END

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This story was written as an adult fantasy. The author
does not condone the described behavior in real life in
any way, shape or form. Anyone tempted to act out any 
of the scenarios in this story should seriously consider
seeking professional help.
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Kristen's collection - Directory 80