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Title:       Big Sister, Part 2
Story Codes: tg, mf, teen, inc
Author:      Christian Alan
Summary:     As a boy, it's not easy growing up with a sister who
             has a bigger dick than you do.  	

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Two


A month went by. Cassie and I messed around a few more times but
we didn't really do anything different. Then it was my fourteenth
birthday. Cassie had hinted earlier that she was going to give me
something 'special.' Of course with her that could mean anything,
so I wasn't sure if I should be excited or afraid. I ended up
forgetting about it entirely until the night of my birthday.

Everyone had gone to bed. I was almost asleep when I heard the
quiet noise of someone opening my door. I rolled over on my back
to look, and in the dim blue glow from my alarm clock I could see
it was Cassie. She didn't say anything, she just sat down on the
edge of the bed and pulled the covers down to my knees. I was
wearing only a pair of briefs. She reached out and put her hand
flat on my stomach, resting it there for a second before running
it slowly down along my thigh. I didn't know what she was
planning, but the way she was touching me was quickly getting me
hard. She seemed to notice and moved her hand up over my crotch,
rubbing my hard-on lightly through my underwear. It felt great.

Cassie tugged my briefs down and leaned over, seeming to look at
my dick for a while. Then I held my breath as she suddenly
grabbed my cock and lowered her head down over it, sliding it
almost all the way into her mouth before she started moving her
lips and sucking. Oh. My. God. It felt so warm and wet. My whole
body started trembling and I felt my hips pushing up like I was
trying to hump her mouth. I hadn't imagined that anything could
feel so good.

It only took her a minute or so to make me cum, and all I could
do was lay there and gasp as I felt my dick jump and start
exploding in her mouth. Cassie slowed down but didn't stop. I
couldn't tell if she was swallowing it or not, but she didn't
take her mouth away even after I was done. I was still so hard it
almost hurt. When it was obvious that I wasn't going soft she
started blowing me again, holding my cock around the base while
she rubbed my thigh with her free hand. I watched her head bob up
and down, thinking how incredibly hot it was that she was sucking
my dick. This time I lasted a lot longer and was able to enjoy it
more. When I came in her mouth again it was over with quicker
than the first time, but it felt even more intense.

Cassie let go of my cock and sat up, wiping her chin with the
back of her hand. She looked at me and grinned as she smacked me
lightly on the thigh.

"Happy Birthday, Knob," she whispered.

"Thanks." I meant it. That was easily the best present I'd ever
gotten. She threw the covers back over me and left. I fell asleep
almost immediately.

* * *

More time passed. I started becoming friends with a girl I knew
at school. Her name was Gail and she was kind of shy and nerdy,
but in a cute way. We were hanging out more and even went over to
each others houses a few times, though it still seemed like just
a 'friends' thing. There were plenty of times when we were alone
together but I was too nervous to try anything. I wasn't sure
that she wanted me to anyway.

Then Gail mentioned that her parents were taking a trip and
wouldn't be home all weekend. She seemed even shyer than usual
when she asked if I'd like to come over on Friday night after
they left. I think I said yes, though my pulse was suddenly
pounding so hard that it drowned everything out. My imagination
was racing all week long as I wondered what she had in mind. I
wasn't really expecting to get in her pants or anything. Despite
what had already happened with Cassie I would've been happy just
making out with a girl, even though I was worried I'd mess it up
somehow.

By Friday afternoon I was so nervous I could barely keep still. I
was sitting on my bed watching the clock when a sudden sound from
my doorway make me jump. It was Cassie, standing there with a
smirk on her face.

"Lemme guess," she said, "you're sneaking over to your
girlfriend's house tonight." My sister leaned up against the door
and crossed her arms, the teasing grin never leaving her face.
"Want me to buy you some condoms? Lube maybe?"

"We're just friends, ok?"

"Yeah, right. That's why your hands are shaking. What, you afraid
she's gonna molest you and take your precious virginity?"

I glared at her, hoping her head would melt.

"Well fine," she said, straightening up and turning to leave. "I
*was* going to offer you some advice, but if you're just gonna be
a little douche, forget it."

I sat there for a few minutes as I fought a painful battle with
my ego. When it finally surrendered, I got up and went to
Cassie's room where she was busy folding clothes.

"What advice?" I asked, hoping she wasn't just messing with my
head.

"Oh nothing. I forgot you're fourteen now. I'm sure you know
everything there is to know about girls."

I bit my tongue before I could say something stupid, like how she
wasn't exactly an absolute expert on girls either, what with her
cock and all. "Hey, I know plenty. I just don't wanna do anything
that'll gross her out. If something does happen, I mean." I
hesitated, feeling lame. "I haven't exactly made out with a lot
of girls or anything."

Cassie looked at me. "You never even kissed before?"

I stared at the floor, embarrassed.

"Don't sweat it, Knob. Its not hard. Just do it like they do in
the movies." I looked up and saw a wicked grin slowly spreading
over her face. "Help me fold these and maybe I'll show you a few
things."

I helped. When everything was folded neatly and put away, Cassie
sat on the bed and motioned me to sit down next to her. I sat
down, wondering exactly what it was that she planned to show me.

"Okay, the main thing is to start off slow." She said, moving in
and pulling my arm around her shoulders. "Don't get too grabby
and stuff, that'll freak her out. Just get close and the rest
kinda takes care of itself."

I slid myself over further until her body was pressed snugly
against mine, my hand resting on her upper arm. She smelled good.
Cassie turned her face toward me and closed her eyes, her lips
only inches away. I wasn't sure how far she wanted to take this,
but the opportunity was definitely there.

"This is the part where you kiss her, dumbass," she said quietly.

I leaned in toward her, keeping my eyes open to watch her
reaction as I touched my mouth to hers. Her lips felt incredibly
soft and warm. She didn't respond right away, but after a few
seconds she started kissing me back. After a minute or so she
opened her mouth and I felt her tongue pushing against my lips. I
let it in and started chasing it with mine, my dick getting hard
almost instantly. Kisses like that had always seemed gross when I
saw other people doing it, but my opinion was quickly changing
now that it was happening to me.

Cassie was slowly edging herself into my lap as our kissing got
hotter. I pulled her closer against me, feeling her tits pressing
firmly against my chest. She only kissed me harder and slid her
hands around my waist.

It suddenly occurred to me that I was making out with my own
sister. My response to that was to slide my hands down and grab
her ass firmly with both hands. Cassie moaned and started sucking
on my bottom lip. I got the feeling that she wasn't playing
around. I wasn't exactly sure what was happening here, but I did
know that I liked it.

After a few more minutes I let go of her ass and moved my hands
up front. She moaned again as I palmed her boobs. I squeezed them
and she started grinding herself slowly against my lap. I could
feel the bulge of her hard-on rubbing up against mine, and for
some reason that made me hornier than ever. I broke the kiss and
lowered her down onto the bed. I'd seen this part in movies
before too, the part where they get naked and fuck like crazy.

Straddling her, I grabbed the hem of her shirt and pulled it up.
She surprised me a little by raising her arms and helping me take
it off. With that out of the way, I reached under her back with
the intent of taking her bra off too, but I couldn't unhook the
thing to save my life. Finally Cassie did it, and the second it
came loose I caught her naked boobs in my hands and gave them a
firm squeeze. It was my first time feeling them without her bra
in the way, and they felt great. Warm and soft and firm all at
the same time. I leaned in and kissed her again, feeling her
nipples getting harder each time they brushed against my fingers.
I suddenly wondered what they'd feel like in my mouth, and I
decided to find out. I moved from sucking on Cassie's tongue to
sucking on one of her nipples. She gasped and moaned softly as I
switched back and forth from one to the other. She seemed to
really like what I was doing, but I was too damn horny to
concentrate on it for long.

I undid her jeans and pulled them off. Her boxers joined them on
the floor a few seconds later. I was a little surprised that she
wasn't trying to stop me. Cassie usually liked to make things
difficult, but this time she was just laying there with her eyes
closed. Naked. I'd never seen her fully naked before, and I had
to stop for a minute just to take it all in. Her big firm boobs
were rising and falling quickly with her breathing. I moved my
eyes down her flat stomach and over the wide curves of her hips.
Her dick was stiff and sticking almost straight up. I ran my
hands slowly up and down over her smooth legs, suddenly at a loss
for what to do next. She was so sexy that I wanted to touch all
of her at once. I also had an incredibly strong urge to fuck her,
but I couldn't. So I did the only thing I could think of. I
turned her over and undid my pants. I slid them down and off,
then laid down on top of her with my body pressed firmly on hers.
My dick nestled right up between the firm cheeks of her ass like
it belonged there. Her naked skin felt awesome underneath me as I
started humping against her butt.

Cassie was moving too, grinding her big ass up at me in little
circles. It felt great, but I still wanted more. Then I got an
idea. I gathered up a bunch of my spit and rubbed it over both my
dick and the cleft of her ass. When I started moving again, the
slipperyness felt much better. After a minute I decided to try
something different. I took hold of my dick and started rubbing
it up and down firmly over the length of her crack, sometimes
poking it in to see what she'd do. She didn't say anything,
though she was breathing really fast and heavy. I applied a
little more pressure, really liking how it felt to have the head
of my dick wedged firmly between her cheeks.

Suddenly, I felt a sensation like something pushing back against
the tip of my cock. I eased off a little and then pressed in
again. Cassie groaned softly and something seemed to grab at the
head of my dick. It took me a second to realize what it was. Her
butthole. I froze for a moment. I knew that you could have sex
that way too, but it was something I never imagined myself doing.
A weird thrill shot through me, and I just had to see what would
happen if I pushed a little more. She groaned again and I felt
the pressure against the head of my cock increase.

"Wait..." Cassie said, her voice sounding unusually husky. "Top
drawer...vaseline."

I jumped up and went to her dresser. Sure enough, there was a
tube of vaseline in there. It was actually some kid of lotion,
but it was good enough for me. My hands were shaking a little as
I squirted some out and rubbed it all over my dick. I rubbed some
more into the crack of her butt and quickly got back on top of
her. I found the spot again and pushed, this time feeling the
pressure slowly spread around the head of my dick. It was going
into her ass. Then she clamped down on me and I almost came right
there. After a second she relaxed again, and I felt my cock
pushing a little deeper inside. It felt completely awesome. Her
butthole kept clenching at my dick like it didn't want it there.
Cassie was gasping and digging her fingers into the sheets. For a
second I wondered if it hurt, but then I felt my pubic bone come
to rest against the soft skin of her butt and realized that I was
all the way in. Balls deep in her ass.

Instinct took over, and I grabbed her by the shoulders and
started fucking her. It was so intense that I forgot about being
gentle or anything else, the only thought in my head was the
feeling of her butt squeezing down around my cock. Cassie
squealed and squirmed underneath me, her voice alternating from
low grunts to high-pitched squeaks. She might have been trying to
push me off her, but by then I was too far gone. I felt her
asshole grabbing at my dick and her body shuddering underneath
me, and with a final thrust I pushed in deep and started cumming
harder than I ever had before in my life.

I shuddered, my cock jerking spastically in the tight grip of her
butt. As the last pulses faded I fell limp on top of her body, my
head spinning. She was panting and groaning softly, the muscles
in her ass still trying to push me out. I started feeling guilty
at how I'd lost control and I pulled out of her as gingerly as I
could. I checked my dick, feeling relieved when I didn't find
anything nasty on it. I wiped it off with my underwear and sat
down next to my sister. She hadn't moved much. I wondered if she
was ok. I started rubbing her back a little, hoping she wouldn't
hate me. After a few seconds she suddenly rolled over and punched
me hard on the arm.

"Ow," I replied.

"Well that's what you get. That hurt!"

"Sorry." Looking more closely, I saw that the middle of her
stomach and the sheet underneath her were all wet with cum. There
was lot of it, and it sure wasn't mine. "Doesn't seem like it
hurt too bad though," I added, smirking.

She realized what I was looking at and punched me again, but not
as hard this time. She got up and grabbed a towel, seeming
embarrassed as she wrapped it around herself and headed for the
bathroom. I gathered up my clothes and left, still dazed by what
just happened. I had another hour left before I was supposed to
go over to Gail's, but I definitely wasn't feeling nervous
anymore. When Cassie was done in the bathroom I went in to take a
shower. A minute later she opened the door and poked her head in.

"Just don't expect all your dates to go like that, Knob. You're
not even close to being that smooth." She left before I could
think of a witty response. Anyway she was probably right.

After my shower I went back to my room and got ready. I was still
looking forward to seeing Gail, but I was nowhere near as excited
as I'd been earlier. I'd just had sex with my sister. Real sex.
In the butt. Anything else that happened that day was bound to be
a letdown.



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