Note: This story was dynamically reformatted for online reading convenience.
 
 Title: Ass Play for Siblings


Summary: Bro's new girl likes anal, sis decides maybe she does too.


Keywords:inc,fic,erotic,hot,sex





   Part One: Something New

   ****

   I stood up from my computer and stretched.  It was getting late, pretty
well time for bed.

   I padded on bare feet out of my room and down the hall in just my sleep
shirt and panties.  The bathroom was past my brother's room, but I didn't
intend on stopping in to say goodnight.  He had his girlfriend over, and it
would be rude to interrupt if they were up to anything.

   It was kind of weird for a brother and sister to still be living
together in our twenties.  I wasn't oblivious to that.  All the other
siblings I knew had split up and gone their own ways after moving out of
their parents' homes.  It was different with Logan and me.

   In my mind, there'd never been any question of us not living together.
It just hadn't occurred to me.  Logan probably would have been happy enough
doing the usual thing and going off on his own, but I was pretty sure he
was happier staying with me.  We were cozy, codependent little sibbos like
that.

   Moans of pleasure filtered down the hall as I approached Logan's room.
Yeah.  He was definitely getting some.  Good for him.

   Even better, as I discovered shortly after, Logan had left his door
cracked open.  I grinned and glided forward like a ninja to take a peek
without disturbing anything.

   I couldn't see much of the action through my sliver of exhibitionist
light, but there was no mistaking the action inside the room for anything
other than fun sexy times.

   Erin, Logan's girlfriend, was naked and on all fours on his bed.  My
brother, equally naked, was behind her, hands on her hips, cock presumably
buried in her.  He was rocking against her, engaged in gentle thrusting. 
Maybe they'd just started or something and he was getting her warmed up. 
Or maybe that was all Erin could handle.  Hard to say.

   Erin shifted her position, leaning farther forward to bury her face in a
pillow.  Her moaning became muffled and, more importantly to me, she wasn't
able to see much of anything.

   I took my opportunity to carefully push the door a little wider open. 
Logan caught the movement, as I'd assumed he would.  He turned his head
toward me and grinned.  I smiled back and flashed a thumb's up sign.

   What the hell, gentle sex or no, Erin was pretty hot.  He'd done ok for
himself.

   Logan's attention was already back on his girlfriend, as well it should
be.  I decided to watch another minute or two, then leave them be.

   It was kind of fucked to enjoy watching my big brother having sex. 
That, too, was known to me.  It had just never seemed like much of a big
deal to me, and Logan had never minded.  Actually, I was pretty sure he
liked being able to show off for someone.  'Ooh, look at the girl I'm
banging, hot right?' kinda thing.

   I slipped a hand under my shirt and ran a finger over the front of my
panties.  Starting to dampen.  Probably time to get moving then.  I didn't
want Erin to catch me standing there masturbating like a total perv.

   Then I realized what I was actually watching.

   Logan grabbed Erin's ass cheeks and, possibly for my benefit, spread
them wider.  My eyes bugged and I stifled a gasp.  He wasn't in her pussy
at all.

   A few little things clicked in my head once it became clear they were
doing butt stuff.  Of course he was being gentle, he'd have to be.  And
Erin's slightly awkward position was to facilitate entry into an entirely
different hole than what I'd expected.  Goddamn.

   Despite firmly wanting to control my masturbatory urges, I couldn't help
fingering myself a little.  Just over my panties, nothing excessive, just
enough to take the edge off.

   Logan was butt-fucking his girlfriend right in front of me.  No wonder
he looked so self-satisfied.  He looked that way during and after sex
anyway, but his smugness was even more pronounced this time.

   His idea or hers, I wondered.  She certainly seemed to be enjoying
herself as much as he was.

   I'd never much liked the idea of putting things up my butt.  Nor,
indeed, had I met anyone else who openly enjoyed it.  I'd seen such things
on the internet, of course.  It was far from the grossest fetish I'd
explored online out of curiousity or horniness.

   Real life was something else entirely.  Logan and Erin weren't just some
naked actors on my computer screen, they were people I knew.  And they were
actually there, right in front of me.  I could have run in and touched
them.

   My fingers slipped beneath my panties.  I was getting so goddamn wet
down there.  I bit my lip and fingered myself a little while longer, then
reluctantly straightened up and eased the door closed again.

   Well fuck.  All I wanted to do was go to bed, and now I was a horny
mess. Thanks, Logan.

   I got ready for bed and returned to my room.  I had to fight the urge to
back and perv on Logan and Erin some more.

   I stripped fully naked in my room before making a selection from my 'toy
box'.  Some play time was going to be essential if I wanted to get to
sleep.

   I opted for my favourite purple dildo and decided against bringing my
bottle of lube along.  There was no need for it.  My little pussy was
already drenched.

   Alone in my room, door closed, lights off.  Perfect.  I snuggled
comfortably on my back and closed my eyes.

   The scene of anal debauchery was still fresh on my lids.  Logan grinding
on Erin's ass, the delirious moans they made, that thrill of illicit
discovery when I'd realized what hole my brother was using...

   With slow, delicious anticipation, I pressed my dildo to my pussy.  It
entered smoothly, filling me up nicely until I was completely stuffed.  It
was my favourite toy for the very reason of just how perfectly it matched
my vagina, and how beautifully it satisfied my occasional need to be
thoroughly penetrated.

   I thrust my dildo lazily in and out, gradually increasing the length of
the back and forth motions.  Flashes of mental sexiness accompanied my
self-pleasure, greatly enhancing my masturbation.

   My free hand trailed down beneath my dripping pussy.  Some juices had
already streamed over my butthole.  I swirled a finger over the tight
entrance, massaging in some natural lubrication.

   Could I ever do butt stuff?  I mean, of course I could, if I wanted.  It
was all a question of whether I did, in fact, want.  An hour earlier I
would have laughed and given a firm 'no'.  Anal was for porn stars and cam
girls, not for li'l ol' me.

   But Erin had been enjoying herself.  And Logan too.  Not that either of
their opinions had anything to do with me, but still.

   For some reason, an image entered my mind of my brother peeking in my
room at me getting fucked in the butt.  My pussy clenched involuntarily,
briefly halting my dildo's rhythm.

   What was that even about?  Was it really that hot imagining my brother
watching me get ass-fucked?

   My tummy gave a flutter as I jammed my dildo back inside me.  Yes.  Yes
it was that hot.  For some reason, I really, really liked the thought of
him seeing me be a little butt slut.  Probably it was just the novelty and
naughtiness of it all.  Probably.

   I moaned aloud and arched my back as I kept playing with myself and
allowing my fantasy to get deeper and dirtier.  Occasionally my mind-movie
went so far as to cast Logan as my anal lover.  I felt a tiny bit ashamed
of those visions, but they were also the hottest.

   Me on my knees, face buried in a pillow just like Erin.  Ass stuck up in
invitation.  Logan behind me, maybe smacking my butt a few times.  Then him
inside me.  Inside my ass.

   Getting fucked in the ass by my brother.  Goddamn.

   I came without so much as touching my clit.  Usually it took some
clit-play to get me there.  Not tonight.

   I kept fucking myself through my orgasm, and I was pretty sure I
whispered my brother's name a few times.  I slowed down in synch with the
diminishing of aftershocks, then eventually pulled out my dildo.  It was so
slick.  I sucked on it a bit just for the hell of it.  I liked the way I
tasted, but only when I was in the right mood.

   Shortly thereafter I pulled my blankets up and went to sleep.

   ****

   The house was quiet the next morning.  I crept by Logan's room in my
sleep shirt, knowing there wouldn't be more sexy times to spy on, but
somehow hoping there would be anyway.  It was silent from within so I moved
on.

   I poured two bowls of cereal in the kitchen.  I carried them into the
living room, then grabbed the milk out of the fridge and poured some in my
bowl.  I left the milk on the end table on Logan's side of our awesome,
comfy couch, along with his bowl of cereal.

   Since I was first up today, I got to pick what to watch.  I loaded up
the series I'd been muddling through on Netflix and curled up with my
breakfast.

   Logan awoke not too long after.  I heard him run the shower and flush
the toilet, then eventually make his way to me.

   "Morning," I said.

   "Morning, Kelse." He poured his milk, then sat down beside me.  "How'd
you sleep."

   "Fine thanks.  Not as good as you, I imagine."

   "Ha, yeah."

   I didn't look at Logan.  I knew he was smiling like an idiot.  "She
liked it in the butt, huh?"

   "Yep.  And seriously, she has a great ass."

   "Looked like it."

   We ate in silence for a bit.  Me moreso than Logan.  He'd always been a
faster, slightly messier eater.

   "I never really wanted to do anal," I said.

   "That's fine.  It's not for everyone."

   I frowned at my brother.  "Hush a second.  What I'm saying is I never
used to.  But, like, I'm thinking about it now."

   Logan raised an eyebrow.  He wiped his mouth with the back of his wrist
and set down his empty cereal bowl.  "Oh?"

   "Yeah.  I mean, maybe.  I dunno."

   "What don't you know?"

   "Like...  it was super fucking hot last night, right?"

   "Sure."

   "You and Erin...  goddamn."

   "Got you all horny, huh?"

   "Kinda."

   "Well just make sure you use plenty of lube if you try it.  You don't
want to fuck around and skimp out."

   "Uh...  yeah.  Sure.  Thanks." I waited a moment, but apparently all I
was getting from my brother was 'use plenty of lube.' I was reasonably
confident I could have handled that one on my own.  "I don't know if I'm
gonna try it or anything.  Just thinking about it."

   "Sure, sure."

   Again, not as much input as I was hoping for.  "You're not being very
helpful."

   "Me?  What did I do?  I'm being supportive, aren't I?"

   "You...  you...  just...  nevermind."

   I knew I was being too cryptic for Logan.  He was a boy, and therefore
tended to need big neon signs for hints if he was expected to get it.  I
just wanted some actual discussion, was all.  Some real input on what anal
was like, and whether I should spend time considering it.

   Actually, that wasn't quite true.  I was pretty sure I had to try it, if
only just so I'd know for sure.  What I really wanted was Logan to convince
me to do it.  If I couldn't figure myself out, it probably wasn't fair to
expect him to be able to do so.

   Well, if I couldn't depend on him to sort out my decisions for me, there
were still some things I knew he was good at.

   "Hey, Gun?"

   "Yeah?"

   "I don't have any panties on."

   I felt Logan eyeing me up and down, that slow, lecherous smile tweaking
his lips.  I glanced at him and confirmed that he had exactly the
expression I expected.  My pussy gave a happy little tingle in
anticipation.

   Logan scooted closer until our hips were touching.  I spread my thighs a
bit farther apart.  I stared straight ahead at the tv and took another
deliberate bite of cereal.  It was more fun when I pretended to be ignoring
him.  It made it naughtier and sexier somehow.

   His hand slid warmly up the inside of my thigh and under my shirt.  My
body shivered, and I clenched my fingers tight around my spoon to try and
help control it.  As soon as he touched my pussy, I knew I couldn't help
myself this morning and set the remainder of my breakfast aside before I
spilled it.

   I snuck a peek at Logan, he was staring straight ahead, not even
glancing at me.  I grinned and went back to doing the same.  It had been
something of an in-joke between us ever since we started playing around
this way.  We used to think that as long as we weren't looking, weren't
acknowledging, then it wasn't really that bad.  We'd grown out of that a
bit, but not by much.

   I bit my lip and leaned back even more.  Logan's fingers ran up and down
my pussy, and they were doing particularly luscious things to me this
morning.  Maybe I was still worked up from the night before.  Maybe I still
had overly naughty thoughts consuming me.  Whatever it was, I loved it.

   Logan knew what I liked.  He had years of practice.  He knew exactly how
to tease me, how to toy with my clit, when to slip a couple fingers inside.
He could make me squirm and wriggle with a few judicious twitches of his
fingers.

   I sat there and got played with by my brother just the way I loved it.
He brought me closer and closer until my hips were rocking on their own,
desperate for just that little bit more.  He could draw me out
indefinitely, and some days that's exactly what we did.  Cold winter days
were the best when we spent hours cuddled up together, one of us on the
brink of orgasm until we just couldn't stand it any longer.

   My silence broke as I came.  I few small moans and whines passed my lips
despite my efforts to hold them in.  Erin was still in the house, after
all. I couldn't exactly scream my pleasure to the heavens without alerting
her that something was going on.

   Logan pulled his hand out and sucked his fingers clean.  I smiled
lazily, then leaned over to kiss his chastely on the cheek.

   "Thanks, bro."

   "No problem." He ruffled my hair.  "Anyway, I probably gotta get going."

   "Yeah, sure.  You taking Erin with you?"

   "Not sure.  Do you mind if she wants to sleep a little longer?"

   "Nah.  We've got along ok the couple times we've talked.  I can play
hostess for a bit." I smoothed down my hair.  "I'll have to kick her out
when I head to work, though.  I don't trust her here alone yet."

   "Fair enough."

   I watched Logan leave the room.  If he hadn't gotten laid last night, I
knew he would have been after me for a quick handjob before he left.  I was
totally in the mood for it too.  Oh well.  I'd had my fun.  Mustn't get
greedy.

   ****

   I took a shower after Logan left.  My horniness had been sated, so I
wasn't in there long enough for play time with the showerhead.  I did have
a few thoughts of my brother sneaking in and...  well, I wasn't quite sure
what he'd do.  I had to get him off my mind somehow.  Even for us, my mind
was going way too dirty.

   After getting all nice and clean, I toweled myself dry and hung my towel
up.  I stepped out into the hallway totally naked and carefree.  I
immediately bumped into Erin.

   We both froze for a second, then I shrugged and giggled.

   "Oh, sorry," I said.  "I kinda forgot you were still here."

   Erin smiled back.  I noted that her eyes flicked up and down my body. 
Fair enough.  I was completely naked, after all.

   "Don't mind me," she said.  "But I would have thought you'd be too
worried about Logan seeing you to walk around like that.  My brother's a
straight up perv-ball.  I used to have to watch myself around him."

   Mine too, but she didn't need to know that.  "Nah, I knew he was gone,"
I said with an airy wave of my hand.  It was true, if also a deflection. 
"I wouldn't be so careless if he was still hanging around." That was a
total lie.

   "No, I suppose you wouldn't." She gestured to the bathroom behind me. 
"Anyway, you mind if I..."

   I stepped aside.  "No, please.  Go ahead.  There should be a clean towel
or two in the cupboard."

   "Thanks." Erin gave another quick glance at my lower areas as she
passed. My body was starting to flush from being checked out like that.  I
kinda liked it.  "I'll try to be quick," she said.

   "No worries.  Just as long as you're ready to go by the time I am.  Gun
probably mentioned that, right?"

   "Sure." She cracked a wry smile.  "I get not wanting to leave a strange
girl alone in your house." Then she bit her lip.  "Can I ask you something
though?"

   "What's up?"

   "I've heard you call your brother 'Gun' a couple times.  What's that
about?"

   I shrugged.  "What else do you do for a nickname?  Log?  Logey?"

   Erin considered, then nodded.  "Fair enough."

   I nodded back, then turned and walked away.  It was several seconds
before I heard the door close behind me.  She was totally checking out my
butt.  Totally.

   ****

   Delicious smells greeted me upon returning from work that evening.  I
inhaled deeply as I kicked off my shoes, then followed my nose to the
kitchen.

   Logan was busy at the stove.  I snuck up behind him and wrapped my arms
around his waist.

   "Hey, you," I said.

   "Hey, Kelse.  How was work?"

   "Fine.  You?"

   "Also fine."

   "Good enough.  What ya making me?"

   "Just chili.  Nothing special."

   "'Nothing special?' Au contraire.  I love it when you get all domestic
and shit."

   I gave him a loving smack on the butt before sauntering over to the
fridge and getting myself some juice.  Logan had turned around to watch me
by the time I looked his way again.

   "It's a good thing you're easy to please," he said.  "Because you know
damn well my cooking skills don't extend much beyond the basics."

   "I do.  But as long as you're cooking for me, that's all that's
important, really." I paused and frowned slightly.  "Or are you cooking for
Erin?"

   "Jealous, li'l sis?"

   "Maybe a little."

   Logan laughed.  "Don't worry.  She's not coming over tonight.  It's a
little early in the relationship for spending every night together."

   "Plus it probably doesn't hurt to give her butt a rest," I pointed out.
"If you wanna make that a regular thing."

   "How pragmatic of you."

   "Gotta think about these things, Gun.  I'm telling ya."

   Logan went back to work on our supper.  I sipped at my juice and lost
myself in thought.

   My thoughts were mostly dirty.  I could be a horny little thing at
times, but ever since last night it had been especially bad.  I'd caught
myself daydreaming several times at work, and now that I was in close
proximity to my brother it was even worse.

   "Erin saw me naked," I said.

   I smiled at the way Logan froze and slowly turned around.  "She what?"

   "Saw me naked," I repeated patiently.

   The wheels were turning in his head.  He was trying to figure out why
she would possibly have been around me with my clothes off.

   "Why, exactly?"

   "I got out of the shower and forgot she was still here.  We had a nice
chat.  She totally checked me out, too."

   That got his attention even more that before.  Like many guys, Logan was
very interested in the 'lesbian playtime for male benefit' genre of
reality.

   "Did she really?" he said.

   "Sure did."

   "And what else happened?"

   I tried to hide a smirk behind my cup.  "Well, you know us girls.  She
had to take her top off so we could compare our boobies.  Then we rubbed
our tits together a bit.  Then-"

   "Goddammit, Kelse."

   "What?"

   "That didn't happen."

   "No, it didn't.  But you like imagining that it did." I could see the
slight bulge in his pants and he knew it.

   "Maybe I do."

   "You definitely do.  So anyway, we're both topless and a little turned
on-"

   "I thought you were naked?"

   "Oh yeah.  Right.  So I'm naked and she's topless..."

   I prattled on a bit.  Logan rolled his eyes and went back to his
cookery. I knew he was still listening because of how he kept fidgeting and
tugging at his pants.  Big bro was getting all horny, just the way I wanted
him.

   Once I'd teased him enough, I sidled closer.

   "So," I said.

   Logan didn't say anything.  Probably still pretending to ignore me.

   "Feel like playing a bit?" I asked.

   "That's not a great idea right now."

   I frowned.  "Why not?"

   Logan chuckled.  "You are horny today, aren't you?"

   "Kinda, yeah.  Aren't you?"

   "I'm a boy.  I'm always horny."

   "Right.  So what's the problem?"

   Logan turned and raised his hands.  "I've got onion and spices all over
my fingers."

   I jumped back and slapped a hand protectively over my pussy.  "Bad
brother!  No touching my vagina with those hands!"

   "I think you'll find-"

   "Bad!"

   "-that's exactly what I'm trying to say."

   "Hmph.  Fine then.  I'll just go play by myself."

   "You mean with yourself."

   "That too."

   I flounced off to go masturbate.  Logan and his stupid hands would just
have to stay back and miss all the fun.

   ****

   Part Two: Secrets Revealed

   ****

   My intermingled obsessions with sex, butt play, and my brother
ass-fucking Erin all kind of faded away a bit over the next few days.  They
were still there, but much more manageable.

   I still got a little tingly the next time Logan said he might be
bringing Erin over.  It felt like forever since the last time, though in
truth it had been less than a week.

   I heard the two of them get home late that night.  They were stumbly,
and giggly, and doing that particularly loud sort of sneaking that drunk
people do when they're trying very hard not to wake someone.

   Well that was interesting.

   Logan didn't get super-drunk very often.  Maybe a handful of times that
I knew of.  I wondered if they were even going to fuck.  I really hoped
they weren't both going to get sick and start throwing up everywhere and
whining for me to take care of them.

   I waited in my room until I was pretty sure they were settled in.  I
didn't want to meet them in the hall just in case.

   There was still muted giggling coming from Logan's room as I slunk
toward it.  There was something else too.  Sex sounds, I thought.  But
something not quite right about them.  Something I couldn't quite place.

   His door was wide open.  That wasn't right.  I made each footstep slow
and silent as I neared my vantage point.  I had to know what was happening.

   My gasp sounded loud enough in my ears that I would have totally failed
ninja school.  I hadn't been prepared at all.  Logan butt-fucking Erin last
time had been unexpected.  The reverse was something else entirely.

   Somehow, in their drunken, horny, bumbling states, Logan and Erin had
taken their relationship to an even kinkier level.  My brother had taken
Erin's position from last time; on his knees, face down, ass up.  She was
behind him wearing a strapon and, from the look of things, slowly working
her way into his butt.

   And they just kept giggling.  Every time she moved, or he lost his
balance, or even for no reason at all.  They were thoroughly enjoying
themselves, it seemed.

   It didn't seem right.  It was so fucked up.  Something even more out of
an internet video than regular anal.  Something I couldn't believe Logan
would actually be into.  But there he was; laughing, getting penetrated,
loving it.

   And there I was, watching.

   Goddamn but I couldn't stop watching.  I couldn't have explained why,
but I was entirely enthralled.

   That dildo attached to Erin's hips just kept disappearing in my
brother's ass.  The further it went, the more Erin thrust, the more
entranced I became.  My eyes were wide, my pussy aquiver.  I was getting
seriously turned on.

   Logan let out a particularly loud groan as Erin buried her strapon to
its deepest point yet.  She pressed her finger to her lips.

   "Shhh," she hissed.  "You'll wake her."

   Logan laughed.  "Tol' you.  She's gonna come wash.  Watsssh.  Watch."

   "No she won't, you sicko." Erin giggled.  "Yer sisser's not gon' watch."

   They carried on like that.  I wasn't sure what to make of their
argument. It sounded an awful lot like Logan had told Erin about some of
the stuff him and I got up to.  That wasn't right.  No one else was
supposed to know.

   And yet, there wasn't an ounce of irritation to be found in me.  My
beautiful, naked brother was getting drunkenly pegged by his hot, naked
girlfriend.  I was aroused beyond all reason.

   I didn't have any panties on.  That made it super convenient to stick my
hand under my sleep shirt and start rubbing my pussy.  My little slit was
so wet already.  Some of my juices were already escaping down my thighs.

   How long had I been standing and staring?  My sense of time eluded me.
The show was just too fascinating.

   Finally, in a move that would have won him his argument long ago, Logan
looked up toward the doorway and spied me watching like a total perv, hand
figuratively down my pants.

   "Ha!" Logan said.  "Tol' you."

   Erin followed his gaze.  "Oh shit, yer right."

   Having been caught, I stepped forward out of my flimsy concealment. 
"Uh...  hey."

   Erin crooked a finger.  "C'm'ere, Kelsey."

   I padded another few steps closer.  I surreptitiously wiped my soggy
fingers on the back of my shirt.

   "So, like..." I said.  I didn't know where to go with the sentence and
just let it trail off.

   "Logan's been tellin' me s'me inneressing fings," Erin said.

   "Has he, indeed?" I glanced at my brother, but he had his face buried in
his pillow again.

   "Ver' naughty fings."

   "I see."

   "'Bout you two."

   "He shouldn't have done that."

   "I diss'gree.  I'm ver' happy he tol' me."

   "You're drunk."

   "True.  He's m're talka...  talk..." Erin paused a moment then
enunciated carefully.  "Talkative...  when he's a li'l drunk.  You know
tha'??

   "Seems that way, doesn't it." I sat on the bed and ran my fingers
through Logan's hair.  That sweet, stupid bastard.  "Somehow, you don't
seem too mad about it though."

   "M'not, really.  But..." Erin waved her hands like she thought she was
communicating with them.

   "You didn't believe him?" I guessed.  "You wanted to know how much was
true?  And hell, you probably decided you wanted a little revenge if it was
true."

   "Ha!  Yuss.  Wazzn't 'venge though.  Just fair.  He let you wash me ge'
fucked.  He hassa do same."

   I nodded.  "This all makes a bizarre sort of sense.  I'm not convinced
you'll feel the same about it in the morning."

   Erin shrugged.  "We'll see."

   She grabbed Logan's hips with both hands and gave a firm thrust into his
ass.  She'd been going slow and inconsistently while talking with me, and
her sudden return to action got a series of low grunts from my brother.

   I was trying to focus and process, but I was right next to them now and
could see absolutely everything.  Mostly I was just horny as fuck.

   "Does he do th's a lo'?" Erin asked.

   "Sorry?  What?"

   She pointed at where her attached dildo was sliding in and out of
Logan's butthole.  "This.  Does he do a lot?"

   "What, get butt-fucked?  No.  First time as far as I know."

   "Huh.  T'kin' it rea' well."

   I nodded.  He really was taking it well.  "He's incoherently drunk. 
That might help."

   "Migh'."

   I sat there and played with Logan's hair.  It was more than a little
surreal.  Realistically, one or all of us should have been freaking out for
one reason or another.  Instead, we were all just being horny little fucks.

   Since I couldn't really make things any weirder, I gave in and resumed
my earlier masturbation.  The movement of hiking my shirt up past my waist
and inserting a pair of fingers into my pussy attracted some attention. 
Logan's I didn't mind.  Erin's, however, made me blush.

   The way she stared at me was distracting and confusing.  Part of it, I
thought, was a dawning awareness of the kind of things Logan and I were
comfortable with around each other.  The way she bit her lip and watched me
play suggested she was extremely ok with it.

   Logan was lucid enough to recognize that his sister's pussy was bared
for him.  He may not have been totally aware of the consequences of acting
on that knowledge.  Erin had been totally up for it so far.  I had no idea
where her line was, or what would happen when he tried to bury his face in
my vagina.

   I fended off his first few attempts at getting between my legs.  Erin
seemed bemused, then shocked, then simply curious.  She stopped fucking
Logan and let him try to shift to a better position.

   I shrugged and gave in.  I swung a leg past my brother's head and
splayed my wet cunt out for him.  He dove in like an eager puppy that was
finally allowed its treat.

   "Wow," Erin said.

   My face was still hot, but it was hard to stay embarrassed with my
brother's tongue at work.  "Yeah," I replied.

   "You two're crazy." Erin started rocking her hips again.

   "We don't do this a lot," I said defensively, as though somehow that
made it better.

   "You don'?"

   I debated for a second, then went with the truth.  What the hell. 
"Mostly just special occasions.  Birthdays or Christmas or whatever.  Or if
one of us is having a bad day." I shivered as Logan flicked his tongue over
my clit.  "Mostly we just do hand stuff." 

   "Han' st'ff?"

   "You know.  Hand jobs.  Fingering.  Not, like, incesty or anything. 
Just messing around.  Doing something nice for each other."

   "Sounds pr'tty 'cesty to me."

   I nodded in surrender.  "Ok, that was a pretty weak excuse.  I dunno. 
I'm just kinda hoping you don't judge us too bad when you sober up.  I
think Gun really likes you."

   Erin giggled.  "Well I like 'im too.  An' you.  You two're sexy."

   "Thanks?"

   She leaned forward to the point of almost losing her balance.  She
giggled some more, then took my shoulder and pulled me in for a kiss.

   It was an unexpected gesture, though kind of nice.  Her lips were soft
even if they tasted strongly of rum.

   "Ver' sexy," she said.

   I shrugged.  "Alright, what the hell." I pulled my shirt all the way
off, leaving myself just as naked as Logan and Erin.  Might as well fit in.

   Erin smiled broadly.  She kept pumping my brother, he kept licking me,
I...  well, I kinda just kept being there.  And it was awesome.

   Erin eventually took pity on Logan, not that he'd yet realized he needed
it.  She grabbed his cock from behind and jerked him off along with
continuing to pound his ass.  She held her other hand beneath his cock as
he came and milked him into her palm.

   I was absolutely delirious with arousal by then.  Logan fell away from
both me and Erin as he was spent.  That was disappointing.  However, Erin
then offered me her cum-filled hand.

   I looked at her.  She quirked an eyebrow and stared right back.  After a
suitable moment of pretending like I didn't want to dive right in and lap
up my brother's cum, I dove in and lapped up my brother's cum.

   I couldn't believe I was cleaning Logan's cum off another girl's
fingers. My pussy was on fire.  I licked and sucked and got every little
bit of him off her skin.  Then, before swallowing the last of it, I
launched myself at Erin and kissed her fiercely, giving her a taste of what
I'd just consumed.

   Some of my insane passion faded as we pulled apart.  I was still horny
as fuck, but I forced myself to take a deep breath and try to regain some
control.

   "I guess I should get going," I said.

   "Why?" Erin asked.

   "Well, for one, Gun seems to have fallen asleep on us."

   Erin found that terribly amusing, but she still grabbed my arm as I
tried to leave.  "M'not r'dy to slep yet.  Din't even cum or nuffin'."

   "Oh.  Well...  what do you want me to do about that?" I held my breath,
assuming she was about to suggest something naughty.

   "Dunno," she said.  "But at leas' le's get some water.  M'thirsty."

   I deflated somewhat, my insane guess proven wrong.  Not that I wanted to
fuck her, but horny little me had somehow hoped she wanted to.  "That's
probably a good idea.  Try and bring down tomorrow's hangover while we're
at it."

   ****

   Erin and I stayed up a little while.  Our quest for water ended up being
more a midnight snack kind of deal.  It had been a long time since supper,
and sex had depleted us a bit.

   Neither of us put any clothes on, though she at least removed her
strapon.  It was just us two naked girls sneaking around like teenagers in
the night.  I wasn't sure why we felt the need to be quiet and stealthy
since Logan was the only other one home, and he slept the sleep of a drunk
boy well fucked.

   I was still horny and it felt kind of naughty pretending like we were
doing something bad, so I went with.

   "I still can't believe you let your brother eat you out like that," Erin
said.  She'd sobered up enough that her speech was basically
comprehensible. "That's so crazy."

   "I don't know why more girls don't," I countered.  "I mean, friends with
benefits are a thing.  Logan's sorta like that, only more convenient, you
know?"

   "Oh my god.  Yeah, right.  Brother with benefits." Erin giggled.  "So
seriously though, I know you didn't want me to think you guys are freaks,
but it's a little too late for that, so just be honest.  You two fuck,
right?"

   I gasped in a mix of real and mock shock.  "Of course not!"

   "What do you mean 'of course not?' You mess around, you get him to lick
you, you do...  stuff.  I don't understand how you wouldn't have fucked."

   "You sound like you want us to.  Now who's the freak?"

   Erin grinned without shame.  "Guilty.  Maybe I'm still just horny from
before, 'cause it's not really something I'm usually into.  But I dunno,
you and Logan...  together..." She shivered.  "The more I think about it,
the more I see, the more it really works for me.  Maybe it's just because I
find you both super hot.  Maybe it's not the sibling thing at all."

   "Yeah, maybe." I paused and tilted my head.  "You think I'm super hot
too?"

   "Well duh."

   "So you're, like, into guys and girls?"

   "Kinda.  Mostly when I'm hella turned on.  Usually guys, though.  How
'bout you?"

   I considered the question.  I was mostly only ever into guys, but I
wasn't averse to doing stuff with girls.  Especially, like Erin said, when
I was 'hella turned on.' For instance, I did find myself constantly drawn
to staring at Erin's naked body.  It was only fair.  She kept checking out
mine.

   "Kinda the same, I guess."

   She gave me a mischievous grin.  "Well, we're both hella turned on right
now, right?"

   I hesitated only briefly before answering.  "Sure?"

   "So...  you wanna mess around a bit?"

   I laughed.  "Oh my god.  You're Gun's girl, and he's not even awake."

   "So?"

   "So...  I don't know.  It doesn't seem right."

   Erin gave me a disbelieving look.  "Kelsey, the stuff you and your
brother do...  I can't believe you're taking issue with this all of a
sudden.  I mean, you watched me the other night without me even knowing,
right?"

   I shrank back a bit.  "Well-"

   "Don't get me wrong, it's cute that you don't want to hurt your brother
or whatever.  But I seriously need to cum, and I feel like you owe me."

   "You think so, do you?"

   Erin got out of her seat and walked over to me.  My chest got all
fluttery as she neared.  "I also think you probably want to play as much as
I do."

   "What, just because we're both naked and horny, and we definitely need
to get off before we try to sleep, and we just did that thing with my
brother, and..." I paused.  "Yeah, you're right.  Let's go fuck."

   Erin squealed in delight and dragged me out of the kitchen.  We giggled
nervously all the way to my room.

   I didn't know about her, but I'd never actually had sex with another
girl.  I told myself I was only going along with her because I was so
worked up already, but it was more complicated than that, and I really
didn't have it in me to work out all the nuances.

   "Please tell me you have toys," she said as she visually scanned my
room.

   I beamed.  "Do I ever."

   Erin was dutifully impressed when I got out my collection.  For the
first time, I was kind of regretful not to have any anal toys.  I'd never
been interested before.  Most everything else was well represented.

   She cooed over the selection, and was several minutes making a decision.
"I think I need something in my ass," she said.

   "Oh?  So the whole butt sex thing was your idea after all?"

   "Only kinda.  I have been getting into more lately.  It's so deliciously
naughty.  And it feels great when you do it right." She made a face.  "I
avoided it for so long because of some bad experiences a while back."

   "And now you're a butt slut?"

   She actually blushed.  "Well...  I wouldn't go that far.  But yeah,
kinda." She shook her head.  "Anyway, help me pick something out here,
would you?"

   And that's how I ended up helping my brother's girlfriend shove a dildo
up her ass.  Not the sort of activity I'd pictured, really.

   It was pretty fun though.  All new and novel, and kept me pretty worked
up.

   Lubing up Erin's ass involved her lying on my bed with her butt stuck up
at me, then me rubbing and eventually fingering her butthole.  She gave
little moans of encouragement which initially confused me, but slowly I
came to appreciate the sense of vicarious pleasure I got from playing with
her butt.

   I was actually kind of reluctant to start inserting the dildo.  I liked
the feeling of direct stimulation and control finger-banging her ass gave
me.  It was so warm and slippery inside, and her anal ring squeezed so
delightfully around me.  It gave me a much better appreciation for guys'
views on anal, though I was certain it was a whole other level of awesome
when using a penis.

   The dildo went in about halfway pretty easily after all the warming up.
I rocked it back and forth and made it fit the rest of the way until she'd
swallowed almost the whole thing.  She cooed happily at having her ass
totally filled.

   "Alright." I smacked her butt.  "All done."

   "Mmm.  Fanks, Kelsey.  That feels lovely." She wiggled her butt, then
reached back to feel the little bit of dildo sticking out of her.  "You
know what I need now?"

   "Couldn't begin to guess."

   She rolled over, grinning madly.  Her pussy was so wet it glistened.  "A
nice helpful tongue on my-"

   "Nope."

   "But-"

   "I'm definitely not prepared to eat you out."

   "Why not?"

   "Well...  partly because I don't think I quite like vaginas enough to
want to lick one a bunch."

   "But-"

   "And partly because I feel like that would make this more than just
messing around and getting off, which is all I want it to be."

   Erin mulled that over.  "You think Logan would be mad about that or
something?"

   "Hell no.  He'd love it.  Probably just be annoyed we didn't film it."

   "Then why does it matter what we do?"

   "I just told you.  I'm only comfortable with messing around a bit.  I
don't want more than that.  Me.  My feelings.  Not Gun's or anyone else's."

   "Oh.  But, like-"

   "I know, you don't get it.  You think I'm a total freak just 'cause I
play around with my brother a bit, and it doesn't make any sense that I
don't want to fall in bed with you."

   "Well...  kinda.  I guess."

   "Try not to think too hard about it.  I think I've got something that'll
distract you."

   I felt Erin's gaze on my naughty bits as I bent to retrieve a toy that
wasn't kept with the others.  My Hitachi Wand was a bit more vibrator than
I actually wanted most of the time.  Tonight, it seemed ideal.

   "Oh shit.  Is that what I think it is?"

   I grinned.  "Sure is."

   Erin spread her legs wantonly as I returned.  She waited impatiently
while I plugged the wand into the wall socket and positioned it.

   "Come on," she whined.  "I need it."

   "Just hold on a sec.  I'm going as fast as I can."

   Her eyes lit up as I turned the toy on and its hum filled the quiet
room. She couldn't take her gaze off it as I lowered it, aimed carefully,
and let it come to rest on her pussy.

   "Mmm." Her head and spine arched back.  She lifted her hips to try and
get even more contact.  "That's amaaazing."

   "Thought you might like it."

   I tried to hold it still, but her hips were all a-wriggle, making my
task next to impossible.  That was fine.  She was having fun.  Perhaps a
little too much fun, actually.  The longer I watched, the more envious I
became.

   But what the hell.  There was no reason I couldn't have that kind of fun
too.

   I crawled forward and overtop of Erin.  I sat my pussy down right on top
of hers, sandwiching the head of the vibrator between us.  She was right.
It was amazing.

   It was just exactly what I needed.  The vibrations were usually too much
for me to properly enjoy, but this time I luxuriated in them.  It was a
night for sexual excesses.

   It didn't take Erin long to get handsy with me as I rode her.  She
started feeling up my hips and ass, and when I didn't protest, she moved up
my sides to my tits.  Ordinarily that would have been a bit over the line
for me, but not by that much really.  It was still just playful fun, albeit
a little more sapphic than I tended to run.

   I let the moment consume me.  Vibrations ran amok through my pussy and
clit.  Erin's wandering hands roamed my bare skin.  And, admittedly, riding
her hot, naked body was a turn on in its own right.

   I came without doing anything at all but letting the moment happen.  I
wasn't entirely sure which of us was first, or indeed how many orgasms we
went through.  I stayed upright as long as I could, then collapsed sideways
as my jelly-like legs gave out.

   Erin kept moaning deliriously a while longer as I caught my breath. 
Finally she switched off the wand and lay panting beside me.

   "Well," she said.

   "Yup."

   "That was...  something."

   "Uh huh."

   "Are you sure you're not totally a closet lesbian?"

   I chuckled.  "Pretty sure."

   "If you say so.  I guess I'll go ahead and chalk that up as the greatest
sex I've ever had with a straight girl."

   We both burst out giggling.  We were giddy, and tired, and sinking into
post-orgasm sloth.

   "That wasn't really sex," I said as I forced myself to sit up.

   "No?  Sure seemed like it to me.  Obviously it wasn't traditional
vanilla shit..."

   "It was sex-like, I'll grant you." I scooted to the edge of the bed and
tested my legs to make sure they'd hold me before I stood.  "But it was
still just messing around, right?"

   Erin was quiet a moment.  "You live by an odd set of rules, don't you?"

   "Not rules, exactly.  Just, like, I know who I am, right?  I know who I
want to be.  Sometimes I don't know, sometimes I guess, sometimes I'm
wrong. But, like, why should I have to conform to what other people tell me
is right?  Why can't I decide those sorts of things for myself?"

   "So...  you do lesbian shit, but only kinda.  And you do incest shit,
but only kinda.  That's what you decided?"

   I smiled tiredly.  "Yeah, sure.  You got it."

   My annoyance and her trying to figure out my life story from our brief
interactions must have come through in my tone.  She called after me as I
tried to slip out of the room.

   "Wait, Kelsey, I'm sorry.  I didn't mean to be all judgey and shit."

   "It's fine."

   "No but, like, it's cool that you do what you want.  Come back, would
you?  I don't want to kick you out of your own bed."

   I snorted.  "You aren't kicking me out of anything.  I'm coming back.  I
just have to deal with some stuff before I sleep.  And I am well ready for
sleep."

   "Oh.  Ok."

   I walked away before she could say anything else.

   I fetched a glass of water from the kitchen, then made my way to Logan's
room.  He was still sprawled dopily in his bed, naked butt sticking out
like he wanted to be fucked some more.  I felt a weird surge of sisterly
love at the pathetic sight of him.

   "Hey," I said.  "Wake up."

   It took a few prods before Logan stirred and blinked heavily at me. 
"Wha'?  Wha's goin' on?"

   "Drink this."

   I handed him the water.  He stared at it for a second, then downed the
entire glass in a few seconds.

   "Thanks," he said.

   "What some more?"

   "No.  I think I'm good.  Maybe.  Just wanna sleep."

   "I know.  I'm sorry for waking you.  Move your leg for a second."

   I got my brother rearranged, then pulled his covers up around him.  I
tucked him in snugly, then kissed the side of his forehead.

   "Kelse?"

   "Yeah?"

   "My ass hurts."

   I smiled.  "Yeah, I imagine it probably does."

   "Did I..."

   "Tell your girlfriend all about us, then let her peg you hard while I
watched?  Sure did."

   "Oh.  Oops?"

   I ruffled his hair.  "It's ok.  It all worked out, more or less.  We'll
talk more tomorrow, ok?"

   "Ok." He tucked his arm under his head.  "Love you."

   "Love you too, bro.  Sleep tight."

   I turned off the light and closed the door behind me.  I padded nakedly
back to my room where Erin was still waiting.

   "So do we get to spoon now?" she asked.

   "No, Erin, we do not get to spoon.  We will sleep together because Gun
needs his rest and I don't want to disturb him anymore."

   "And because you kinda like the idea of-"

   "Don't finish that sentence."

   I flicked the light switch and crawled in next to Erin.  Our bodies
brushed together a few times as we got settled.  It would have been all too
easy to get horny again, if not for how dead tired I was.  Her nude form
held more than a little appeal, especially when so conveniently right
beside mine.

   I certainly wasn't as straight as I insisted I was, but we both knew
that, and I figured the pretense made drawing my lines easier.  And, too,
gave some flexibility if and when she decided to push harder.

   It really didn't surprise me when she eventually rolled toward me,
nuzzled my shoulder, and draped an arm across my tummy.  She might have
thought she was getting away with something, and that was fine.  It was a
level of cuddling I was comfortable with.

   "Night," I said.

   "Mmm.  G'night."

   ****

   The next morning was an interesting affair.  Erin was a bit sheepish
upon waking up, though not as much as I'd expected.  She seemed to
recognize that she'd been a little too wild and pushed a little too much,
but she also got a funny look in her eye every time she mentioned something
from the night before like it was turning her on all over again.

   "Anyway," she said, "that was fun.  We should have another sleepover
sometime."

   "Actual sleepover, or naked sleepover?"

   She grinned.  "Naked, of course."

   "Need I remind you you're Gun's girlfriend, not mine?"

   "Yeah, yeah.  Semantics."

   I let her have the shower first.  She hesitated a moment too long, and I
was sure she was going to make a joke about us showering together.  She
thought better of it, if indeed that was her intent, and simply went ahead.

   I slipped into some panties and a halter top, then went to check on my
brother.

   Logan was still gently snoring.  I sat on the edge of his bed and
watched his breathing.  It didn't seem right to wake him, but he did have
work to get to before too long.

   Luckily he stirred before I had to make a tough decision.

   "Morning, sleepy," I whispered.

   "Hey, you."

   "Feeling ok?"

   "Head hurts.  Ass hurts.  Mouth's dry." He shrugged.  "Other than that,
fine as can be."

   I patted his shoulder.  "You'll be alright."

   "Yeah.  Eventually." He shifted a bit and groaned.  "As long as I don't
move too much."

   "Poor baby.  You want me to call in sick for you?"

   He thought about it.  "Maybe."

   "And get you some water and aspirin?"

   "Yes please."

   "Ok.  Sit tight.  I'll take care of it."

   I kissed him on the forehead, then left to take care of shit.

   Erin was out of the shower when I came back from making the call to
Logan's workplace.  I didn't know what she thought was going to happen, but
she hadn't put on any clothes, or even wrapped herself in a towel.  She
stood fully naked and scrubbed, hair still damp, lips quirked in a crooked
smile like she thought I'd jump her on sight.

   "Put some damn clothes on, would you?" I said in a light tone as a
breezed by her into the bathroom.

   "Is that all the reaction I get?" Erin pouted.  "Here I am all naked
and-"

   "I know.  I can see." I shook a pair of tablets from the bottle of
aspirin, then slipped back past my brother's nude, pouty girlfriend.  "I
honestly would have thought you'd gotten enough action last night."

   "Well, I did.  But I keep thinking about it, and it's getting me kinda
worked up again."

   "Feel free to borrow my toys if you need one.  Actually, while we're on
the subject, I expect the one that was in your ass to be well cleaned
before you go."

   "Ouch.  What happened to horny Kelsey?  I liked her better."

   "I imagine you did." I took Erin's cheek in one hand and softly kissed
her on the opposite side.  "We had fun.  Don't make it more than it was."

   "Yeah, you're right." She perked up.  "Hey, maybe Logan-"

   "Logan is resting," I said firmly.  "You may talk or say goodbye or
whatever, but no jumping in bed with him."

   "What are you, his Mom?"

   "When necessary."

   We stared each other down for a moment, but she cracked well before I
would have.

   "You two are seriously adorable," she said.  "Actually, I have to get
going anyway.  I should get back to my place and change."

   "Probably sensible," I agreed.

   "I have to go find my clothes in Logan's room.  Is that ok...  Mom?"

   I rolled my eyes.  "Yes, fine."

   She smirked and slapped my butt on the way by.  She knew she had my
attention at that point, because the way her hips swung as she walked away
could only have been for my benefit.  Maybe a 'look at what you just passed
on' kind of thing.  Or maybe it was just her being horny and flirty.  Who
knew.

   ****

   Logan was lazing on the couch playing video games when I got back from
work that evening.  I got settled, stripped down to my shirt and panties,
then joined him on the sofa.  I tucked my legs under me so I was half
kneeling, half on my ass.

   "Hey," he said.  "How was work?"

   "Fine, thanks.  How 'bout you?  Did you do anything today?"

   "Not hardly, no."

   "Lazy day?"

   "Pretty much.  I did put a casserole together for supper.  It's in the
oven."

   "Mmm.  Good boy."

   I patted Logan's head.  His hands never left his controller.

   "Erin never came back to my room last night, did she?" he asked.

   "Nope.  She slept with me."

   Logan's eyebrow quirked and a small grin graced his lips.  He didn't say
anything, but I knew exactly where his mind had gone.  In this particular
instance, he wasn't far off.

   "You having fun picturing that?" I asked.

   "You know I am.  'Cause I know how you like sleeping naked.  And
Erin..." He paused, both vocally and in his game.  He slowly turned his
head toward me.  "She had to come get her clothes this morning."

   "Uh huh."

   "So she didn't have them last night."

   "Right."

   "Don't tell me...  you guys didn't actually sleep naked together, did
you?"

   I grinned smugly.  "Your girlfriend really, really likes me, bro.  Maybe
even better than she likes you."

   "Oh my fuck." His eyes were wide, his mouth hung open.  "You did too."

   I shrugged.  "Sure we did.  Didn't want to disturb you."

   He grinned.  "And what else happened?"

   "What makes you think anything else happened?  It was perfectly
innocent. We're just two girls sharing a bed.  We might have naked-cuddled
a bit, might have gotten a bit cozy...  and just maybe I helped her shove a
dildo up her butt, then shared a vibrator 'til we both came a bunch."

   Logan's expression was well worth the pestering I knew the story would
generate.  He was so fun to tease sometimes.

   Slowly, deliberately, he shut off his game.  He set his controlled down
like it was made of glass, then turned his whole body to face me.

   "You did what, exactly?"

   "You heard me."

   "Yeah, but...  you?"

   "Me.  And Erin."

   "You fucked her ass with a dildo?  That doesn't seem-"

   "Ah!  No no.  I didn't fuck her ass.  I helped her fill her ass, that's
all.  And we played with my wand a bit.  And she might have felt me up a
bunch and then cuddled afterward.  But that's it."

   I flicked my gaze to the crotch of Logan's pants.  He was definitely
hard.

   "Please tell me you have pictures."

   "You doofus.  I absolutely do not have pictures."

   "Aw."

   "I told her that's all you'd be interested in."

   "Heh.  You know me pretty well."

   "I do."

   "So how was your night of lesbian romance?"

   I rolled my eyes.  "That is so not what it was."

   "No?  Kinda sounds like it."

   "It was just messing around.  That's all.  Maybe it was a little
lesbian-y, but only a little."

   "Ah.  Kinda like how we're only a little incest-y, yeah?"

   I frowned.  "You're making fun of me."

   Logan shook his head.  He put his hand on my bare thigh and squeezed
reassuringly.  "I'm not.  Well, I am a bit.  But I agree with you.  You
know that.  It's just messing around."

   "Right."

   "Because if it got to be more than messing around..."

   "It'd be bad," I finished for him.  "Can you even imagine if we were
more wrapped up in each other than we already are?"

   "Hardly seems possible."

   "At least we mostly function in society right now.  I mean, people
always think we're weird, and Erin actually found out why thanks to your
big mouth, but they basically accept us."

   Logan's hand ran up and down my thigh, rubbing softly.  It felt nice.

   "Plus it'd be kinda gross," he said.  "Sleeping together, fucking,
holding hands, kissing in public...  all that couple shit.  That's never
who we were meant to be."

   "Very true."

   "But Kelse..."

   "Yeah?"

   "I do think about it sometimes.  I don't want it, but I imagine it."

   "Of course, Gun.  So do I." I leaned in and kissed him on the forehead,
then forced myself out of my seat.  "I'm hungry.  Is that casserole almost
done?"

   He smiled crookedly.  "Let me check."

   ****

   Part Three: In the Butt

   ****

   I was, admittedly, kind of excited for the next time Erin spent the
night.  Probably not as much as Logan-who was actually fucking her-but
still.

   The dynamic had irreversibly changed between us.  We all knew things
about each other that most people never would.  We also shared varying
levels of open attraction for each other.

   Erin and Logan had a stay-in date night.  They ate pizza and cuddled
their way through a romantic movie.  Erin tried to get me to join them, but
I retreated to my room and locked the door just in case.  Intruding on my
brother's date was definitely not an ok thing to do, despite neither of
them minding at all.

   Logan understood, though.  He tried his best to keep Erin from
pressuring me too much, even if he wasn't all that successful.

   There were things you had to be careful of when you were brother and
sister.  You had to have things that were your own, lives that weren't
totally, completely entangled.  Erin was becoming entangled, and she
shouldn't be.  She was his girlfriend.  His.

   And yet...

   They left the door wide open for me that night.  I knew they would.  I
knew that if I was smart, I wouldn't go watch.  I'd just leave them.

   I wasn't that clever.  Or maybe I just didn't have the self-control.  I
couldn't help myself.

   Once again, in my shirt and panties, creeping to my brother's room when
I should have been in bed.  Happy, sexy sounds floating down the corridor
to my perked up little ears.

   They were fully naked.  Logan was on his back, Erin on top riding him.
It wasn't an urgent fuck; more of a gentle, sexual grinding.  They got
handsy at times, at others just relaxed into their slow rhythm.

   Occasionally Erin would bend down and they'd share long, sensual kisses.
I liked when they did that.  Logan and I didn't kiss on the mouth.  Mostly.
That was a romantic-type thing to do, he said, and we weren't a
romantic-type couple.  Still, who could be good all the time?

   I had my hand shoved down my panties when they finally caught me
watching.  For people who'd been expecting me, they hadn't kept much of an
eye on the doorway.

   Erin smiled and beckoned me closer.  I shook my head and stayed right
where I was.  She frowned slightly and waved at me again.  I didn't move.

   Logan said something to Erin, but I couldn't make it out.  They hissed a
short, unintelligible conversation back and forth, then seemed to come to
an agreement.

   Erin rose off of my brother's cock.  His shaft fairly glistened with her
juices.  I had an insane urge to run over and suck it clean.  That was
exactly the sort of desire that needed resisting from time to time.

   The two of them changed positions.  Erin got on her hands and knees
while Logan got out of bed for something, then knelt behind her.

   Lube.  He'd gotten out of bed to grab lube, and now he was pouring some
on Erin's ass.

   My fingers sped up on my pussy.  That was their game, was it?  Give me
an anal show, get me too horny to stick to my principles?

   Well...  it would probably work.

   Erin stared straight at me while Logan fingered her ass.  I saw the lust
in her eyes, the way her lips twitched into little 'o's.  She wanted to
make me envious, and she was succeeding.

   It could be me on the bed if I wanted.  That was the insidious thing
about me and Logan.  We could do those sorts of things.  There was nothing
stopping us but us.  I could take my clothes off, push Erin aside, present
my ass...

   No.  Bad Kelsey.  Stop that.

   But I could.

   Erin was offering low moans in tribute to her anal fingering.  She was
ready.  Logan was ready too.  His cock was massively hard, and I could see
the look of barely contained eagerness on his face; especially pronounced
when his erection bumped against Erin's butt.

   I bit my lip as my brother guided his dick to Erin's rear hole.  My
pussy was totally flooded, and it was only getting worse.

   An aura of relief spread through all three of us as Logan penetrated
her. His magnificently erect shaft sank into her ass like they were made
for each other.  She mewled happily and arched her back, then braced her
arms and pushed herself further toward him.

   She liked it so much.  It still amazed me just how easily Erin took my
brother's cock up her butt, and how pleasurable she made it seem.  That was
the sort of thing that was meant to be confined to porn.  Seeing her in
real life-both of them really-was so much more visceral, so much more... 
tempting.

   Yeah, tempting.  Goddamn did I want to be Erin.  Maybe I wouldn't like
it, maybe it would hurt, maybe it'd be too gross or...  or whatever.  But I
so badly wanted to try it.  I wanted to feel what she felt.  I needed to
know.

   Logan got a good rhythm going, and Erin was forced forward onto her
elbows.  She grabbed a pillow and hugged it beneath her, leaving her ass
sticking lewdly up in the air.

   Erin grinned at me, and again beckoned me closer.  This time I didn't
have the willpower to resist.

   I stepped forward woodenly as I pulled my hand regretfully away from my
pussy.  I could see even better the nearer I approached.  Logan's cock
drilled deep into Erin's ass, and I watched in awe as it surfaced and sank
in long thrusts.

   "You like to watch, don't you?" Erin asked softly.

   I bit my lip and nodded.

   "Better than participating?"

   "Sometimes."

   "Because it keeps you separated?"

   I considered the question.  "Maybe."

   Erin held out a hand and dragged me closer still.  I sat down beside
her. She ran a warm hand up my bare thigh.

   "It's ok to want something even if you think you shouldn't have it," she
said.

   I snorted.  "I know that." My gaze flicked to Logan.  "Believe me, I
know."

   "I s'pose you do, don't you?"

   Logan slapped Erin's ass, making her squeal.  He grabbed her hips firmly
and started fucking her harder.  Her words were transformed into a series
of happy moans.

   Maybe he thought he was rescuing me from awkward questioning.  He kind
of was.  But I was in a whole different place from worrying about that kind
of thing.

   "I want things lots of times," I said, as much to myself as either Erin
or Logan.  "Sometimes I let myself have them.  Sometimes I don't." I pushed
some of Erin's hair back from her forehead where it was starting to get
sweaty.  "It's not really about what I should or shouldn't do.  It's about
the consequences.  What my life turns into."

   I didn't think Erin was paying attention anymore.  Logan was.  He wasn't
so far gone as her.  His eyes met mine.  An unspoken message flashed
between us.  A slight nod, no furrowing of his brow.  He was ok with me
being here.  I suspected he would be, but it was good to be sure.

   "The thing about watching," I said, "is it doesn't change anything.  Not
by itself.  Not like doing.  Doing things are how all changes happen. 
Usually small.  Not always."

   I pushed myself up on one knee, giving just enough balance to lean close
to Logan.  I kissed him, just quickly and softly, but it was a proper kiss.
It felt right.

   "Daaammmn," Erin moaned.  "Do that again."

   "No," I said simply.  Kissing my brother wasn't something I was about to
do just to satisfy someone's fetish.  Even my own.

   Erin was wriggling around under Logan's constant ass-fuckery.  I scooted
in front of her on my butt, the stole her pillow away from her.  She might
have protested if I hadn't immediately pulled my panties off and stuck my
pussy in her face.

   "Ooh," she said.

   "Yeah, I know." I leaned back.  "Enjoy."

   I was really getting a feel for this girl.  The way she treated me and
Logan like fetish material at times, she had to love the idea of getting
sandwiched between us.

   Essentially giving Erin what she wanted was teaching her a bad lesson.
That wasn't great.  On the other hand, I was horny and having an eager
little tongue buried in my snatch sounded good to me.  She didn't
disappoint.

   She happily spread my thighs and lapped away at my overflowing vagina.
Her nose kept bopping against me as Logan's hips knocked her around a bit,
but she was determined.  She did her level best to keep her tongue licking
despite the turbulence.

   I ran my fingers through Erin's hair while she licked me.  I alternated
smoothing and taking a loose grip when I wanted to guide her.  Mostly I
just let her do her thing.  It was pretty fantastic.  Even better as I got
an excellent seat to watch her ass get railed by my brother all the while.

   I was pretty sure Erin came first, and who could blame her.  It got to
be kind of a blur as I was overtaken by the sheer ecstasy of the situation.
Our orgasms fed each other symbiotically, and we traded periods of bliss
for an unclear period of time.

   Logan brought it all to an end.  It was impressive enough he'd lasted as
long as he had, all things considered.  I didn't even realize he was
cumming until her pulled out of Erin and dribbled the last of his cum on
her butt.  The knowledge that the rest had been spurted inside her carried
me through my final orgasm.

   The three of us lay half-comatose for a while.  We were drained, happy,
and lazy.

   We gradually migrated into a loose ball in the center of the bed, not
that there was much extra room for all of us to begin with.  I had the sole
article of clothing between us since I was still wearing my shirt.  Both
Erin and Logan snuck hands underneath it at various points.  I just kind of
let them.  I was in the mood to be fondled if they were inclined.

   I participated a little.  I cuddled on Logan's chest for a while, then
played with Erin's tits a bit.  I tasted her pussy off her finger at one
point and I couldn't even remember whose idea that had been.

   It would have been so easy to fall asleep with them.  I was sorely
tempted.  But I'd been so bad already.

   "It's getting pretty late," I mumbled sleepily.

   "It is," Logan agreed.  He tried to pull me closer.

   I giggled and pushed away, rolling off the bed to my feet.  "I need to
go."

   "Stay," Erin said.

   "I can't."

   "Sure you can.  You-"

   "Gun, tell her I can't."

   Logan sighed.  "She can't, Erin."

   Erin looked confused.  "But-"

   Logan wrapped his arms around his girlfriend and covered her mouth with
one hand.  "Good night, Kelse.  Love you."

   I smiled.  "You too, bro."

   I started to walk away, then thought better of it.  Logan's blanket had
been knocked to the floor at some point.  I picked it up, straightened it
out, then flung it across him and Erin.

   After tucking them in snugly, I kissed Logan good night.  Again with the
being bad.

   "Me too?" Erin asked.

   I hesitated, taking in the innocent pout in her expression, then nodded.
"Ok."

   I kissed her as well.  I kept it short, but it was still enough to do
funny things to me.  The sort of things that usually only Logan made me
feel.

   "Be good," I said.  "Go to sleep."

   "Yes, Mom," Logan said.

   Erin thought that was funny.  "Yes, Mommy," she echoed.

   "See, that.  That's not being good."

   They mumbled some half-assed protests of innocence.  I ignored them and
shut off the light on my way out.

   ****

   I woke up early in the morning to Erin sneaking into bed with me.  Her
naked body was snuggled up with mine before I could formulate an argument.
At that point, I couldn't find it in me to kick her back out.

   "Don't worry," she whispered.  "I have to leave soon anyway.  Have to
get to work early."

   "Then what's this about?"

   "Nothin'.  Just wanted a quick cuddle with you."

   "This isn't making me any more of a lesbian, you know."

   "Perish the thought."

   Hidden in her self-assured tone was the shared knowledge that I'd
previously let her lick me out to multiple orgasms and was now accepting
her naked cuddles.  She didn't have to make me anything I wasn't.  She just
had to have a certain amount of patience.  Wait for me to give in.

   "You're Gun's girl," I said.

   "I'm no one's girl." She shifted a bit and put her hand on my tit.  "But
yes, I am with your brother, not you.  We all agree on that, I think."

   "And yet you keep trying to seduce me."

   "Is that what you think I'm doing?"

   I shrugged.  "I don't know.  Maybe."

   "Maybe you're right.  Truth be told, I don't exactly know what I'm
doing." She circled my nipple with a single fingertip.  "But you two are by
far the most interesting brother and sister I've ever met, and I just can't
help myself."

   "You haven't tried particularly hard."

   "Perhaps.  I don't have the restraint you two have, that's for sure. 
The way you feel about each other, and you still just tiptoe around it... I
don't know how you do that."

   "We have to."

   "Why?"

   "Because...  because Gun's gotta be my brother first."

   "As opposed to what?"

   "Ugh.  I don't really want to talk about this." I rolled away from Erin.
"Let me sleep."

   She followed me.  "As opposed to what?" she repeated.

   "Dammit.  You know how couples break up all the time?  Married people
get divorced?  Friends stop talking?"

   "Sure."

   "Well...  siblings don't stop being siblings."

   "I know some people who don't talk to their family.  Siblings included."

   "Not if they love each other and generally get along."

   "Well...  no.  But isn't that true for your other examples?"

   "Listen, you're the one who asked.  Don't be starting an argument."

   "Sorry." Erin kissed the back of my shoulder like it was some kind of
apology.  "But I can't help feeling like you've trapped yourselves with
fears over nothing."

   "That's a possibility," I admitted.  "But we're happy, and we know who
we are, and we're never ever gonna lose each other."

   "Well-"

   "And we're mostly just siblings.  No one else ever found out what we do,
'cept you.  And that was only 'cause Gun blabbed."

   "Ok, that part is fair enough.  A lot of people wouldn't really approve
of you guys the way I do."

   "Yeah.  You're pretty fucked up."

   Erin laughed.  "I am.  But look who's talking."

   I couldn't help giggling a bit too.  Some of the tension faded in our
shared laughter.

   "I like what I have," I said after a moment.  "We know what we're
doing."

   "If you say so."

   "I like you," I said.  "Gun likes you.  You're a bad influence on us. 
You know that, right?"

   "Yeah."

   "Who knows.  Maybe you'll be around for a while.  Maybe you and Gun'll
get married."

   "Now, hang on a sec-"

   "But I'm not gonna let it change me and him.  Not in the important ways.
Whether you stay or leave, we're still gonna be us."

   "I get that." Erin ran her hand down my shoulder and arm, then explored
my bare thigh.  "I'm just saying it'd be super fun and sexy if you guys did
more stuff together."

   "That's-"

   "Think about it."

   "I have.  Many times.  You must know that."

   "I guess I do." She kissed my shoulder again, then pushed away with a
reluctant sigh.  "Anyway, really must be going."

   "You weren't kidding about the early thing, huh?"

   "Really wasn't." She smacked my butt before hopping out of bed.  "We
should do some more threesome stuff, yeah?"

   "Um..."

   "Yeah, totally should.  We'll figure it out.  Get together some night
when we're all super horny.  I'll get Logan to pound my butt some more
maybe.  That seems to work for you."

   "Conniving bitch."

   "Ha, yeah.  I guess I am." She stepped out the door.  "See ya, Kelse."

   "Yeah.  See ya."

   I thought I'd be able to just go back to sleep after she left.  I was
wrong.

   I wasn't turned on, exactly, though naked cuddles had given me a shove
in that direction.  I was just...  something.  Not in sleep mode, that was
for sure.

   I got up and padded naked down the hall.  Logan was still asleep.  I
stood in his doorway for several long minutes, torn with indecision.

   On one hand, I wanted to crawl in with him.  On the other, I was leery
of Erin's influence, and unwilling to do something stupid just because she
was in my head.

   I couldn't hold out forever.  I slipped silently right up to my
brother's bed, then snuck under the covers.  It was warm and secure next to
him.  The small anxiety in my chest faded, and I was soon back to sleep.

   ****

   For the second time that morning, I woke up to some light molestation.
Logan fondled me awake, which was honestly one of my favourite things in
the morning.  It just didn't tend to happen when we were both behaving
ourselves.

   Aside from perving on his unconscious little sister, which was bad
enough, he was also totally hard.  His cock twitched occasionally as he
played with me, and I just watched it for a while before moving.  There was
something about the blatant evidence of my brother's arousal that really
worked for me sometimes.

   "Someone's being quite presumptuous this morning," I said.

   "Hm?  Is that someone the one who climbed into bed with the other?"

   "No.  It's the one- oh forget it."

   Logan smiled and booped me on the nose.  "I couldn't help myself. 
You're totally irresistible when you're naked and sleeping next to me."

   "Clothes next time.  Got it."

   "Let's not be too hasty."

   "No, indeed not."

   Logan gave my boobs a final squeeze before sitting up.  I wondered what
he'd do if I rolled over and stuck my ass out at him.

   "Erin must have left, huh?" he said.

   "Yep.  Something about work, I think."

   "Yeah.  Odd hours sometimes."

   "Uh huh." I looked pointedly at his throbbing erection.  "Hoping she'd
help you with that, were you?"

   He shrugged.  "Her or...  someone else, maybe."

   "Lucky girl, this 'someone else.'"

   "That remains to be seen."

   I grinned slyly.  "I think she could be convinced.  If you were charming
enough, that is."

   "Stick my dick in her face.  Got it."

   Logan, goofball that he was, proceeded to do just that.  He threw a leg
across me, straddling my face, and lowered his cock to my mouth.

   I played along at first and parted my lips, allowing him to carefully
insert his penis.  He gently face-fucked me for a moment until I cracked
and started giggling too hard to keep up.

   "That was you being charming, was it?" I laughed as he rolled off me.

   "Funny thing is it kinda worked."

   "Well...  you're not wrong, actually." I got up on my hands and knees.
"It actually has been a while since I gave you a blowjob though."

   I arched my eyebrow and waited.  We'd just been messing around up to
now, in our own way.  I wasn't actually sure if he was in the mood for
something more than that.

   "Maybe just a quick one," he said, acting reluctant.

   "A quick one?  Really?  What am I, your girlfriend?"

   "What?"

   I pouted.  "Ask nicely.  Like it's a nice thing for me to do."

   "It is a nice thing."

   "So act like it."

   Logan rolled his eyes.  "Please, sis, can you suck on my cock a little?"

   "Oh for-"

   I was about to protest that he wasn't taking me seriously.  He stopped
me with a hand on my cheek.  My eyes met his and latched on to his focused
gaze.

   "Please," he said, for real this time.  "You know how much I like it."

   A warm flush started in my chest.  Goddamn, the way he could make me
feel when he wanted to...

   "Ok," I said.

   It was what I wanted anyway.  I felt like such a slutty little sister,
lying on my tummy in front of my brother, getting ready to fill my mouth
full of his cock.

   Logan got comfy, reclined in a half-upright position.  I made eye
contact as I slowly sank my lips down his shaft.

   There was a reason we didn't do this sort of thing too often.  In a
different reality, I could see me waking my brother up with a blowjob every
morning.  I loved everything about it.  I loved the way it made him feel, I
loved the way it made my pussy tingle, and I really, really loved the sheer
naughtiness of it.  Sisters weren't meant to suck their brothers off.  Not
even a little.

   "Mmm, good girl," Logan breathed as he stroked my hair.

   My body heated up even more at the pet-like compliment.  Damn him.  Now
I really wanted to play with myself, but I had a job to do.

   "Good little sister," he moaned.

   I bobbed my head rhythmically and pressed my tongue hard on his shaft to
really drag its soft wetness against him.  I gave him my best pouty blowjob
eyes since I knew how much they turned him on.  I was going to make him cum
before he got me too horny to focus.  That was my new goal.

   We carried on like that.  Logan played with my hair and gave slightly
patronizing, totally arousing compliments.  I worked his cock like a porn
star.  I knew I'd won when he went quiet and leaned his head back.  Not
that he was losing by any means.  Lucky bastard got to cum in his sister's
mouth.

   I couldn't help a long, low moan as my mouth received the first spurts
of my brother's orgasm.  I swallowed the first few shots, then held the
rest until he was done.

   I carefully pulled my mouth off Logan's cock, then held it open so he
could see my tongue bathed in his cum.  I then exaggerated the motion of
swallowing it before opening again to present a clean mouth.

   "Bad girl," Logan said.

   "You love it."

   "I do."

   He pushed himself up into semi-reclined position against the headboard.
I crawled nearer, then knelt beside him.  I saw him check out my visibly
aroused little pussy and made no attempt to hide it.

   "You know what I was thinking about?" I asked.

   Logan ran his hand from my knee up to my thigh.  I stayed perfectly
still and let him run his fingers over my warm, sensitive skin.

   "No idea," he said.

   "Well...  you remember that time..."

   "What time?"

   His caress was sweet and titillating on my inner thigh.  It took
deliberate effort not to squirm.

   "My first time," I said.

   His hand faltered just briefly, barely noticeably.  "Oh."

   He wasn't quite sure where I was going.  I could tell.  It wasn't a
subject that was brought up basically at all between us.

   I pushed my hair back behind my ear.  "You remember how nervous I was?"

   Logan gave a crooked smile.  "Of course I do.  You burst into my room
and wouldn't stop rambling for, like, an hour."

   "It wasn't that bad."

   "Oh it was.  You were so into your boyfriend at the time, and you knew
he wanted to fuck, but you were all...  you know."

   I blushed.  "I know.  Super anxious.  I thought it would hurt, or I'd do
it wrong, or...  I don't know.  It seemed like a big deal at the time."

   "It wasn't." His thigh-strokes had become as much about reassurance as
feeling me up.  "It really wasn't that big a deal."

   "I know." I looked down and twisted my fingers together in sympathetic
remembrance of my past self.  "But that's the way it felt." I looked back
up with sisterly adoration in my eyes.  "And you made it better."

   "We shouldn't have done it."

   "I know that.  Of course I know that.  But it was what I needed at the
time.  You made it so perfect for me.  I never would have felt as safe and
loved with anyone else."

   "Kelse..."

   "I love you for that, you know.  For always being there when I need
you."

   Logan flushed slightly.  "Usually it's not anything I mind doing."

   "No.  I seem to recall you rather enjoyed yourself."

   He nodded.  "But..."

   "But once was enough.  I know.  Probably too much all by itself." I
leaned in and kissed the side of his forehead.  "You'll always be my
brother first.  That's the most important thing."

   "Oh.  So...  you're not asking to do it again?  I really thought that's
where this was going."

   "Is that why you look so worried?  I wouldn't have thought it'd scare
you that much."

   "It doesn't." His hand went to my breast.  His voice dropped to a
near-whisper.  "It's just...  if you asked, really asked, I wouldn't be
able to say no."

   A little thrill went through me even though I knew that wasn't his
intent.  "That's why I'm so careful about what I ask.  And I've really
thought about this."

   His eyebrow went up.  He wasn't as in the clear as he'd thought. 
"What's that?"

   "Gun...  I really think I want to try anal."

   Such a conflict of emotion crossed his face.  It was kind of hilarious,
but I kept my expression firm and serious since I didn't want him to think
I was joking.

   "You do, huh?"

   I nodded.  "I think I have to.  I can't stop thinking about it."

   "So do you need a new toy or something?"

   "You goof.  I don't want your help to go toy shopping or anything.  Not
this time.  You know better."

   "And I suppose you don't want my help finding a suitable boy to help you
out either."

   "Right."

   Logan considered the issue.  I did my best to look sexy and angelic
without being too blatantly abusive of my womanly charms.

   "It's really hard to say no to that," he finally said.

   "Then say yes."

   "But we really, really shouldn't..."

   I bit my lip and gave my brother sad puppy eyes.  "You made my first
time so special.  I never worried about you hurting me.  I want that again.
I really, really want it to be you.  Just for the first time.  That's it."

   "Kelse..."

   "Please?"

   "Goddammit.  You know I will.  Don't give me that look."

   I broke into a wide smile.  I launched forward and showered his cheek
and neck with kisses.  "Thanks, bro."

   He laughed and pushed at me, then just accepted some nakey kissy times.
It wasn't on the lips, so it was fine.  Kinda.

   "You've seriously never done it before?" he asked.

   "Of course not.  I would have told you."

   He shrugged.  "You might not have.  You don't tell me everything."

   "Everything important I do.  And you told me the first time you did a
girl in the butt."

   "That was only because it was a funny story." He paused.  "Kinda gross
too.  And she never went out with me again, so maybe not all that funny in
some ways."

   "Point is, no.  I never have.  It's only after seeing you and Erin that
I've really had any interest." I rolled my eyes.  "And of course since
then, it's been all I can think about."

   "You could still get a toy.  Try it whenever you want to."

   I tapped him lightly on the shoulder with my fist.  "You already
promised."

   "I did.  Don't worry." A stupid grin spread across his face.  "I'm not
the sort to promise a girl a butt fuck then back out."

   "'Specially your sister.  You have to live with me after all."

   Logan glanced at the time.  "I could call in to work, say I'll be late.
You ready right now?"

   "No, no.  Don't be silly.  This evening.  I want plenty of time, no
rushing.  Do it right.  Make it special."

   He nodded absently.  Thinking.  I lay beside him, snuggled in for a few
minutes before I'd get up and moving.  I smiled to myself as he squeezed my
ass.  I hadn't noticed until then, but he'd gotten rock hard again while
we'd been talking.  I knew he wasn't as reluctant as he let on.  I
respected it though.  One of us had to try and stay sane.

   It had to be Logan, was the thing.  I knew we shouldn't, but it was what
I needed.  I needed my big brother.  Sometimes that was just how I was.

   ****

   I was in the kitchen a little later on humming to myself and waiting for
the toaster to pop.  I had showered and dressed, and was well on my way to
being ready for the day.

   Logan was a bit slower, but not by much.  I heard him coming, so wasn't
terribly surprised when he walked up right behind me.  I thought he might
have just wanted some toast too, but instead his hands landed on my hips.
Not looking for toast, then.

   The toaster popped and I threw my two slices on a plate.  I started
buttering them while Logan undid my jeans and slid them down my thighs.

   I didn't know exactly what my brother was planning, but I was certainly
in the right mood to wait and find out.  I calmly proceeded like nothing
was amiss, prepping my breakfast as casual as could be.

   Logan got my pants down past my panties.  He rubbed the front of my
underwear at first, then slipped inside.  I bit my lip and tried not to
show any sign of acknowledging what he was doing.

   I took a careful bite of toast while getting my pussy fingered.  I
looked out the kitchen window where the world was passing as per normal. 
One of our neighbours was out walking her dog.  Another went past the other
way in a jogging outfit.  Neither had the slightest inkling of what I was
letting my brother do to me.

   They all thought it was sweet, a brother and sister living together. 
Very familial.  Very wholesome.  They had no idea at all.

   I loved it.

   Even better than playing around with Logan was getting away with it in
such blatant, naughty fashion.  It was scandalous, really.

   I got through about half my first slice of toast before Logan's magic
fingers started affecting me too much.  I leaned heavily against the
counter, bracing with both arms, and stuck my butt out for more.

   Then, just as it was getting good, he stopped.  I turned my head in
confusion, but Logan was already pulling my pants back up.

   "Uh...  what the hell?" I asked.

   "Nothin' much.  Just want you super horny for tonight."

   "What?  But...  but...  you meanie!"

   Logan smirked.  "Trust me.  You're gonna need to be turned on.  Don't
want you reconsidering between now and then, do we?"

   "I wooonnn't.  Just finish me.  C'mon."

   He smacked my butt and walked away.  "Tonight."

   "Ugh.  Jerk."

   I finished my toast in a state of sexual frustration.  And my panties
were all damp now too.  I'd have to go change before work.  Given the state
my brother had left me in, bringing a spare pair to work probably wouldn't
hurt either.

   ****

   Despite my initial annoyance with Logan's behaviour, my negativity gave
way to anticipation and excitement through the day.  I kept finding myself
stuck in daydreams about what it was going to be like.

   I was so tempted to sneak off to the bathroom and have a quick orgasm,
but I managed to restrain myself.  I didn't approve of Logan's methods by
any means, but he was kind of right about how it was better if I stayed
horny.  It was much easier and more fun trying new things when I was all
turned on and shit.

   I'd soaked through my third pair of underwear by the time I got home.  I
was miserably horny, to the point where it almost wasn't even fun anymore.
I was ready to straight up tackle Logan to the floor as soon as I saw him,
but it turned out he wasn't even home yet.  What the hell.

   I decided I might as well take a shower while waiting for him.  I was
kind of gooey down below, and getting nice and clean felt like a good idea
anyway.

   I'd just gotten out and was wrapped in a towel when I heard Logan
arrive. I went down to the entryway to greet him.  He smiled when he saw
me.

   "How was your day?" Logan asked.

   "Excruciating." I nodded toward our bedrooms.  "Come on.  Let's do
this."

   "How very romantic."

   "Don't want romance.  Want some goddamn butt sex."

   "Well when you put it that way..."

   I jabbed my finger at him.  "No more teasing."

   "Wouldn't dream of it.  That was just to make sure you were all warmed
up."

   "And it worked.  Probably better than you hoped." I jerked my thumb down
the hall.  "Now seriously, let's get moving."

   "You don't even want supper first?  I stopped and got some things.  I
was thinking-"

   "I told you.  No romance.  Only butt sex." I started walking.  "And if
you don't follow me right the hell now, I'm calling your girlfriend and
getting her to do it instead."

   Logan jogged a few steps to catch up.  "You know...  I actually think
you might."

   "Don't try me."

   "I don't plan on it.  You think I want to miss my chance?"

   I stopped short and Logan actually ran into me.  I turned slowly to face
him.  "Your chance, huh?  I thought you were only doing this 'cause I
begged you?"

   Logan shrugged awkwardly.  The conspicuous smile on his lips gave away
his true feelings.  "I might have thought about what it would be like."

   "Uh huh?"

   "But obviously it was never going to happen.  Not until you decided you
had to try it."

   "So it's still all my fault?"

   "It's not...  you're...  it's..." Logan coughed and brushed past me. 
"We should probably get ready."

   I tagged along, now the follower rather than the leader.  "You were all
acting like you were doing me a favour.  Turns out you want this more than
I do, don't you?"

   "I wouldn't go that far."

   "How far would you go, exactly?"

   We made it to Logan's room.  He stopped in the middle of his room. 
"Probably best not to explore that question," he said.

   "Why not?"

   "You know why not.  Because...  because some of the things we feel for
each other...  they aren't good.  Some of the things I want to do with you
sometimes...  they're things we both agree we can't.  Not without changing
who we are."

   There was an edge of desperation in his explanation.  I softened, not
that I'd really been upset to begin with.  I just wanted to give him a bit
of a hard time was all.  He kind of deserved it.

   But now...

   I padded forward and slipped into my brother's arms.  "Sorry," I said.
"I do know what you mean.  I probably shouldn't have asked you to, like,
teach me butt stuff."

   Logan wrapped his arms around me and rubbed my back.  "Nah, it's all
good.  I'm actually glad you came to me.  We should be there for each
other. And...  I kind of really like the idea of being your first again. 
It's one of my favourite memories, you know."

   I smiled.  "I was that good, was I?"

   "That's...  you know that's not what I mean.  I don't mean about the
sex."

   "No, I know." I tilted my head up and brushed my lips across his.  "That
was special.  Just like this is gonna be.  Just us.  Always us.  That's
what's important."

   "I love you."

   "Love you too."

   Logan tugged at my towel.  I lifted my arms and let him drop it to the
floor.

   He was totally hard inside his pants.  While he removed his shirt, I
pressed against his straining erection and contemplated it going inside me.
And not just in my mouth like I was used to.  No, this was for real.  The
thought made me shiver.

   I helped Logan get the rest of his clothes off.  That wasn't something I
normally did, and the novelty was just one more thing to add to the
excitement.  Sure we were naked together a fair amount, but actually
stripping one another in preparation for sex?  Yeah.  I liked the badness
of it.

   Logan threw me to the bed and I landed on my back in a fit of anxious
giggling.  He climbed in with me and I instinctively spread my legs to give
access to my pussy.  That was what I was used to, after all.

   He grabbed my leg and hip and rolled me over.  I complied and got comfy
on my tummy, sticking my ass up slightly once I was settled.

   "You're gonna make sure it doesn't hurt, right?" I asked.

   "Do my best.  I can't promise absolutely for sure.  Some of it depends
on you."

   I squirmed nervously.  "I don't want it to hurt."

   "I know.  I'll go slow.  Don't worry."

   His hand pressed on the small of my back.  Its familiar weight and
warmth gave a sense of comfort and security, and I gradually went still.

   It was Logan.  My big brother.  I could put my trust him.  He'd never
let anything bad happen to me.

   He rubbed my back for a few minutes until I was soothed and becalmed. 
Then he went lower and massaged my butt.  It didn't have nearly the same
calming effect, but I definitely liked the naughtiness of it.

   Logan gradually circled in on my butthole.  I tried not to tense up or
flinch when he brushed it with his thumb or even pressed against it a bit.
I wasn't successful at first, but I got used to it after a while.  That was
the point, I supposed.

   That stuff was basically expected, more or less.  What I didn't expect
was for my brother to then spread my ass cheeks and drag his tongue along
the cleft between them.

   I squealed in a very undignified manner.  "Hey!  You can't do that!"

   Logan licked again.  "Why not?"

   "It's...  it's dirty."

   "You're all freshly showered, aren't you?"

   I bit my lip and privately admitted that yes, I had cleaned myself well
in preparation.  I'd spent quite a bit of time on my ass, in fact.  Even
rubbing a finger over it repeatedly, trying to gauge how it would feel to
actually shove something up there.

   "Well...  yes," I said.

   "Then what's the problem?  It's just skin."

   "Still dirty," I mumbled.

   Logan gave me a light slap on the butt.  "You just worry about relaxing.
Let me worry about what you taste like."

   It was impossible to relax fully while getting licked back there.  It
was such a confusing feeling.  Bad and dirty, but also, maybe, kinda nice.
Kinda good.

   I grabbed Logan's pillow and pulled it beneath me to hug.  I was
conflicted and horny, and maybe slightly ashamed.  Only slightly, mind you.
Mostly I was simply uncertain of myself and what we were doing.  That,
perhaps more than anything else, was what bothered me.  I was used to
always knowing exactly how I felt about us.  Our sibling bond was a
constant in my life, and there was a chance I'd jeopardized that.

   My brother's steady licking and tonguing of my asshole slowly shifted my
opinion of it.  I'd assumed there was no way I could get used to it, and
that my initial thoughts and worries would remain.  That turned out to be
as foolish as any time such assumptions are made.

   I was coming to find out that having my butthole licked could be a fun
and pleasant experience, provided I was sufficiently patient.  It wasn't as
incredible as some pussy action would have been, in a purely physical
sense, but its dirtier nature and the vague aura of wrongness kind of made
up for that, in their own ways.

   "Why do I feel like you're enjoying this more than I am?" I asked.

   Logan paused.  He replaced his tongue with a couple fingers, gently
probing at my spit-slick entrance.  "How do you mean?"

   "I mean you're like a puppy.  You just keep going.  You know the point
of the exercise is to get your penis in me, right?"

   He laughed softly.  "Well...  there's a possibility that my baby sister
has a totally amazing ass...  and this may be the only chance I have to
play with it as much as I want..."

   "Goddamn, dude.  Maybe this isn't such a good idea after all.  I mean...
it's not really s'posed to be about fulfilling fantasies with each other."

   "You're not backing out now."

   "No, I'm not.  I'm just saying, like, maybe we need to think about it a
little more?  I dunno."

   Logan planted a kiss on my bare ass cheek.  "Too late for thinking, dear
sister.  We're doing this."

   "But-"

   "Exactly."

   "No, not that kind of 'butt,' you goofball.  Just...  just promise me
this is gonna be ok.  It's not gonna change anything."

   "Promise.  It's just gonna be one time, right?  Just so you know what
it's like.  I plan to enjoy it, is all."

   Truth be told, I liked that my brother was apparently so enamored with
my ass.  I liked that he had some secret little fantasies involving it. 
There really wasn't any harm in indulging him, as long as we kept our main
goal in mind.

   And it was only once.  There was no harm in only one time.  Right?

   I gasped as one of Logan's fingers actually pushed past my outer
defenses and penetrated my tight hole.  It didn't hurt or anything, it
mostly just surprised me.  Perhaps it shouldn't have, but it did.

   "Your finger..."

   "It's in your butt, yes," Logan said.  "Is that ok?"

   "It's...  yeah.  I guess it is." I squirmed a bit.  "It's weird, but not
bad."

   "That's a good start." Logan withdrew, then hopped off the bed. 
"Probably better lube you up properly before we go too far."

   "Probably," I agreed.

   I knew enough about the mechanics of anal sex to know that lubrication
was vital.

   The lube was a tiny bit cold for comfort as it was drizzled down my bum
cleavage, but the slipperiness felt nice when Logan resumed playing with my
butthole.  His finger slid in even easier the next time.  Soon he was
gently finger-fucking me.

   I was fine with one finger.  That I could handle.  I felt him trying to
slip a second finger in, and that was too much for me.

   "Hey!  One at a time," I said.

   "You can do two."

   "I can't.  My butt's only little."

   "Would you just trust me, Kelse?  Hm?"

   "That's not fair."

   "What?  Asking you to trust me?"

   "Yeah.  That's cheating."

   Logan patted my ass cheek with his free hand.  "Just trust me."

   "Goddammit."

   He knew asking me something like that meant I had to do it.  Just like
I'd known that he'd say yes if I asked him for sex.  Granted, it turned out
he was even more into the idea of fucking my ass than I would have guessed,
but still.

   Stay calm.  That was important.  No matter how worried I got, I had to
stay calm.  Logan wouldn't hurt me.  I knew that.

   I felt a bit of a stretch, then his second finger was in.  Not so bad,
actually.  A little uncomfortable maybe, but even that was fading after
only a few seconds.

   "You're so tight," he said.

   "Of course I am.  Butts are tight.  That's what they do."

   "Just sayin'."

   The anal fingering was really getting to me.  I wasn't sure if it was
the physical sensations themselves, or rather the vulnerability and
sensuality of remaining in my severely exposed position and being so
casually toyed with in a new and unfamiliar way.

   "You should do it now," I said softly.

   "What?"

   "Fuck me.  In my butt."

   "Are you sure?  I was kinda planning on taking it slower than that. 
Maybe doing some-"

   "I feel like you'd make this last all night if you could."

   "Maybe."

   "I think I'm ready now.  Your fingers don't hurt.  I want to feel your
cock."

   Logan hesitated.  "I'm not convinced you're actually enjoying this yet."

   "I'm not sure quite what to feel about it yet.  Hence getting to the
real thing."

   "Well..."

   "Dammit, Gun.  Stick your penis in your li'l sister's butthole already."

   "Mmm.  Well when you put it that way..."

   I wiggled my hips.  "Unfairly alluring.  I know."

   Logan rubbed in some more lube, which I appreciated.  Best to err on the
side of caution.

   My heart beat so hard as he pressed his hard cock to my ass.  I was
still nervous, but it was different than before.  It was the same kind of
jittery anticipation as when it had all been hypothetical in my mind rather
than something I was actually going to have to go through with.

   Yes, I was excited again.  Properly excited. 
Unconcerned-for-my-anal-wellbeing excited.  I almost didn't even care if it
hurt, or if I didn't like it, or whatever.  I was going to do it.  I was
going to be brave as fuck and find out.

   There was a moment where Logan just wasn't going to fit, it wasn't going
to happen.  I was so disappointed.  Happily, it was only a moment.

   My tight little hole stretched, and flexed, and resisted, and eventually
surrendered to let my brother in.  And it was amazing.  I had no idea why
fingers were just kind of ok while a penis was truly spectacular, but it
was, and I loved it.

   "Ooh," I cooed.  "I kinda like that."

   "Do you indeed?"

   "I do.  It fits much nicer."

   "It...  what?"

   "Shut up.  I don't know.  It just does, ok?"

   It was true.  Fingers hadn't done the job.  They weren't the right size,
or shape, or...  something.  They just weren't right.  Logan's dick was. 
Maybe because of who he was, maybe just because cocks were nicer than
fingers.  I didn't much care.  My bum was getting filled up with
brother-cock, and it was doing all sorts of special things to my insides.

   Logan's hips bumped me as he hilted firmly inside me.  My ass was as
full of him as it could possibly be.

   "Stay there a sec," I said.

   "Right here?"

   "Yesss."

   "Dang you're weird sometimes.  I gotta move a bit or-"

   "Just hold still for a minute.  That's all.  I just wanna feel."

   My brother, as always, indulged me.  I squeezed my ass, and wiggled a
bit, then rocked back and forth a little.  I was thoroughly penetrated.

   I really did like the feeling.  It wasn't quite so blatantly pleasurable
as vaginal penetration, but it was filling, and comforting, and sexy in a
bit of a subtler fashion.  It was different.

   "Ok," I said.  "You can move now."

   "Oh can I?"

   I ignored his sarcastic tone.  "Yes."

   Logan couldn't get too snarky with me, not when he was totally buried
inside me.  I sensed his desire to say something else, but he restrained
himself.

   Instead, he grabbed my hips and began gently thrusting.  My ass gripped
his cock as he pulled back, which was quite an interesting feeling for us
both, and continued to resist slightly when he pushed back in.  That
tendency to fight back diminished as I grew accustomed to getting
butt-fucked.

   Logan's thrusting became smoother and smoother until it felt almost like
regular sex, albeit in a different hole.  I loved how easily I could
apparently take it when properly warmed up.  I'd halfway assumed I just
wouldn't be able to deal with proper fucking, that my body wouldn't be
ready for it with so little experience.  I'd been wrong.

   "Harder," I whispered.

   I thought he didn't hear me at first, but his movements gradually ramped
up.

   "Like that?" he asked.

   "More."

   "Really?"

   "I might need you to slow down again.  But just...  I want to see what's
like."

   "Of course you do."

   Logan gave my butt a quick, sharp smack, which in my state only made me
arch my back and hiss in wanton pleasure.  I was being such a bad girl.  So
naughty.  So butt-slutty.

   I seem to have convinced my brother that I was serious.  He really began
to let loose and pound my ass.  It kind of hurt a little, just the sheer
force of it on my formerly virgin bum, but I even enjoyed that small
discomfort for the raw, animalistic sense of depravity and excess it added.

   Logan grunted and panted from behind me.  The sounds he made were a
decadent symphony to my ears.  He was clearly lost in lust, just as I was.

   We were quite a pair.  A brother and sister engaged in wild butt sex. 
God how I loved it.

   "Fuuuck," Logan moaned.  "I'm gonna cum."

   My eyes rolled back.  That was too delicious for words.  "Yesss," I
hissed.  "Cum in me.  Cum in my ass."

   His fingers dug painfully into my hips.  "Don't say that."

   I grinned.  "Do ittt.  Cum in your little sister's tight little bum."

   "Daaammmn."

   His cum was scalding hot inside me.  It was initially a shock, then just
fucking hot.

   "Mmm," I moaned.  "That's right, bro.  Give your sister's ass all that
creamy good stuff."

   He shuddered as he was finally spent.  "Dammit, Kelse.  You know what
talking like that does to me."

   "Well duh.  S'kinda the point."

   I experienced a surge of disappointment as Logan withdrew.  I missed the
comfy full feeling in my backside already.

   On the other hand, it was probably just as well to end when we did.  I
ached in a soft, dull kind of way.  It could easily turn into an
unable-to-sit-down kind of thing if I'd let things get any crazier.

   Logan patted my bum, then lay down beside me.  I rolled a bit to face
him.

   "You didn't cum, did you?" he asked.

   I shook my head.  "Nope."

   "Sorry."

   "That's ok.  I don't really mind.  That wasn't the point of the
exercise."

   "Maybe not.  Would have been nice though, wouldn't it?"

   "Of course it would.  Cumming is always nice."

   Logan laid a gentle hand on my breast.  He idly swirled his thumb around
my nipple.  "Would have been nice too if you had a really good experience
the first time," he said.  "I don't think I did as well at that as I
hoped."

   "What?  Because I didn't have an orgasm?" I shook my head, then leaned
in and kissed him on the nose.  "It was wonderful, Gun.  Honestly.  It was
just exactly what I wanted."

   "Really?"

   "Yes, you silly brother you.  I figured out I like it in the butt, if
done properly.  Like, really like it."

   He grinned.  "I see.  Well then...  we might have to try it some more
and see if we can get you to cum too."

   "'We,' huh?"

   "Purely for testing purposes of course."

   "Right.  Of course.  Even though this was only gonna be one time?"

   "Well...  you know.  I don't think it would be right to leave you only
half knowing.  Getting off is important."

   I examined my brother's face from under half-closed eyelids.  This had
been one of the risks, I supposed.  That one of us would get a taste for
more.  Sex one time was one thing.  Sex many times was something totally
different.  Much less manageable.

   However...  my pussy tingled so happily at the thought of doing that
again.  Long nights of getting my ass broken in until I could take it like
a porn star...

   Bad Kelsey.  Bad, bad girl.

   And yet...

   "I mean, only for science purposes, right?" I said.

   "That's what I'm saying.  So when you find the right boy to do these
things with, you'll know exactly what you want."

   "How selfless of you to volunteer yourself for more excruciating work."

   "Is that a 'yes?'"

   I closed my eyes fully.  "You know it is," I said softly.

   ****

   Part Four: Double-Trouble Finale

   ****

   It was fair to say things hadn't worked out quite as intended.  Not in a
bad way necessarily, but certainly questionable.

   Logan seemed to think he had free access to my ass more or less whenever
he wanted it.  To be fair, that was probably because even when he wasn't
making moves to get at my butt, I was often asking for some anal play time
instead.  Neither of us had done a particularly good job of returning to
the status quo.

   I couldn't help myself.  Butt play was my new obsession, and I didn't
currently have anyone in my life to help out with that except for my
brother.  And I certainly couldn't resist when he added his cravings to
mine.  He knew how to get me worked up, and it was all the easier now that
he had fresh ammunition to use on me.

   We were pretty hopeless.

   Maybe even more hopeless than I thought, as I learned upon waking up one
morning.  There was a soft, wet tongue working on my ass as I stirred into
consciousness.  Bad enough that immediately assumed it was my brother's,
and that I was perfectly fine with that.  Worse still, it wasn't actually
him.

   Logan was, in fact, sitting next to me, gently stroking my hair.  This
confused me greatly until I looked over my shoulder and discovered Erin
with her face buried in my ass.

   "The hell?"

   Logan cleared his throat.  "So, uh, I might have told Erin some things."

   I sighed and laid my head back down on my pillow.  "Yeah, I know.  You
tell her everything.  Must be true love."

   "Hey, now."

   "Well you do."

   Logan shrugged.  "She knows how to make me talk."

   "I bet.  Probably threatens you with pounding your ass again if you
don't."

   Erin lifted her head, her tongue finally leaving my bottom.  "More like
use it as a reward.  Your bro's into some kinky shit, you know."

   The brightness of Logan's face suggested that she wasn't joking.

   "Go figure," I mumbled.

   "Aw, c'mon," Logan said, turning away for a moment.  "I just...  you
know."

   I patted his leg.  "You do you, Gun."

   Meanwhile, Erin was repositioning behind me.  She smacked my butt a
couple times.  "Up, now."

   "What?"

   "Up," she insisted.

   I thought about refusing, but what the hell.  I lifted my hips and
assumed the classic 'face down, ass up' position.

   "That's a good girl," Erin cooed.

   "That's hella patronizing," I grumbled.  And yet, I kinda liked it.

   Erin was ignoring me anyway.  She applied lube to my spit-slicked
butthole and gently massaged it in.  Her fingers probed a bit, then
withdrew.

   "You're just gonna let your girlfriend play with your helpless baby
sister like this?" I asked Logan.

   He shrugged.  "Kinda.  Yeah."

   "Oh.  Ok.  Fair enough."

   He was totally hard.  Of course he was.  His two favourite girls
engaging in some sexy sapphic anal action.  He must have been loving it.

   Something rubbery poked my bum.  Another glance back revealed that Erin
was, indeed, preparing to enter me with a strapon.  Probably the same one
she used on my brother.  Such exquisite depravity.

   "This is exactly the sort of things we shouldn't have let happen," I
whispered.  "Everything's changing."

   Logan patted and smoothed my hair.  "I know.  But...  it's kinda too
late to worry about that.  We're too far gone."

   "We are, aren't we." I sighed.  "We're gonna be ok though, right?"

   "Of course, Kelse.  Nothing's changed where it matters.  I still love
you same as always."

   Erin interrupted before I could reply.  "That is actually adorable.  I
really don't think you two understand just how cute you are together."

   "I don't think cute's the word for it," I said.

   "Well, we may have different perspectives on that," she said.

   "Your perspective seems to be straight up my ass."

   "So it does."

   I moaned aloud as she pushed inside me.  My butthole stretched, hurt a
tiny little bit, then gave way and allowed entry.  Erin's dildo thrust into
me, filling me up the same way Logan had been so often of late.

   "Goddamn," Logan whispered.

   I grinned to myself.  I knew he loved it, the horny bastard.

   My first ass-fuck with another girl.  That was something.

   She knew what she was doing, too.  She was firm and aggressive, but
always tempered and prepared to slack off when needed.  She was clearly
more than capable of dominating my ass, making me her little butt-slut, if
only temporarily.

   My ass would always truly belong to my brother.  I wasn't sure if I'd
ever fully realized that until just then, but it was true.  He'd been my
first, and he'd always be my favourite.

   I put my hand on top of Logan's and squeezed.  He smiled and laced his
fingers with mine, but I knew he had no idea what I was actually thinking.
I wasn't even sure he'd like it.  The idea that I'd always be his butt-slut
anytime he wanted me...  that was just another step too far.  One more hop
away from sanity and the safety of our carefully built life.

   Erin was really working on me now.  She had a firm grip on my hips and
was pounding hard in an attempt to get her strapon completely inside me. 
She was close, but hadn't taken the slow and patient route that might have
actually gotten her there faster.  I wasn't fully relaxed for her, and that
was making it a more difficult task for the both of us.

   Not that I minded.  My old fears about the pain of anal sex were long
gone.  A little ache, a little soreness, it all just added to the naughty
thrill.  I secretly loved being able to feel what Logan had done to me even
a day or two later.  It made the work day more fun, if less productive,
when I spent half my time shifting in my seat reminiscing about the night
before.

   "Boy, you can really take it," Erin said in an impressed tone.

   "Thanks.  I guess."

   "Logan's trained you well."

   I flushed and bit back an instinctive rebuttal.  I wasn't some puppy to
be trained.  And yet...  it wasn't a totally inaccurate descriptor.

   "But I understand he hasn't been able to make you cum," Erin continued.

   "He does.  Just...  not from this."

   "That's what she meant, Kelse," Logan said.  "Apparently that's the
point of this demonstration."

   "And here I thought she just wanted to pound my butt for fun."

   "It can be both," Erin said mildly.  She sank deep into my ass, then
held still for a moment.  "You do have a lovely butt."

   I squirmed impatiently.  She was still filling me nicely, but I wanted
more actual fucking.

   Erin shifted her grip and reached around me with one hand.  She rubbed
her fingers over my wet pussy and quickly zeroed in on my clit.  I purred
happily as she fingered the sensitive little nubbin.  That was more like
it.

   She started rocking against me again, thrusting in and out of my tight
butthole, while still playing with me around front.  Somehow I hadn't
anticipated just how amazing that would feel.  Ass-fucking and
clit-diddling were great on their own.  Together, they were fucking
phenomenal.  The peanut butter and chocolate of sex.

   "Holy fuck!"

   "Good, right?" Erin said just a tad smugly.

   "Sooo good."

   I moaned indiscriminately as I was doubly pleasured.  There was a
direct, jolting connection between the dildo in my ass and my humming clit.
It was driving me a bit crazy.

   Erin got a good rhythm going.  She got her hips and fingers moving in
synch, working together to make lovely, squishy things happen.

   And Logan was watching the whole damn thing.  My naughty big brother was
just sitting there enjoying the show, letting his little sister get pounded
in the ass by his girlfriend.  Goddamn.

   I could feel things happening inside me.  They were familiar, in a way,
but also new and distinct.  I hadn't been able to cum from butt-play alone,
and technically I still wouldn't, but having my ass-ramming be the main
contributor was a unique way to approach the end.  I arched my back, rocked
my hips, and nurtured the growing pleasure-bomb within.

   Then she stopped.  I whined in frustration and tried to keep moving on
my own.  Erin ignored me and pulled out, leaving my bottom sad and empty.

   "Hey!  What the hell?"

   She patted my butt.  "Sorry, Kelsey.  But it really should be Logan
finishing you off.  Now that he knows what to do, and all."

   I was only partly mollified.  It was kind of sweet of her, but also
annoying and didn't immediately do anything to satisfy the void in me.

   Erin swapped places with Logan and reclined next to me with her strapon
still jutting obscenely from her midsection.

   "Logan was telling me some more about you two," she said.  "I think it's
wonderful the things you do for each other.  And to each other."

   I shivered as Logan's cock pressed against my butthole.  "Are you sure
you don't just have a massive incest fetish?"

   "That might be part of it, sure.  I guess I really liked the idea of you
going to him when you're nervous about sex stuff."

   "Dammit, Gun," I muttered.  Not too loud, though.  He was just starting
to penetrate me and I didn't want to risk him stopping.

   "You've got by far the most adorable sibling relationship I've ever
seen," Erin continued.  "I don't want to get in the way of a 'first' that
rightfully belongs to the both of you."

   "You're a weird girl, Erin."

   "I know.  Fit right in, don't I?"

   My acknowledging grunt was half for her, half for Logan's cock which had
thrust halfway into my ass.  Maybe she was right.  Maybe her oddities fit
nicely with ours.

   I loved that my brother had been my first for a couple different things.
They were treasured memories.  And it was rather sweet of her to let Logan
be the first to make me cum from having my ass fucked, even if her motives
were pervy rather than altruistic.

   I wasn't sure what exactly to make of it all.  It probably didn't really
matter anyway.  I was going all mushy from Logan filling up my butt again,
and that was what truly mattered.  Whatever logical arguments I made, I
couldn't deny just how much I loved doing butt stuff with my brother.

   I cooed sluttily as my ass was once again filled up.  I squeezed Logan's
cock a couple times, then waited for the best part.  Having him deep inside
me was nice, having him slam balls-deep into me over and over was better.

   My body was shaken by rhythmic tremors of sexual gratification.  My face
pressed into the mattress with every thrust.  I threw my hips back to meet
my brother's every downstroke.  The fact that we weren't alone didn't even
register anymore.  I was in my happy place.

   Even though I knew it was coming sooner or later, I still squealed in
delirious pleasure when Logan reached around to my clit.  Thanks to Erin, I
knew what the combination could do, but it was even better when my brother
was the one doing it to me.  So much better.

   This time was for real.  I felt the anal orgasm forming inside me.  It
had been denied once, and was back with a vengeance.  Logan's nimble
fingers and plowing cock were a constant fuel for the fire.  I was going to
cum.  I was going to cum so hard.

   I whispered and writhed as it neared.  I needed it so badly.  And
beautiful, sweet Logan came through.

   I came explosively all over my brother's fingers.  The continual
pummeling of my asshole forced more and more from me.  My pleasure was too
vast to understand in the moment, too different from what I knew.  The
feelings flowing into and out of my butt were like nothing else.  Strange
and delicious all in one.

   My clenching muscles must have done something for Logan too, because I
felt spurts of cum inside while I was still coming down from orgasm.  He
grunted and buried himself entirely for the end of his ejaculation.  My
lips formed a lazy grin and I slumped happily against the mattress.

   When Logan pulled out, I still felt a sense of emptiness.  But it was
fine this time.  It was a comfortable faint ache rather than an urgent
longing.  I'd been satisfied, and I had my memento for the next day or two.

   "That was insane!" Erin said.

   I rolled over to face away from her.  I'd almost forgotten she was
there. Low squishing noises suggested she was busily fingering herself.

   "I mean it," she continued, "that was probably the hottest thing that-"

   "Ok," Logan said.  "Let's go."

   "But-"

   "Come on.  Here we go."

   "I just-"

   The springs lifted slightly as Erin was physically removed from the bed.
There was my big brother, being my hero.  God how I loved him.

   The door shut with Erin's protestations firmly on the opposite side. 
Footsteps padded back to me.  A warm, gentle hand landed on my shoulder.

   "You want me to call in sick for you?" Logan asked.

   "Ugh.  Hadn't thought about work.  How late is it?"

   "Late.  Like, you're meant to be there in ten minutes, roughly."

   "Shit.  Maybe tell them I'll be late an hour or two?  Say...  I dunno,
girl stuff?  Be vague?  Act grossed out?"

   "You got it." Logan leaned down and kissed the side of my head.  I knew
I was kind of sweaty, but he didn't say anything about it.  "Sorry for
taking over your morning like this."

   I rolled onto my back to better make eye contact.  "Don't be.  It was
wonderful." I reached up and traced his cheek with my fingers.  "I love
you, you know."

   He smiled and turned his head slightly to kiss my fingertips.  "I know.
I love you too." He got up to leave.

   "Hey, Gun?"

   "Yeah?"

   "That was fun, but I'm kinda worn out..."

   "Don't worry.  Me and Erin'll get cleaned up, then I'll drag her out
somewhere.  Give you some peace for a bit."

   I smiled gratefully.  "Thanks."

   He nodded, then left.  He knew me so well.

   I lazed around in bed another little while.  I replayed the morning in
my head, occasionally tracing over my body where certain sense-memories
remained.

   Erin may have been a handful, but she was definitely fun.  It might just
be a matter of getting her on a shorter leash, so to speak.  Get her under
control a little.  Hell, maybe next time she was the one who got rudely
awakened.

   My grin broadened.  Or maybe it was Logan who needed more waking up in
the morning.  Days when his girlfriend wasn't around to get in the way.

   Fuck I was hopeless.  That was exactly the sort of thing we'd tried so
hard not to think.

   And yet...

   I rolled onto my side and reached back to my butthole.  It was a bit
tender and abused.  Today was going to be interesting.

   What the hell, lots of things were going to be interesting.  We'd figure
it out.  We always we did.

   Me and Gun.  Always.


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