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Sleeping Sister's Semen Surprise
by Muc (address withheld)

***

Danny and Donna's parents are in Europe. He can't stop 
thinking about her gorgeous teenage body. Then he 
discovers that her nighttime medication makes her 
impossible to wake up. Each night, while she sleeps, he 
can explore his sister's body without her knowing. How 
far will Danny go before his parents get home? (mf-
teens, youths, nc, 1st, inc)

***

I. The Last Night

As he lazily stroked his cock, Danny though about what 
part of his sister's body he wanted to squirt his first 
load of hot cum. Donna was sleeping soundly, completely 
unaware that her horny sex-crazed brother was 
masturbating as he ogled her ripe sexy teenaged body. 
Donna was wearing her usual nighttime attire of an 
over-sized T-shirt and a pair of panties.

Danny was kneeling on Donna's bed, and the motion of 
his hand pulling his meat caused her large tits to 
bobble. Danny had cum on his sister's naked body 
several times a night, for the last 10 days. As he 
reached down and began to remove her pale yellow 
panties, he thought about some of the incredible 
orgasms he had achieved with his sleeping sister. His 
legs locked around her naked body, his hot throbbing 
cock pressed against Donna's soft warm flesh, pulsing 
out blast after blast of his hot sticky cum on her 
sweet young body. 

He thought back to the beginning, the very first time, 
ten days ago when he had first cum on his sister's 
naked body. 


II. In the Beginning

It all started 6 months ago, when Donna was diagnosed 
with sleep apnea.

It's a condition where the person stops breathing 
during the night. This wakes them up and they start 
breathing again, but their sleep cycle is disrupted and 
it's very hard to get a good night's sleep. After 
months of doctor's visits the problem was finally 
diagnosed and pills were prescribed that would allow 
Donna to continue to sleep through the night. 

Donna is my fifteen year-old sister. My name is Danny 
and I just turned thirteen. Even though Donna is built 
like a brick shithouse, I had never had any sexual 
thoughts about my older sister until very recently, 
when like all young boys I discovered the joys of 
masturbation.

Now it seemed like my dick was constantly hard and late 
at night as I lay in bed and pulled my cock, my mind 
would be filled with images of girls. Girls from 
school, girls I had seen on TV, magazines or in the 
movies and lately images of my sexy big sister began to 
creep into my thoughts. Let me describe what Donna 
looked like. She was short, only about 5 foot tall, but 
she had extremely beautiful features and was very well 
built. 

She had a naturally dark skin and long flowing black 
hair. Her most outstanding feature was her body. Donna 
had full large breasts, a slim waist and a rounded ass 
with a dynamite pair of legs. She was on the swim team 
in school and also a cheerleader for the football team. 
There was not an ounce of fat on her and although she 
dressed conservatively, her voluptuous body was hard to 
disguise. She was regarded as one of the hottest 
looking girls in school. Even though I had jerked off 
thinking about her nude body, it was just a harmless 
fantasy until my parents went to Europe for their 25th 
wedding anniversary. What set the whole thing in 
motion, was when the phone rang in the middle of the 
night. It was the folks checking in from Europe. 

Dad forgot that with the time difference that he was 
calling at 3:00 AM. We chatted for a while and then 
they asked to speak with Donna. I slipped on a pair of 
boxer shorts and entered her room to wake her.

I switched on the light and called her name. Nothing. I 
walked over to the bed and shook her shoulder. Nothing. 
I shook her harder and called her name loudly. Nothing. 
I went back to the phone and said that she was fast 
asleep. Dad explained that it was the medicine she was 
taking for her apnea that made her sleep so soundly. 
The folks promised to call again tomorrow, at a normal 
hour. After I hung up, I started back towards my room 
when I realized I hadn't switched off the bedside light 
in Donna's room. 

As I walked over to the lamp, I looked at Donna. She 
was sleeping on her stomach, her head cradled in her 
arm. I could make out the shape of her ass beneath the 
sheet that covered her, and part of one shapely tanned 
thigh peeked out from under the sheet. As I stared at 
her leg, my cock began to throb and harden in my 
shorts. 

Her bed was a futon mattress on the floor and I kneeled 
next to her and called her name and shook her shoulder 
like before. I put my hand on the swell of her hip and 
shook her really hard. She didn't react at all. I put 
my hand on her bare leg and slowly rubbed my hand up 
and down her leg. My penis was erect and tenting out 
the front of my shorts. I pulled the sheet over a bit 
exposing her panty-clad ass. With the care of a bomb 
disposal expert, I pulled the sheet from her body, 
until Donna's body was totally uncovered.

My cock hardened in my shorts as I gazed at my sister's 
sweet ass. Her one leg was bent at the knee and I had 
an unobstructed view of her crotch. Like a moth drawn 
to the flame, I reached my hand out and ever so gently 
rubbed my fingertips over her inner thigh. Donna's skin 
was softer than anything I could ever have imagined. 
And it felt warm and pliant beneath my probing fingers. 
Without even realizing it, my other hand began to 
stroke my cock through my shorts as I continued to 
caress and fondle Donna's thighs. 

Donna hadn't stirred a bit, and I became bolder as I 
let my hand stroke upwards until I lightly brushed 
against her panty covered mound. I softly probed and 
prodded between her legs ready to flee in an instant if 
Donna moved. My cock was all twisted in my shorts so I 
stopped for a moment and pulled my shorts down letting 
my cock spring free. I grasped it with my good hand and 
began to pump it up and down as I stared at Donna's 
naked thighs and panty covered ass. 

It was too much for my young cock to endure and I 
stifled a moan and bucked my hips wildly as thick 
streams of cum flew from my cock and landed on Donna's 
ass and legs. I continued pumping and squeezing my cock 
as jet after jet of sticky cum landed on her ass, 
thighs and sheets.

The sight of my sister's body speckled with her 
brother's cum was one of the most erotic sights I have 
ever seen. As my lust subsided, I felt ashamed about 
what I had done and got a washcloth and carefully wiped 
up as much of my jism as I could. I then covered her 
with the sheet, turned out her lamp and went to bed. As 
I lay in bed, my mind's eye replayed the event from 
start to finish. My experience with girls up to that 
point had been a few kisses and one quick feel of Mary 
Ellen Tomzack's sweater-covered breasts.

What if Donna woke up in the morning and knew what had 
happened. What if she told Mom and Dad? I couldn't live 
with the shame. Eventually I drifted off to sleep and 
was awakened by the ringing of my alarm clock.

As I got up and got dressed for school, I thought again 
about what had happened last night. I went downstairs 
and was eating a bowl of cereal when Donna came into 
the kitchen.

"What are you looking at?" Donna said with her usual 
early morning grouchiness.

"Nothing," I mumbled as I bent my head down and 
concentrated on spooning cereal into my mouth.

As Donna bustled about fixing her breakfast, I stole a 
glance at her. She seemed the same as before. She sat 
and we chatted about school and such and she gave no 
indication that she was aware of the fact that I had 
jerked-off and shot my cum onto her sleeping body. I 
had gotten away with it! All day at school it was tough 
to focus, my mind kept drifting back to replay the 
scene in VF's bedroom. When I got home, I spent most of 
the night in my room, playing with my computer and 
thinking about Donna's body. She went to sleep around 
eleven, and I turned in about the same time, but not 
before I set my alarm for three AM. 


III. The Next Night

I awoke to a ringing alarm and groped around and shut 
it off. I was instantly awake and I padded quietly into 
Donna's room. She was asleep, lying on her stomach just 
like last night. I switched on the light and again 
tried to wake her by shaking and calling her name. She 
was out like a light. I pulled down the sheet until she 
was uncovered once more. Tonight she was wearing a pair 
of dark purple panties that were stretched tightly 
across her sexy ass. Her legs were pressed together and 
I debated trying and move her leg a bit to make her 
crotch more accessible. 

I decided to try and I slipped my hand under her knee 
and slowly moved her leg towards the edge of the bed 
till her mound was visible. I began to caress her leg, 
stroking my hand from her knee along her plump tanned 
thigh and ending with a gentle probe of the mound 
between her legs. My young cock grew hard and I decided 
to remove my shorts completely. My cock sprang free and 
I stood there, fisting my cock as I drank in the sight 
of my sister's sexy ass and legs. Her T-shirt was 
covering the top of her panties, so I carefully pulled 
it up exposing her ass in all its glory to my hungry 
eyes. 

I knelt down beside her and let both hands explore her 
soft creamy thighs. I would rub up one thigh, probe at 
her panty covered mound and then rub down the other 
soft thigh. My breathing was becoming ragged and I 
threw my right leg over hers so I was straddling her 
thigh between my legs. I grasped my dick and as my hips 
rocked, I masturbated with the tip of my cock inches 
away from her thigh. I leaned forward slightly until 
the head of my cock touched the back of Donna's thigh. 

The feeling of her warm skin on the sensitive underside 
of my throbbing cock was too much for me and I began to 
spurt my hot cum all over her thigh. A moan escaped my 
lips as I thrust my hips forward letting my cock ride 
along the flesh of her leg, as my dick squirted thick 
wads of cum onto her thigh. I thought I would pass out 
so intense was my orgasm. I looked down an d saw that 
my entire penis was lying on my sister's thigh and that 
cum had shot up onto her panties and lower back as 
well. 

When I finally regained my breath, I dismounted and 
went to the bathroom and cleaned off my cock and came 
back with a warm washcloth and cleaned the sticky cum 
off Donna's thigh and back. Her panties were damp with 
cum and there wasn't much I could do about it so I 
covered her up and went to bed. I couldn't sleep. 
Images of my cock spurting white incestuous sperm onto 
my sister's thighs filled my mind as I closed my eyes. 
My cock stiffened and I stroked it lazily as I replayed 
the scene in my mind.

I kicked off the covers, stripped off my shorts and 
went back to Donna's room. It was 3:30 AM and I hoped 
she was still sound asleep as I peeled the covers back. 
Her panties were dark where my hot cum had spattered 
her ass. My cock was already rock hard as climbed onto 
the futon and positioned myself over her other leg. I 
lowered my body slowing, holding myself up with arms 
like I was doing push-ups until I felt my hot cock 
touch the smooth cool skin of her leg. 

I began to rock back and forth sliding my cock up down 
along her leg. I could feel the razor stubble from when 
she shaved her legs, tease and tickle the sensitive 
head of my cock. I inched forward slowly letting my 
dick travel up her leg until her pliant thigh was 
clasped firmly between my legs. I pumped back and forth 
slowly. Feeling deliciously wicked as my hard cock 
rubbed against my sleeping sister's leg.

I pulled myself forward allowing my cock to ride up 
until the head was gliding over her ass cheek. I 
stifled a groan as I continued to rock my hips in a 
fucking motion with my sister's panty clad ass beneath 
my hard cock. I reached down with one hand and lifted 
up the elastic of her panties and slid my cock inside 
her panties and onto the soft flesh of her ass. The 
feeling was indescribable and I knew I wouldn't last 
long as I continued thrusting my penis against her ass. 

I actually felt my balls twitch as cum rocketed up the 
shaft of my cock and exploded against Donna's ass. I 
looked down from above and saw her panties darken as my 
balls pumped wave after wave of cum into her panties 
and onto her ass. I realized that I was really pressing 
my cock forcefully into her ass as my cock slowed its 
spurting and the last few squirts shot onto her ass.

My arms became from holding myself aloft, and I pulled 
backed, my still hard cock slipping from the leg band 
of her panties, as cum trickled down her thigh. I got 
off the bed and again cleaned myself with a washcloth 
and returned to wipe my cum from my sister's body. The 
back of her panties were soaked with cum, and I 
carefully rolled down the waistband, exposing her ass 
and I wiped off the sticky cum as best as I could. 

Her panties were very damp and I prayed that she would 
not notice how sticky her butt was when she awoke. I 
knew from living with her, that she sleep as late as 
she could in the morning and within minutes of 
awakening she was in the shower. I covered her again 
with the top sheet, turned off the lamp and returned to 
my bed and was fin ally able to drift off to sleep.

The next morning she was her usual old self and I 
realized that I had gotten away with it again. After 
she left for school, I ran upstairs and checked in the 
hamper and found the purple panties. The back was very 
slightly spotted with my crusted white cum and I 
realized that I would have to be more careful in the 
future. And there would be a future...


IV. The Next Night

The alarm went off and I was up like a shot my cock 
throbbing softly like Pavlov's dogs hearing the bell 
ring. I strolled into Donna's room and turned on her 
lamp. I decide that tonight I would test and see how 
deeply the medicine made her sleep. I kept my shorts on 
just in case she awoke, and I shook her shoulder fairly 
hard as I called out her name. I put one hand under her 
shoulder and slowly rolled her over onto her back. I 
straightened out her hips as well. I gently slapped her 
face trying to rouse her to no avail. 

I pulled the covers down to the end of the bed. My 
mouth began to water as I drank in Donna's luscious 
young body. Her breasts strained against the thin 
material of her T-shirt and her green panties encased 
her swollen mound. Her deeply tanned legs looked even 
sexier from the front then they did from the back. I 
stripped off my shorts and stood over my sister's body 
as my cock pulsed softly like it had its own little 
heartbeat. I kneeled down next to her and touched her 
breasts through the material of her T-shirt. They felt 
so wonderfully soft yet firm and I was amazed as I felt 
and saw her nipple harden. 

I held open the bottom and slid my hand in and grazed 
the skin of her stomach. I slowly circled my hand 
higher and higher until I felt the swell of her tit 
with my hand. Ever so gently I rubbed and fondled her 
sweet young tits. I had to see them. I withdrew my hand 
and then carefully inched her shirt up, working from 
side to side until her tits were finally revealed. They 
were large and had a dark pink areola and the nipples 
were fairly big. Not that I was much of a judge. Aside 
from a few Playboy and Penthouse models, this was the 
first live pair of tits I had ever seen. 

I stretched out on the futon, reclining next to Donna, 
and began to lick and suck her tits. I scooted my hips 
forward so that I could rub my erect penis against her 
leg as I licked her tits. Her nipple became erect in my 
mouth and it felt so incredibly sexy to be licking and 
sucking my own sister's tits. I would suck one tit and 
fondle the other with my fingertips as pre-cum leaked 
from my cock and glistened on her dark thighs. 

I felt a familiar rumbling in my balls and moved my 
cock off her leg to try and prolong my pleasure but I 
had waited too long. I grabbed my swollen member and 
aimed it at Donna's tits and after a few good tugs, cum 
spewed from the purple tip and splashed onto her chest. 
Spurt after spurt of my white-hot semen landed on my 
sleeping sister's firm tits. I leaned forward and 
rubbed the tip of my cock over the soft flesh of her 
tits as I squeezed the last drops from my cock onto her 
nipples.

My heart was thundering in my chest from the sheer 
force of my orgasm and I lay back on the futon and 
closed my eyes and recuperated. I must have dozed for a 
few minutes but when I checked the clock it was only 
3:40 so I still had plenty of time. I went to the 
bathroom, took a leak and came back. Donna's tits were 
covered in her brother's cum and a small pool of cum 
had collected between her tits. The sight of my 
sister's cum-covered tits caused my cock to harden 
again. I looked down at her bare legs and the soft 
mound of her pussy. 

I kneeled down and slowly rolled her panties down over 
her hips, down her sexy legs and finally off. I spread 
her legs and looked at her pussy. Her cunt lips looked 
soft and inviting and sparse black hair surrounded her 
vagina. I licked my middle finger to moisten it and I 
slid it slowly up and down her crack. It felt strange 
yet somehow wonderful as I looked at Donna, sleeping 
soundly as I moved my inexperienced fingers between her 
legs. My cock throbbed with passion, but it would have 
to wait a while longer. 

Her pussy began to get moist as I slid my finger deeper 
and deeper into her cunt. I was amazed at how hot and 
wet it felt. Her cunt seemed to pull my finger deeper 
and deeper inside her. I spread the lips with my hands 
and saw the little nub, which I knew, from looking at 
medical textbooks, was called the clitoris. I touched 
it with my thumb and began to lightly stoke it.

Donna gave a low moan and I froze like a statue, my 
finger still in her cunt. If she opened her eyes she 
would see me kneeling there naked, hunched down between 
her thighs with my erect penis throbbing slowly. Even 
though she was sleeping deeply, she could still feel 
what I was doing to her. I decided to lay off her 
clitoris and continued to finger her dripping pussy. 
From the porno magazines that I had seen I knew that 
guys licked girl's pussies and I figured that I should 
try as much as possible while I had the chance. 

I lowered my head and brought my tongue up to her cunt 
and licked her pussy. I licked all over the lips and 
stuck my tongue deep inside and tasted the juices that 
were flowing from my teenaged sister's cunt. After a 
few minutes I stopped, realizing that maybe this did 
something for the person getting her cunt licked, but 
it did nothing for the licker. Her cunt was now shiny 
with her fluids and I wanted to stick my cock inside my 
sister hot cunt and fuck her. But I knew I couldn't. 
What if she became pregnant and they found out it was 
her brother who had impregnated her? Maybe I could just 
rub my cock on her cunt, I thought.

I positioned myself between her spread legs and put the 
shaft of my cock between her wet pussy lips. I rocked 
my hips back and forth, my cock slipping deliciously 
between the hot wet lips of my sister's pussy. The 
force of my thrusts caused her tits to shimmy and 
shake, and I leaned down and licked her nipples as I 
continued to rock my hips. Her nipples hardened under 
the ministrations of my tongue. I raised my head and 
glanced down and saw my engorged cock appear and 
disappear from between my sister's crotch and I felt my 
balls rumble with desire. 

If Donna had awakened that very second, I don't think I 
would have been able to stop. I thrust my hips forward 
and felt the shaft of my cock sink even deeper into the 
soft wet flesh of her cunt. Her ripe full breasts were 
jiggling obscenely as I continued to fuck my sleeping 
sister's wet pussy lips. My buttocks clenched as the 
first blast of cum spurted from the end of penis and 
hit the wall behind her head. 

Afraid of getting my sperm in her cunt, I let my cock 
slide up onto her stomach and spewed my hot seed onto 
my naked sister's tits and stomach. I whimpered softly 
as the last drops of my sticky cum leaked from my dick 
and pooled in her belly button. My head was spinning, 
as I cleaned us both off and tumbled into bed for a few 
hours sleep.

I was hooked. Night after night, I crept into my 
sister's room, naked with my cock erect and throbbing. 
I licked and fondled and caressed her voluptuous 15 
year-old body. 

I squirted load after load of hot cum on her naked 
body. I came on her hands, her tits and her face. I 
rubbed my cock on her thighs, her ass, her lips and her 
cunt. She never suspected a thing. I even jerked off 
into the bowl when I scrambled some eggs for her 
breakfast while she was in the shower. I sat across 
from her at the breakfast table, my cock throbbing 
wildly as she ate the cum-laced eggs. My parents were 
due back from their trip in two days, and still I crept 
into to my sister's room to cover her innocent ripe 
body with my horny young cum.


V. The Last Night

I finished sliding her panties down her legs and tossed 
them onto the floor. The T-shirt is trickier to remove, 
but after the last 10 days of practice, it comes off 
easily. Donna's magnificent teenaged body is revealed 
to his eyes once more. Donna is deeply tanned and the 
pale contrast of her big tits and pussy become like 
bulls-eyes to my hungry eyes. My cock throbs softly as 
I gaze at my sister's sexy teenaged body.

I lean over and began to fondle Donna's pussy. Her 
young cunt was fringed with dark black hair. I slid my 
middle fingertip up and down between the two plump lips 
of her warm cunt. Her pussy began to get slick and wet. 
I let my whole finger slip in and then slowly I began 
to fingerfuck my sleeping sister. The only sound in the 
room, is Donna's soft breathing and a squishy sound as 
I finger her pussy. 

I spread her legs and then climb on the bed, straddling 
my sister's naked body. I drop my groin down so that my 
randy young cock is rubbing between her wet pussy lips. 
I'm balanced on my knees and elbows, as my hands reach 
out and begin to fondle Donna's large tits. I rock my 
hips back and forth grinding my thick dick against my 
sister's wet pussy.

Her nipples stiffen under my fingers and I slow my 
thrusting, trying to prolong the exquisite feeling of 
my hot young cock, pressed against my sister wet cunt. 
I pulp and squeeze her big tits as I slowly slide my 
hard cock through Donna's sopping pussy lips. I bring 
my face close to hers and lick her lips with my tongue. 

I wonder what she is dreaming about? Probably not that 
her younger brother has his tongue on her lips, his 
hand on her tits and his cock on her cunt. I feel the 
pressure building in my ball s and I know I have only a 
few more thrusts left. I sit up and grab my straining 
cock and give it a few good yanks, and a stream of hot 
white cum blasts from my cock shoots up across her body 
and lands on Donna's face. 

I continue to pump my cock and jet after jet of sticky 
cum pulse from the engorged tip and splashes onto 
Donna's naked body. Her tits are spattered as my cock 
slows it's spewing, her chest and stomach become dotted 
with cum. My heart is thudding in his chest and I let 
out my breath with a whoosh, not even realizing that I 
had been holding my breath as I came. I look down at 
Donna's sleeping body, her brother's thick white cum 
all over her darkly tanned body. I milk my cock and the 
final drop of cum plops onto her stomach.

I can't every remember shooting this much cum! I smear 
the warm cum on her nipples and tits until they become 
shiny with a thin coating of my cum. I stop and sit up, 
admiring my handiwork. I lean forward and wipe a blob 
of cum from Donna's cheek with my finger. I rub the 
warm cum onto her lips and let the cum-covered finger 
slip between her lips where Donna begins to softly 
suckle at it. My cock starts to harden as she sucks on 
my finger. Do you think ... Do you suppose ... I look 
at my sister's face. Donna sleeps soundly on, 
blissfully ignorant to the fact that her brother has 
just played with her tits and shot his cum all over her 
naked body. Being that I am only thirteen and 
perpetually horny, I knew that tonight would be a long 
night both for myself and for Donna, my sweet sleeping 
beauty. I take her hand and mold it around the shaft of 
my cock and begin to thrust back and forth with my 
hips. It feels like she is jerking me off. Her tits bob 
and sway as I contemplate my latest discovery.

Should I try and put my cock in her mouth? The thrill 
of the last night was upon me and I turned Donna on her 
side and brought my groin up so it was even with her 
mouth. I held my cock in my hand and brought the head 
forward until it grazed her lips. They felt so smooth 
and soft as the head of my cock rubbed against them. 
Pre-cum leaked from my cock and I coated her lips with 
the white fluid. I put my other hand behind her hand 
and held her steady as I let her jaw sag open. With 
extreme care and caution, I moved my hips forward and 
the purple head of my cock slid between my sister's 
full lips. I paused with just the head in her warm 
mouth and looked at her face. 

The site of my gorgeous young sister, her lips parted 
and the blue-veined shaft of my cock emerging from 
between her lips almost caused me to blow my load right 
then. I held the shaft of my cock with one hand and 
slowly moved my hips forward letting another inch of my 
cock enter my sleeping sister's wet mouth. And then it 
happened. She began to suckle and nurse at the end of 
my cock. I strangled a cry as her mouth and lips sucked 
on the end of my cock. The feeling was incredibly 
intense and I began to buck my hips in time to her 
sucking. Holding her head steady, I pushed another inch 
of my hot cock into her mouth as her velvety lips slid 
over the throbbing shaft. 

I could feel her exhaling through her nostrils on the 
shaft of my dick. I began to gently move back and forth 
fucking my sister's mouth as I felt my orgasm start. My 
balls were boiling and I thought that the prudent thing 
to do was to pull out and cum on her face. But the male 
instinct when you are coming is to push forward and 
instinct won out. Involuntarily, my hips rocked forward 
and another inch of my cock entered Donna's mouth. The 
world exploded behind my eyeballs, as my cock spurted 
its hot load of semen into my sister's mouth. I saw 
twin streams of cum leaking from the corners of her 
mouth as I continued thrusting my cock into her mouth. 

Again and again my cock pulsed as cum shot from the tip 
of penis into Donna's mouth. I saw and felt her swallow 
as I pushed even more of my cock into her mouth as the 
final load of hot cum shot from my dick. She swallowed 
a few more times as cum dripped from the corners o f 
her mouth. My cock twitched a couple of times as the 
last of my orgasm flowed into her mouth. I lay like 
that for a few minutes with my semi-hard cock in my 
sister's warm mouth. Finally I moved backwards and my 
penis slipped from between her lips and a large gob of 
cum drooled down her chin and onto her chest. 

Wow! I wish I had tried that earlier in the week. My 
parents were due back tomorrow and I wasn't sure how if 
I would be able to do this with them in the house. 
Imagine if five minutes ago Dad had opened the door to 
check on Donna and had seen my cumming in my sister's 
mouth while she slept. God knows what he would do to 
me. Until they went on vacation again, this was my last 
chance at my sister's lush body. I decided to end with 
a bang.

I put a spare sheet and a small pillow under her ass 
and spread Donna's legs and again finger her young 
cunt. She quickly gets wet as I look at her naked body. 
Cum is dripping from between her lips and her stomach 
and tits are frosted with my last two loads. My cock 
begins to harden as I slip a second finger deep inside 
my sister's hot cunt. I move myself between her legs 
and rub the head of my cock between the juicy lips of 
her cunt. 

The head of my cock sparkles with her juices as I lean 
forward and push and I feel the head of my cock enter 
her cunt. I look down and see the shaft of my dick 
emerging from her cunt. It feels tighter and hotter and 
wetter than I possibly could have imagined. I push 
forward again and about half my cock sinks into her 
pussy. I pause acclimating myself to the feeling and 
then with a final lunge, my cock slides all the way 
into my sister's cunt and I feel my balls up against 
the cheeks of her ass. It feels like heaven. 

My cock is gripped tightly in her pussy, as I lean 
forward and feel her tits crush against my body. Slowly 
I move my hips backward until just the head of my cock 
is in her pussy and then I drive my hips forward until 
I am totally within her again. So this is what sex is 
all about (except for the fact that the girl is asleep 
and she's my sister). 

I reach my hands up and grab her cum-covered tits and 
fondle them as I begin to move my ass back and forth 
fucking my sister. Her nipples harden under my fingers 
and I stare into her face, my cum still leaking in twin 
trails from her lush lips. Her tits flatten under my 
hands as I begin to thrust harder and harder, driving 
my stiff cock into her yielding flesh. My hands grow 
slick as I rub my slick cum onto her tits. I look 
downward fascinated as I see my cock withdraw and then 
disappear inside my sister's body. I feel a sensation 
in my balls and I quickly withdraw and pinch the head 
of cock stopping my ejaculation. I am breathing heavily 
and my knees feel weak. 

I hop off the bed and get a drink of water from the 
bathroom trying to calm myself down. I look down at my 
cock shiny from her juices and head back into her room. 
I look at my sister lying naked on the bed. Her thighs 
are spread and her juices are dripping from her cunt 
and running down both thighs. Her tits are shiny and 
sparkle with my jism, and her lips and chin are frosted 
with my semen. My own nipples are hard and my cock is 
throbbing softly. I climb back on the bed and again 
guide my cock to the entrance of her cunt and let the 
engorged purple head slip in. I push forward and allow 
my shaft to slowly enter my sister's wet cunt until my 
balls are pressed firmly against her ass. 

I begin to slowly and lovingly fuck my sister as she 
sleeps. Her tits jiggle from the force of my thrusting 
which excites me even more. I slide my hands under her 
ass and lift her up as I try and get my cock as far 
inside her snatch as it will go. I'm up on my knees so 
it's easy for me to look down and see the shaft of my 
cock as it plunges in and out of Donna's hot cunt. I'm 
grunting softly as I plow my cock in and out, her tits 
flopping around from the impact of our bodies. I feel a 
familiar rumbling in my balls and I hold her ass even 
tighter as my hips are flying back and forth. 

I had planned to pull out and shoot my load on her tits 
and face, but I am unable to do it. I drop her ass and 
move her thighs so they are together and place my legs 
on the outside of hers. I squeeze my legs together, 
which squeezes her thighs together, which makes her 
cunt grab my cock even tighter. I reach and hold her 
tits again. My hips are bucking wildly as I fuck her 
without regard for the fact that she could awaken at 
any moment. I feel my penis get even larger as I lunge 
forward, my cock as deep as it can be in Donna's cunt. 
It begins. 

The first load of cum shoots from my cock into her hot 
pussy. My ass cheeks are clenched as I squeeze her big 
tits as jet after jet of hot cum explodes into my 
sister's body. I collapse on the bed next to her, 
totally spent. I get a warm rag and clean my hot cum 
from my sister's naked body and redress her and pull up 
her sheet. Before I turn out the light and go, I give 
her a gentle kiss on the lips.

**

The next morning I'm at the breakfast table when Donna 
comes downstairs. When I ask her how she slept she said 
"Like a baby!" We make plans to pick Mom and Dad up at 
the airport. During the day I reflect back on the past 
ten days and wonder if I'll have the guts to try this 
while my parents are sleeping across the hall from 
Donna's room. Of course the extra risk of getting 
caught in my sister's room naked with a hard-on could 
intensify the whole thing. And if not, the parental 
units are going to Jamaica during the Christmas 
holidays. 

Either way I look at it, I expect to be seeing a lot 
more of my sister's sweet body. 

END

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This story was written as an adult fantasy. The author
does not condone the described behavior in real life.

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Kristen's collection - Directory 55