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                 K R I S T E N' S    C O L L E C T I O N
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This work is copyrighted to the author © 2013.  Please
don't remove the author information or make any changes
to this story.  All rights reserved. Thank you for your 
consideration.
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Serving My Sister
by Realoldbill (no address provided)

***

A young man and his younger sister become lovers and 
then it gets better. (mf-teens, youths, inc)

***

I’m sure would have been different if she were fifteen 
and I was only twelve, but just the opposite was the 
case. I was almost three years older than my pretty 
little sister.

I had just "enjoyed" a serious growth spurt and had 
reached almost six-one and about 165 pounds which was 
Ok but the big thing, no joke intended, was that my 
genitals had matured wonderfully and impressively. At 
least they were impressive to the guys I showered 
with. It was hard to measure because it curved upward 
when it was stiff, but it was at least seven and 
probably closer to eight inches long and about as big 
around as one of those energy-drink cans, maybe the 
handle of my tennis racket was just about as thick and 
hard. 

I could get my hand around it but she could not. The 
head was incredible now, purple-red, seriously sloped 
and bullet shaped with a hard ridge that flanged out 
and really hooked on when it was fully in. Screams 
were normal when I fucked a girl, dozens of them, 
every time I pulled back. My testicles had also 
matured and my scrotum was now nearly baseball-sized 
when it got excited and hard as a billiard ball. My 
recovery time was very short, and I usually could 
climax three times before needing a rest.

Now my sister, on the other hand, had matured 
relatively early and was developing breasts when she 
was ten or so and a girlish shape by the time she 
reached twelve. Now she was almost as tall as I am, 
wonderfully long-legged and well beyond cute. Boys 
drooled and full-grown men stopped and stared. 

The fun started when she began having weekend 
sleepovers the summer after her 12th birthday, and the 
house was filled with squealing girls in frilly pj's 
or tiny nighties. I was in an almost constant state or 
sexual arousal.

One Sunday afternoon after the three guests had 
finally departed with more squeals, she came into my 
room and stood beside me.
"What's going on?" she asked. "You're always hiding 
out when my friends are here, closing your door or 
going down to the basement."

I stopped reading the porn story I was enjoying, put 
my Mac to sleep and turned to face her, lust in my 
heart, my balls in turmoil, well beyond tumescent, 
painfully eager as I had been for a couple of days.
I put my hands on her butt and pulled her close so 
that her pointed jugs were right on my chest and her 
lips were there to kiss. We kissed.

"Let me show you," I said when our mouths pulled 
apart, and we both got our breath. I opened my fly and 
flopped out my excited but not fully erect member. It 
just hung there, long and thick and pink, jumping 
around, the big head swinging from side to side.

She squealed but I wouldn't let her go as it rose 
between us until it was right below her lovely jugs.

"See this thing, this big thing. When you and your 
friends go running around almost naked, it gets kind 
of excited, painfully in fact, and I have to release 
the tension or I'll go crazy. So I got downstairs and 
jerk off at the set tubs. Understand?"

She nodded and licked her lips. Then she reached out 
and touched it with her forefinger and blinked at me. 
We kissed some more with her hand on my shaft, and she 
skinned off her shorts and underpants and climbed up 
on my knees, legs widely spread, our eyes locked 
together. We didn't say anything as she wiggled 
forward, rose on her toes, grasped my blood-hot ram 
and captured my glans with her fluttering labia.

"Oh," she signed, "it's so big and hot." I felt her 
lips close behind the head. I was in a girl for the 
first time and no longer a virgin.

My hands still cupped her buttocks and I pulled her 
closer and down on my rigid shaft. She whimpered. In 
it went, inch by inch, slowly spreading her open, 
dividing her hymen and filling her pre-teen vagina.
She gasped and shuddered when it was in to the balls 
and leaned her head on my shoulder.

"Wonderful!" she gasped. "I knew it would be!"

Her pussy rippled the whole length of my throbbing 
shaft. Now she was no longer a virgin either. We had 
deflowered each other, taken both cherries.

I pulled back and inch or so, and she squealed as her 
flesh was stretched and what was left of her hymen was 
ripped from her. I pushed it back in quickly, and she 
moaned and moved her hips up against my thrust, still 
fluttering, her baseball-size boobs hard against my 
chest, my pubic hair and bones abrading her tiny clit. 
We began, heaving and humping together, both of us 
grunting with effort, snorting for breath, giving and 
taking. We were ignorant but hot and hard to please, 
to satisfy.

I stumbled to my feet with my luscious sister wrapped 
about me and heaving her slot massaging my rod and 
made it to my bed, laid her down, mounted up, pushed 
her knees back toward her ears and had at her.

She was one the few girls I ever brought off with just 
my cock, and it was a good thing we were alone in the 
house because she really screamed when she arched on 
my striving ram.

I was still pumping when she calmed, and I asked, "You 
fertile, or safe?"

She shook her head and I slowly pulled it out of her, 
clamped hard on the underside and slid up between her 
jutting tits to her mouth before I ejaculated and my 
sperm dribbled from her chin.

We both went to the bathroom and cleaned up some, and 
then I lay back with my cock standing upright in my 
hand, and she mounted me and rode me hard until she 
gave up on climaxing again and collapsed sobbing with 
pleasure. I rolled her over and again reached the 
point of no return, pulled it out, and she jumped on 
it and sucked. I exploded three times, crying out with 
pleasure.

That was how it started.

After that almost every weekend, she brought a nubile 
girl to my bed and I deflowered her.

It was Friday and I was ready, eager to meet the next 
little beauty who would pay homage to my cock. After 
nearly three months of action, I had taken exactly a 
dozen cherries and put pictures and descriptions of 
what each girl and I did in my computer along with 
pictures and short movies my sister made with her 
phone.

I heard the door slam and the feet on the stairs and 
there was my beautiful sister and a pair of beautiful 
blondes. "Look, look," she cried, "twins. Aren't they 
pretty?"

END

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
This story was written as an adult fantasy. The author
does not condone the described behavior in real life in
anyway shape or form. Anyone tempted to act out any of
the scenarios in this story; should seriously consider
seeking professional help.
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Kristen's collection - Directory 76