A revised version of a classic story of incest, bisexuality and first time sex

This story was written as an adult fantasy.
The thought of watching his sister screw excited
Justin. Janet was fifteen, and a cute girl with blond
hair and a nice smile. She had had sex before, and he
had always wondered what it would be like to watch
her do it. He’d seen her naked a couple times and
promptly jerked off after.

Justin’s friend, Scotty, was staying overnight, and
had confided in Justin that Janet planned to sneak
into the room tonight and have sex with him. Both
boys were thirteen and still virgins. Justin wasn’t
surprised Scotty was going to lose his first; all the
girls liked him. He was like a cross between Justin
Beiber and Taylor Lautner.

So as the boys got ready for bed that, Justin watched
Scotty strip down to his briefs and lay on top of the
guest bed. He could see Scotty’s stiff penis under
his briefs and felt very jealous that the other boy
was going to get laid.

The lights went out (except a small nightlight), and
the boys waited, pretending to be asleep. After some
time the door opened and Janet crept in wearing only
a bra and panties. She snuck over to Scotty’s bed and
put a hand over his mouth, then held her finger up in
the “Shhh” gesture.

“He’s asleep,” Justin heard her whisper. “No one will
know.”

She then pulled down her panties and straddled Scotty
in the bed. Janet then began rubbing at the bulge in
the younger boy’s underwear, and then slowly pulled
them down to allow his adolescent penis to spring
free.

Janet gave the boy’s penis a couple gentle strokes,
then held it up and slowly lowered her vagina down
around it, taking it all the way inside her in a
smooth, easy motion as a quiet moan of pleasure
escaped Scotty’s lips.

Justin watched, mesmerized, as his sister rode his
best friend’s penis. It was the coolest, most awesome
thing he’d ever seen, and became even cooler when the
two rolled over and he could see Scotty’s ass flexing
and relaxing as he fucked the older girl. Justin’s
own penis ached for release and he played with it as
best as he could, but wanted to make sure Janet
wouldn’t see that he was awake.

Finally Scotty gave a low, shuddering moan and his
whole body tensed as he held himself against Janet.
Justin guessed his friend was having his first-ever
orgasm inside a girl and wondered what it was like.

After Scotty pulled out, Janet gave him a little kiss
on the cheek and then quietly left the bedroom. When
the boys were sure she was gone, Justin sat up.

“Dude, that was awesome!” he whispered. “What was it
like?”

“Best thing ever,” Scotty said with a grin, then
looked down at Justin’s bulging underwear. “Looks
like you enjoyed the show.”

Justin blushed a little. “Well, yeah,” he admitted.

Scotty stood up and walked toward Justin’s bed, his
still-hard penis bobbing with each step.

“Listen, since you let me lose it to your sister in
your bedroom, why not let me do you a favor?”

“What kind of favor?” Justin asked, as the naked boy
sat next to him on the bed.

Scotty reached down and put a hand over Justin’s
underwear-covered penis and said, “You ever have a
blowjob?”

“Nno…”

Scotty grinned and started pulling down Justin’s
underwear. Once they were off, he took hold of the
other boy’s penis and said, “My cousin taught me how
to do it to him. Since you helped me get laid with a
girl, I’ll give you one.”

“Ok.” Justin wasn’t sure what to make of this, but he
knew his friend’s hand stroking his penis felt good.
What he didn’t know was how much better it was about
to feel, as Scotty opened his mouth and slowly
lowered it around Justin’s erection.

Justin whimpered with pleasure and put a hand on
Scotty’s head, running it through the other boy’s
hair. As he did, he looked at Scotty’s face; the
other boy’s mouth full of Justin’s penis. It was the
second most awesome thing he’d ever seen, aside from
his friend fucking his sister a few minutes before.

It wasn’t long before Justin began cumming; his young
penis bucking and kicking as he filled the other
boy’s mouth with his sperm. Scotty, who had been
jerking off while blowing Justin, swallowed all of it
and began cumming himself, with his sperm spattering
on Justin’s bedroom floor.

After both boys were done cumming they went to sleep
in their own beds. Both were unaware that Janet, who
had decided she wanted seconds, had opened the door
just enough to peer inside and watch as Scotty gave
her brother a blowjob. It was the first time she’d
seen her little brother naked and she decided then
and there that it wouldn’t be the last…

It was a cold, rainy night. A few nights ago Justin
had watched his best friend and his sister fucking
only a few feet from him, and then had his first-ever
blowjob. Now he was lying on his bed stroking his
teenage penis and thinking about that night,
wondering when it would be his turn to get a girl.

A brilliant flash of lightning lit up the room,
followed by a loud crack of thunder. Seconds later
Janet, wearing only her bra and panties, just as she
had the last time she was in Justin’s bedroom, ran
into the room and jumped onto his bed.

“I’m scared!” she whimpered.

Shit, Justin thought, and did his best to cover his
activities with his sheet, wishing he could at least
pull up his underwear.

Janet perked her head up and looked at her brother.

“What’s this, now? Was my little brother
masturbating?” she asked in a sexy voice. Before
Justin could react, she reached down under the sheet
and took hold of his penis. Giving it a couple
strokes she said, “Well, well. Maybe his older sister
can help him out a bit.”

She yanked the sheets down, revealing her brother,
who was wearing only a pair of briefs that he’d
pulled down to his knees. His cute, round ass was
pressed against the sheets while his stiff, teenage
penis protruded from a sparse patch of golden hair.

Grinning, Janet pulled off her bra and panties.
Justin’s mouth dropped open as he eyed his sister’s
glistening vagina.

Janet then straddled her brother and said, “I know
brothers and sisters aren’t supposed to do it with
each other. But you’re very cute, and I’m very horny.
Anyhow, I’m on the pill, so it’s not like you can get
me pregnant. So I don’t see any harm.”

With that she held up her little brother’s virgin
penis and slowly lowered her vagina down around it.
Both siblings moaned as Justin lost his virginity to
Janet. Justin was otherwise speechless and
overwhelmed with surprise and pleasure as his sister
began ridding him.

“Oh, yes, Justin,” whispered Janet as she rode her
brother. “Fuck me… fuck me, little brother…”

“Oh…Jan…I’m… I’m gonna cum…”

“Do it! Cum in me!”

Justin had been trying to hold back, but at that
moment he couldn’t, and pushed his young hard up into
his sister’s body as his sperm fired off into her
waiting vagina. It was the best, most intense orgasm
he’d ever had!

After the sex was done, Janet got off her brother,
his penis slapping wetly against his stomach as it
left her vagina. Then she gave him a little kiss.

“That was fun,” she said. “Let’s rest a bit and do it
again!”

Justin grinned. Life was good.

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