
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/6132370.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Supernatural
  Relationship:
      Dean_Winchester/Sam_Winchester
  Character:
      Dean_Winchester, Sam_Winchester
  Additional Tags:
      De-Aged_Dean_Winchester, Episode:_s10e12_About_A_Boy, First_Time, Dirty
      Talk, Impala_Sex, Mildly_Dubious_Consent, Underage_Sex, Wincest_-
      Freeform, Weecest
  Series:
      Part 4 of Brother_Time
  Stats:
      Published: 2016-02-29 Words: 1316
****** Brotherly Cravings ******
by GrumpySpaceKitten
Summary
     Dean's back to being fourteen due to a witch spell, how is Sam
     supposed to stop himself from longing to take his virginity?
“But hey, there’s perks to this. Got a virgin liver now. What do you say we
take her for a test run after this is all over?” Dean chuckled. It was no fun
being stuck in his teenage body again, puberty was bad enough the first time,
he didn’t need it again - but, and maybe it was just his hormones, he was
trying his damndest to find a silver lining to all this.
 
Sam snorted. “Yeah, you’ll be able to drink again in, what, seven years?”
 
The boy turned abruptly at that, eyes wide with horror. “That’s not funny,
Sam.”
 
“It’s kinda funny.” he grinned back.
 
“Don’t even joke about that.” Dean looked around when Sam started to pull the
car over. “What’s up?” he asked, turning to look at his brother, though was
completely surprised at the dark glint in his eyes. “Sam?”
 
“Dean, you’re fourteen.” he muttered slowly, thoughtfully.
 
“Yeah, it friggin’ sucks.”
 
“But do you know what this means?”
 
“That I can star in the remake of  Sharkboy and Lavagirl ?”
 
“What? No.” Sam rolled his eyes as he shifted to face the blond. “ You’re  a
virgin.”
 
Dean couldn’t help but stare. “Seriously, Sam? Is now the time for that?” he
inquired, even as his brother was starting to slide closer him; a hand pushing
up his thigh all it taking for his dick to stand at attention. “C’mon, man,
we’ve got to get to Tina.”
 
“What other time am I gonna have to take your virginity?” Sam murmured as he
nosed along Dean’s jaw before bit gently at his throat, grinning at the moan
that escaped his lips despite his now younger brother’s best attempts to keep
it in.
 
Apparently that was Dean’s breaking point, too, as he immediately grabbed Sam’s
shirt to tug him in for a kiss, just as experienced as he was before but now
also with the heat of teenage need that made Sam groan into his mouth.
 
Sam wasted no time in getting them both over the seat into the back, kneeling
over the boy as tongues battled in each other’s mouth, Sam’s cock dripping with
every mouth watering groan his brother let out.
 
“God…” Dean breathed out as Sam pressed wet, tongue-filled kisses down his
neck, all protests gone now with his arousal strained at his fly. Sam seemed to
get the idea well enough and pulled down his jeans, ignoring his shirt all
together as a hand roamed over his white briefs - Dean’s slight feeling of
assault that someone had even gone to the trouble to not only dress him but
also get him fitting underwear slipping away when his brother licked at his
dick through them, the material going see-through with every lap of his wet
tongue.
 
“Don’t fucking tease me, Sam.” the blond tried to keep the pleading note out of
his voice, but he can already feel the effects of being a virgin again as heat
coils tightly in his stomach with just the little kitten licks, toes curling
when Sam nosed down the waistband of his briefs and dragged a flat tongue
across the head of his cock.
 
The older hunter just smiled and pushed the rest of Dean’s clothing off, his
own ignored as he chuckled. “Doubt you can even take my cock any more.” he
muttered in amusement with a hand moving over the sparse, short pubic hair
along his brother’s groin.
 
“Shut up, bitch.” groaned Dean, pressing into Sam’s large palm when it came in
contact with his shaft, fingers slowly curling around it to pump slowly.
 
“But you don’t really want that.” he muses, grin only widening as Dean drops
his head against the door, hips rolling up in contrast. “You love listening to
me. Love me telling you about all the dirty things I’m going to do to you. And
you know what I’ve got planned this time? I’m gonna blow you first. Love
choking on your cock,” Sam swipes his thumb across the rosy head almost
teasingly, leaning down to lick off a bead of precum as it sweats out with his
words. “Well, it might be a bit small for that now. Still tastes just as good
though, don’t you worry. And then, once I’ve got all of you in my mouth, you’re
gonna come down my throat.” he smiles as Dean whimpers, tightening his hand and
speeding up his firm strokes. “Oh, I know, baby; know you want that right now.”
he squeezes the boy’s balls. “Shh, don’t come. Not yet. Not until  I’m  ready
for it.”
 
“Sam, stop being such a massive bitch and fuck me already!” Dean groans. He
trails his hands up his chest and rubs at his own sensitive nipples, feeling
his entrance clench needily around nothing. He yelps when his brother grips his
balls painfully tight.
 
“Hush,  child .” he growls lowly and Dean shudders at the timbre in his voice,
cock twitching when it gets stroked again. “Listen, or else you’ll be the one
gagging on a dick.”
 
Sam grins when he whines quietly. “Now where was I? Ah, yes. After you come
down my throat, I’m gonna flip you over and drag my tongue over that sweet
little hole of yours. Always shiver so nicely for me when I do. Gonna get you
nice and wet with my tongue, then I’ll add a finger.” Sam practically hums with
the thought. “Feel you up inside properly. So tight around my finger… Gonna see
how many I can get in you before you’re begging for my cock.” he smiles and
drags his knuckles down Dean’s soft cheek with a little croon, the boy shaking
and whimpering under him as he tries to hold back an orgasm almost brought on
sheerly by words and imagination as Sam’s hand has stopped working his arousal.
“And once you ask so nicely for it, how I can resist giving it to you? Can’t
just stop teasing you though. I’m gonna start with the head, slide it in slowly
and wait as you moan so nicely beneath me. Nnngh, your little virgin ass will
feel so good, so  snug  around my cock. You’ll make plenty of gorgeous noises
for me, won’t you?” he waits until Dean gives a whine and a nod before going
on. “I’m gonna fuck you nice and hard, baby, just like you won’t it. God, you
won’t even be able to sit up once I’m done.” Sam’s almost moaning himself now,
voice shaking with arousal as he sucks in shuddering breaths. “Not gonna stop
once you come. No, gotta keep giving my dick or else you’ll be whiny for days
afterwards. Keep fucking you hard like you love it, keep hitting the sweet spot
inside you so you  scream  for your little brother’s cock. And once I paint
that pretty pink inside you white, I’m gonna plug you up for the next time I
want to fuck you.” He leans down and nips at Dean’s neck, biting and sucking
‘til it’s an angry red. “Gonna be my fuck toy, baby. Gonna keep you nice and
stretched and full for whenever I want you.” He bends to suck on his nipples
and the blond finally snaps.
 
“Oh,  oh , Sam!” Dean gasps out as he comes against him with stars blaring
behind his eyes, toes curling and gripping Sam’s hair until his knuckles go
white, shudders rocking him violently. “Nnnngh, Sam! Jesus fuck! Fuck! Oh, God…
Sam… Sam… God, Sam...” He breathes as he slowly comes off his high, body numb
from overstimulation when Sam finally pulls off his nipple.
 
He’s still shaking as his brother kisses him tenderly, then a sob escapes him
when Sam clutches his balls tighter.
 
“I told you not to come.” he breathes in the boy’s ear. “Guess I’m gonna have
to spank you before I fuck you now.”

“God…” is all Dean can get out in reply.
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