Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/461366.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Supernatural
  Relationship:
      Dean_Winchester/Sam_Winchester
  Character:
      Dean_Winchester, Sam_Winchester
  Additional Tags:
      Mutual_Masturbation, Voyeurism
  Stats:
      Published: 2012-07-16 Words: 364
****** Nighttime ******
by myoldsupernaturalaccount
Summary
     Dean wakes up one night to some interesting sounds coming from 16-
     year-old Sam's bed.
Dean regretted that Sam had grown up so fast.
He missed little Sammy, the innocent little boy who had held his hand
everywhere, fingers sticky with sugar and syrup. This Sam had fingers sticky
with...other things.
He had woken up that night to Sam's breathing, faster and heavier than normal,
and at first he was concerned until he heard the rustle of the blankets. Then
he was concerned for an entirely different reason, namely the growing interest
he – or rather his groin – had in his baby brother, or at least the sounds that
were coming from across the motel room.
In the dim light filtering in from the parking lot he could see Sam's face in
profile, eyes shut in ecstasy and tongue flicking out to wet his parted lips.
Dean bit his own lip, not wanting to acknowledge that he was thinking this way
about his 16 year old brother, but his hand found its way into his boxers to
grasp his rapidly hardening cock. Sam's quiet gasps and whimpers were possibly
the hottest thing he had ever heard. Porn stars had nothing on him.
He began to stroke in time with Sam's breaths, hoping that Sam was involved
enough in his own...activities that he wouldn't notice Dean's own movements.
“Dean...” Sam moaned, and Dean's hand ceased its actions immediately. He
didn't...did he? No...no way.
“Dean...” Sam moaned again, a little louder, and bit his lip, head thrown back.
“Sam,” Dean gasped, unable to help himself, and stuffed his fist in his mouth
as soon as the syllable escaped his lips. Shit.
Sam's head fell to the side and his eyes opened. They locked gazes, heated and
intense, but neither stopped their hands, speeding up, moving in time with each
other and breathing together, the moment stiflingly intimate. Sam came first of
course, calling out Dean's name and that sent Dean over the edge, coming harder
than he ever had.
They didn't say another word to each other, breaking eye contact and turning
away, both moving away from their respective wet spots. Dean knew that
everything had changed that night. He could only hope it was for the better.
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