
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/242816.
  Rating:
      Explicit
  Archive Warning:
      Rape/Non-Con, Underage
  Category:
      M/M
  Fandom:
      Merlin_(TV)
  Relationship:
      Merlin/Arthur_Pendragon
  Additional Tags:
      Alternate_Universe_-_Supernatural
  Collections:
      Summer_Pornathon_2011
  Stats:
      Published: 2011-08-21 Words: 723
****** The Best Thing ******
by pepperlandgirl4
Summary
     KMM prompt challenge. prompt_here
     Underaged sexuality/Noncon, incest
“Go to sleep, kid.”
“I’m not a kid,” Merlin grumbled. “I’m fourteen.”
“You’re still growing and you haven’t slept in two days.” Arthur pointed at
bed. “Don’t make me knock you out.”
Merlin grumbled some more on his way to the bathroom, shot Arthur glares
through the mirror while he brushed his teeth, and took his time shaving away
the five or six whiskers on his chin. He wore nothing but his boxers, and
Arthur had to look away. He’d been a skinny, awkward boy, but now he had a
naturally chiseled look, each toned muscle well-defined beneath tan skin.
“Don’t let me sleep too long, okay? We need to be on the road by five if we’re
going to make it to Wichita by noon.”
“Yeah, I can count.” Arthur kept his eyes averted until Merlin was safely under
the sheet. Staring at the sun was less dangerous. “Don’t worry. I’ll make sure
we’re there on time.”
He was out in five minutes, rolling on his back with his long arms and legs
splayed across the mattress, head back, mouth wide open. Arthur went about his
nightly chores--washing socks and underwear in the bathroom sink, cleaning the
weapons, budgeting what was left of their cash so he could buy Merlin breakfast
before they headed out. When he had no more excuses, he stripped his own
clothes and climbed into the bed. Merlin made room for him without opening his
eyes, his body naturally adjusting to accommodate Arthur’s. And once Arthur was
settled, Merlin fit against him like they were made for that.
It started in Wyoming, when Merlin was attacked by a vamp and Arthur couldn’t
sleep until he checked Merlin over one more time. Half way through his
examination, Arthur’s cock was achingly hard. He stopped, rolling away,
imagining Rosie O’Donnell naked until his stiffy started to subside. Now he
didn’t bother trying to will it away. There was only one guaranteed form of
relief--Arthur was just glad Merlin was a heavy sleeper.
He rubbed against Merlin’s thigh, grinding his cock into the firm muscle while
he dragged his hand down the boy’s chest. He mapped every inch of Merlin’s
torso before moving on to his soft prick. It was a beautiful cock, thick and
long, a creamy shade of white with a perfect pink tip. Arthur longed to taste
it, dreamed about sucking it between his lips and inhaling the sweet, sweaty
musk, but he held himself back.
Merlin’s cock twitched. Arthur stroked it slowly, watching with fascination as
it hardened completely. The sight of it drove him crazy, his cock throbbing
with sharp intensity. Pre-cum dripped from him, slicked his cock, prepared him
for what he really wanted. For what he thought about every single goddamned day
and dreamed about at night. And now Merlin was hard and perfect, tight and so
fucking beautiful.
Arthur moved over him, pulled Merlin’s legs around his hips, let his cock slide
against Merlin’s hole. He could just slide forward, feel that heat consume him,
and then ride that boy until they both broke.
“Arthur?”
The tip of Arthur’s cock nudged past the tight, dry muscle. Merlin’s eyes
widened with fear.
“Arthur? What?”
There was time to stop.
He pushed forward.
Merlin shouted and bucked, tried to throw him off, but Arthur was stronger. He
caught Merlin’s wrists and held them above his head, using his other hand to
cover Merlin’s mouth. That stopped the cries, but not the struggling. He bore
down on Arthur’s cock, clenching him almost hard enough to break him. Arthur
groaned with pleasure, pinned him to the mattress and drove forward, filling
him completely.
“Merlin, shh. Merlin. Merlin, look at me. Merlin.”
Merlin focused on Arthur’s face with more defiance than fear. “I don’t want to
hurt you. I love you. I love you. Don’t fight me.”
 
Merlin went lax, though his eyes brimmed with fear. Arthur kissed his mouth
gently, rocked his hips, but Merlin didn’t respond. He kissed his cheeks and
mouth, tasted salty tears, shuddered as Merlin whimpered.
“You’re mine, Merlin. I’ll always take care of you.” He thrust forward,
shuddered. “Always. Just don’t fight.”
“Arthur, please. Please, you’re hurting me.”
Arthur kissed the words away. He wasn’t hurting Merlin. He’d never, ever hurt
Merlin. Merlin was the best thing in his world.
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