Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/6032677.
  Rating:
      Explicit
  Archive Warning:
      No_Archive_Warnings_Apply, Underage
  Category:
      M/M
  Fandom:
      Teen_Wolf_(TV)
  Relationship:
      Derek_Hale/Stiles_Stilinski
  Additional Tags:
      Alpha/Beta/Omega_Dynamics, Breeding_Kink, Knotting, Teen_Derek_Hale, Plot
      What_Plot/Porn_Without_Plot, Bottom_Stiles_Stilinski
  Stats:
      Published: 2016-02-16 Words: 2350
****** takin' your knot so perfectly ******
by myrandomnesslife
Summary
     Stiles and Derek enjoy themselves while the Sheriff is away.
Notes
     the vast majority of this fic was written over a year ago. i'm not in
     the teen wolf fandom any longer and haven't been for awhile.
     this_was_also_written_before_ian_posted_this_lovely_picture_of
     himself.
     enjoy!
See the end of the work for more notes
"Isn’t your heat coming up?" Derek asks, he’s sitting next to Stiles in the
Cafeteria, both of them eating lunch together like usual.
Stiles all but hisses at him, shoving at Derek’s shoulder, “Not so loud,”
Stiles growls, low enough for Derek to hear, “it’s in 2 weeks.”
Derek scoffs, a laugh curling on his lips, “I don’t see what your problem is.
If people wanted to listen in on our conversation, it’s not like we could stop
them.”
Stiles scowls, popping a slightly soggy french fry into his mouth and chewing
it aggressively, before he says, “That’s not the point,” Stiles grabs the water
bottle from the side of his tray and uncaps it, taking a large gulp. “people
here don’t need to know about my heat cycle.”
"Just me, right?" Derek winks, nudging his shoulder towards Stiles’.
Stiles snorts, but doesn’t make any attempt to move away from Derek.
Derek leans forward, nuzzling his nose against Stiles’ neck, inhaling the
slight minty smell of Stiles’ body wash, the salt of Stiles’ skin as he noses
along a vein in Stiles’ neck, scenting him.
"Derek," Stiles tries, arching into Derek’s touch, his hand moving from the
spot on top of the table to rest on Derek’s thigh. The movement startles Derek
out of his daze. "we’re at school, you know we can’t do that here."
Derek sighs, resting his head in the crook of Stiles’ neck. “Sometimes I forget
where we are.”
Stiles smiles softly, lips quirked upward, “I know. Me too.”
The reason why they couldn’t scent at school was because a few years back,
there was an incident with a were scenting a mated Omega and then her Alpha
mate found out and a fight broke out between the two Alphas. The school then
proceeded to enforce the rule of ‘No Scenting on School grounds.’
Stiles wasn’t at school that day, he was sick the day the fight happened, but
the day he came back he was informed by Scott and it sucked. Omegas who had
significant others or friends sometimes needed that sense of comfort from
another person.
"I’ll drive you home after school." Derek offers, "unless your Dad’s picking
you up? Isn’t your jeep at the mechanic again?"
Stiles sighs, shoving his tray forward, he’s not hungry anymore and the food
wasn’t very good anyway. Cafeteria food always sucked. “My dad has a full shift
for the next two days, so.”
Derek points to Stiles’ tray, “Do you want me to throw this away?” Stiles nods
at him. Derek takes that as his go ahead to pick it up and throw the food in
the trash, settling the empty plastic tray over in a corner where all the other
dirty trays go for the lunch staff to clean.
When Derek gets back to Stiles, Stiles is digging through his backpack.
Derek looks at him with an appreciative glance. “It’s settled then.”
Stiles’ eyes widen, “What is?”
"I’ll drive you home and maybe I can stay over?"
~*~
The school day doesn’t end nearly fast enough, both of them trying their
hardest to get through the rest of the day. Derek couldn’t wait to take Stiles
home, though.
They had the whole place to themselves for awhile and Derek was determined to
ravish Stiles ‘til he cried.
Derek shrugged his backpack off his shoulders and shoved it in the backseat of
his Camaro when Stiles gets in the passenger side beside him, patting the
dashboard.
"I still can’t believe your mother agreed to give you this." Stiles says,
admiring the view in the front of the car.
"I had to beg." Derek says drily.
"What, you?" Stiles mocks.
Derek growls, “Yes, and she knew how much I wanted it. It wasn’t until Laura
said ‘fine’ and decided to get a different car. Mom gave her the okay to give
me this one.”
Stiles nods, “She’s beautiful.”
"She’s faster too." Derek gives Stiles a wicked grin as he speeds off out of
the parking lot and off towards Stiles’ house.
~*~
When Derek parks in Stiles’ driveway, neither of them waste anytime getting out
of Derek’s car and rushing up to the front door, Stiles quickly unlocks it,
stepping inside and Derek follows him and locks the door behind him.
Stiles gives Derek a teasing grin over his shoulder and runs up the stairs,
daring Derek to chase him and claim him.
Derek takes the bait, though, a glint in his eyes as he makes his way up the
stairs without blinking. He can hear Stiles shuffling in his bedroom, his
senses on high alert. Derek walks the distance towards Stiles’ bedroom, pushing
open the door, it creaks open and Stiles takes the chance to attack his lips,
licking over the roof of Derek’s mouth.
Derek grips Stiles’ hair, yanking on the longer strands and Stiles moans into
his mouth, eyes shutting closed. Derek bites on Stiles’ lower lip, backing
Stiles up against his door, breathing him in.
Stiles licks his lips, chasing the taste of Derek, eyes fluttering opened and
then closed. Derek grins against his mouth, backing an inch away from Stiles,
his hand reaching down to take Stiles’.
"C’mon." Derek says, leading him over to the bed. Stiles watches as Derek lays
back on the bed, clearly waiting for Stiles to join him.
Stiles does, though. Getting on the bed and crawling over Derek, situating
himself in Derek’s lap.
Stiles gasps when Derek’s hands wander up his shirt, touching bare skin,
fingers cool on his flesh.
"Derek." Stiles sighs softly.
"Mmm." Derek mumbles, trailing a finger over Stiles’ left nipple under his
shirt and pinching it, eyes darkening when his omega lets out a small hiss.
"I wanna fuck. I don’t—" Stiles tries, but decides to grind his jean-clad ass
against Derek’s cloth covered cock instead.
Derek huffs, “We will.”
Stiles holds the bottom of his shirt at his sides and pulls it up over his
head, throwing it somewhere in the room, he’s not sure.
"I’m gonna—" Stiles points to his table by his bed, getting off of Derek’s lap
and opening the drawer, he throws the lube by Derek’s side.
Derek moves over farther on the side so Stiles can lay down. When Stiles is
more comfortable, Derek moves in between the ‘v’ of Stiles’ legs, caressing his
calves and watching how Stiles’ eyes roll back into his head at the pressure.
Derek moves up closer to Stiles’ chest, pressing a kiss the middle of Stiles’
belly, then to Stiles’ lips.
Stiles twines his hands in Derek’s hair, tugging on it as Derek laves at his
nipples, sucking on them and biting them ‘til they’re red and aching in a
completely different way.
Derek kisses his way down Stiles’ chest, licking into his belly button, when he
stops at his jeans. Derek quickly unbuttons them and shucks them down Stiles’
legs along with his boxer briefs.
Derek spreads Stiles’ thighs wider, nipping at Stiles’ left thigh, before he
noses at the hairs at the base of Stiles’ cock. Before Derek can wrap his lips
around Stiles’ cock, Stiles is grabbing Derek’s head in his hands.
"I want to come with you inside me, please." Stiles begs, his right index
finger pushes aside a stray sweaty lock of hair from Derek’s face.
"Okay." Derek promises, already getting up to take off his clothes. They land
in a heap by Stiles’ dresser. When Derek joins Stiles on the bed, his beautiful
omega already has his legs spread and two fingers shoved up his ass, a moan
dancing on pretty pink lips.
"You’re not very nice." Derek says, taking the tube from Stiles’ side, he pops
the cap, a generous amount of lube gathering on his fingertips.
"Oh—" Stiles moans breathlessly when Derek’s fingers join alongside his,
stretching his walls, Derek’s index finger brushes over Stiles’ prostate and
Stiles nearly bucks up into Derek because of the stimulation. Stiles pants,
breathing heavy, eyes half-lidded, "i’m ready, please, Derek!"
Derek smirks, using his other hand to pat the inside of Stiles’ thigh,
smoothing over the skin. “Soon, baby,” Derek whispers huskily, “gotta get you
read for my knot.”
"M’ready." Stiles slurs, eyes hazy from pleasure as he scrambles to grab onto
the sheets for purchase, claws already threatening to tear them.
Before Stiles can say anything else, Derek is removing his fingers and Stiles
whines at that loss, pleas dripping from his lips like a mantra.
Derek grabs the lube from his side, opening it and slicks up his cock, lining
himself up with Stiles’ hole, Stiles’ breath hitches in anticipation. Derek
wraps Stiles’ legs around his waist, nudging his cock at Stiles’ hole, not
enough to press in; just teasing the rim. Stiles groans and shoves his ass
forward on his cock, the tip pushing inside. Derek moans at the pressure on his
cock, claws lengthening on Stiles’ thighs, digging into flesh and Stiles cries
out.
"Fuck me." Stiles begs, digging the heels of his feet into Derek’s thighs,
pushing Derek farther into him. Stiles arches his neck and moans, eyes shutting
tight.
"You’re so pretty like this." Derek says, stilling above him, gazing down at
Stiles with a content smile on his face.
Stiles groans, reaching forward and grabbing onto Derek’s ass cheeks, claws
scratching into the flesh, leaving red marks in their wake that heal as soon as
they’re made.
"Fuck me." Stiles demands, voice cracking, eyes glassy and wet at the edges
from frustration.
"I am." Derek says, shoving forward a little to accentuate his point.
Stiles glares up at him. Derek just smiles, thrusting his hips forward, his
cock brushing up against Stiles’ prostate each time.
"You’re being insufferable." Stiles says, moans when Derek’s hand touches his
cock briefly before he puts his hand back on his thigh.
Derek huffs, “Maybe I just want to make this last. Did you ever think of that?”
Stiles groans, breathing through his nose, “I want rough, I want you to fuck me
like you mean it.” He levels Derek with a look, concentrated and serious.
Derek licks his lips, watching Stiles’ face for reactions as he fucks up into
Stiles’ tight heat,
Stiles moans, shifting forward against the bedsheets where he’s laying, Derek
on top of him in between his legs.
"I’m gonna breed you full," Derek says, leaning down to press a teasing lick to
the column of Stiles’ throat, licking up a droplet of sweat that’s gathered
there. "fill you up with my come until your belly is swollen with it." Derek
runs his hand down Stiles’ tummy, smoothing down the trail of hair that leads
to Stiles’ cock, before he thrusts forward, knocking the breath out of Stiles’
lungs.
"Yes," Stiles grinds out with his teeth, fingers clawing at Derek’s back as
Derek rolls his hips in all the right angles to brush up against that spot
inside Stiles that makes him go wild.
Derek nips at a vein in Stiles’ neck, his pulse beating loudly in Derek’s ears,
a rapid beat, in time with both of them. Derek feels his fangs poke at his
gums, itching to bite down on the flesh of his mate.
Derek feels the moan Stiles lets out when he starts to suck on the skin, the
vibrations of it rolling over him in waves, Derek’s hips never wavering in
their thrusts as he lifts one of Stiles’ thighs higher up around him.
Stiles leaves angry red trails down his back as he begs for Derek to bite him,
fuck him, claim him, and come in him.
Derek lets out a low growl as he bites down gently on his omega’s neck, blood
welling up to the surface, Derek licks it up, kisses around the wound.
It’s half of a mating bite. Neither of them would be allowed to give the other
the full mating bite ‘til they both turned 18.  This one would fade and heal. A
full mating bite would leave a mark letting others know that that person was
claimed.
Derek looks at the flesh peeling itself together slowly where he sunk his fangs
in. He wishes it was the full mating bite, that way Stiles would be his in
every way.
Stiles’ eyes widen when he feels the telltale signs of Derek’s knot pressing at
his rim, expanding inside him.
"You’re so good," Derek smiles, running his hands down Stiles’ flank, "taking
my knot so perfectly."
“‘M’so full.” Stiles manages to say through a moan, though it’s garbled.
"I’m gonna move a little so we’re on our sides. Okay?" Derek’s fingers brush
over Stiles’ sweaty skin for a brief moment, taking in Stiles’ flushed cheeks
and parted lips. Stiles nods.
Derek moves them both so they’re laying on their sides, Stiles makes a small
noise of protest when Derek’s knot bears down on his rim, sealing Derek’s cock
inside. Derek lays one arm above him and one around Stiles’ belly.
Stiles sighs softly, “That’s better. More comfortable for both of us.”
Derek laughs, warm breath fanning against the back of Stiles’ neck.
Stiles grasps onto Derek’s hand that’s rubbing circles on his belly and drags
it down towards his dripping cock, he angles his head at Derek with a smile,
presses a kiss to Derek’s lips, letting it linger there.
"You want to come?" Derek asks, nuzzling his chin in the crook of Stiles’ neck.
"Please, Derek.” Stiles sobs, a sweet moan escaping his lips. 
Derek foregoes teasing Stiles any further, and starts pumping Stiles' cock,
pearly beads of pre-come dripping from his slit, Stiles' hands gripping Derek's
thighs like a vice.
Stiles comes like that with Derek's hand on him, whispering filthy things in
Stiles' ear. 
They lay there for a few brief moments, Derek's dick still nudged deep in
Stiles' hole, panting breaths filling the room as Derek groans lowly in Stiles'
ear, "I'm coming."
"Mhmm." 
Afterwards, Derek makes a comment about how he can't wait for Stiles' heat,
Stiles just snorts in reply, and lays his chest back against Derek's, both of
them falling asleep like that in each others arms. 
End Notes
     also about the mating bite. basically underage mates have to have
     their parents permission to get the bite as its permanent and you
     can't go back. stiles and derek aren't allowed to do it until they're
     both 18.
     *insert joke about stiles' jeep conveniently breaking down*
     @ my summary. it sounds like a porn summary from a cheap porno. i
     kill myself
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