
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/6450040.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Supernatural_RPF
  Relationship:
      Jensen_Ackles/Jared_Padalecki
  Additional Tags:
      Alternate_Universe, Alpha/Beta/Omega_Dynamics, Claiming, Knotting,
      Implied_Mpreg, arranged_mating
  Collections:
      Sunday_Morning_Porn_Club
  Stats:
      Published: 2016-04-03 Words: 2098
****** Natural Selection ******
by alycat
Summary
     Jared is supposed to pick a mate. The omegas are trying to catch his
     attention, but there's one who stands out without even trying.
Notes
     Based on this_prompt
Things had changed a lot, the modern world catching up with the Padalecki Pack,
but some things would always remain the same.
As the only son of Pack Alpha, Jared had always known how his finding a mate
would go, but he still hadn't been prepared for the moment when he stepped into
the main room of the Pack Hall.
"It is time for my son, your future Pack Alpha, to take a mate and we are here
presented with the finest omegas our pack has to offer!"
His voice rang out loud and the silence of the room was almost suffocating,
every were on edge and wondering who Jared would pick. The omegas in question,
ten of them all chosen for their high test scores in fertility, looks and
personal strength, were positioned on all fours in the middle of the room, rich
fabrics covering their bodies apart from where rounded cheeks were presented
for Jared. Even in the big hall, the scent of the omegas was overpowering,
sweet and tempting and Jared had to force himself to not walk closer.
It wasn't time, yet.
"Jared, when you choose a mate you will claim the birthright that is yours. Are
you ready to accept this responsibility? Will you be the next Alpha after me?"
Jared pulled in a deep breath, looking around the room and trying to calm his
own nerves before he spoke loud enough for his voice to be heard throughout the
hall.
"I am ready to accept the responsibility. I shall choose one of the omegas
presented to me, and I will one day lead this pack."
His father nodded and stepped aside, allowing Jared to walk up to the first
omega and look down at a rounded ass and the already wet hole. It didn't
surprise him to see the omega prepared, the position of mate to the future
Alpha was a coveted one and he had expected the omegas to make themselves
desirable. The omega's rim was wet and slightly swollen and Jared could still
smell the lingering scent of the toy that had been used to prepare the omega's
hole. Reaching out, Jared pressed one finger to the slick rim, feeling warm
skin shiver under the small touch. The omega arched back, pushing against Jared
and even though he was silent it was clear that the omega was begging for more.
Jared pulled away and moved to the next one, knowing he needed to inspect all
of them before making a choice.
They had all prepared for him, hole after hole wet and some of them were loose
enough that their slick was trailing down their thighs and wetting the fabric
wrapped over them to preserve their anonymity. It wasn't until the very last
one, a body slightly smaller than the others, that there was a change and Jared
leaned in closer to get a better look. Unlike the others, this omega had not
prepared himself and instead of the red puffiness of the others his hole was
small and pink. Jared was just about to turn away, he didn't care for an omega
that didn't even try, not when the other nine so clearly wanted to draw his
attention, but then he smelled the sweetest scent he'd ever experienced and
before he could stop to think about it he was on his knees behind the omega.
A low murmur filled the room but it didn't matter to Jared, not when he leaned
in close and pulled in a deep breath. Jared had heard that some omegas smelled
better to certain alphas, but he hadn't imagined the difference to be quite
that obvious. He pressed one finger against the pink skin and the omega in
question didn't pull back but Jared could tell that he was tensing up. The
scent was stronger from the shortened distance and Jared really wanted to lean
in closer and lap at the rim, making the omega produce slick so he could smell
even more. That was not how a claiming was done, not for a mating this
important and Jared stood up, forcing himself look over at his father.
"I've made my choice," he said in a firm voice. "Stand up, omegas, and let me
see your faces. I want to see the omega who managed to lure me in without
preparing himself."
The omegas that had been presented to him stood up slowly, wrapping the dark
cloth around themselves as they moved but Jared only had eyes for one of them.
"Tell me your name," he said when he looked at the omega he had chosen.
"Jensen Ackles," the omega said and Jared barely managed to hold back his
surprise.
The Ackles were part of a smaller pack that had been taken in by the Padaleckis
two generations ago, and yet they had never fully forgotten that once upon a
time they had been Pack Alphas themselves. Mating with Jensen would settle a
lot of discord in the pack but all that mattered to Jared was the way the omega
smelled.
"I'm the future Alpha. I am your alpha, Jensen."
Knowing that he was going to claim an Ackles, Jared almost regretted that the
old traditions of public claimings weren't used anymore. It would have been
good for the pack to see the union so that no doubts could linger about its
legality. Instead he would make sure that they would all be able to smell his
claim on Jensen.
"My son has chosen a mate," Jared's father called out. "The Padaleckis and the
Ackles will be joined together and the future Alpha of our pack will come from
this union. Let us celebrate, while the future mates consummate their union!"
A loud cheer rang out through the hall and Jared took Jensen's hand, leading
him out of the room and towards the back where the pack Alpha had a suite of
rooms to use. Behind them Jared could hear the festivities starting and he was
sure they would last long into the night.
"How old are you?" Jared asked as he unlocked the door and motioned Jensen
inside the private rooms.
"Sixteen," Jensen said when the door closed behind them.
That made Jared stop in his tracks and he looked at the kid. It wasn't often
that omegas that
young were offered up for a mating and no matter how much that sweet scent
called out to him, he had to wonder if Jensen had willingly stepped up to be
offered.
"Jensen," Jared said, forcing himself to take a step back. "Do you want this?"
Jensen laughed, a brittle sound that was utterly devoid of humor and he pulled
the fabric tighter around himself.
"I offered myself up, of my own free will, if that's what you're worried
about," Jensen said with a shrug of a slender shoulder. "The council approved
since they know what a mating between our families means for the pack. And my
fertility scores are very high."
Jared looked at the omega in front of him, taking in the straight line of his
back and the way Jensen held his head high and his eyes met Jared's straight
on.
"You didn't prepare yourself," Jared commented, looking down to where the
fabric was still covering his body.
"I might want this," Jensen said, a bit snappish. "But I have some self-
respect. I am an omega, my scent should be enough in itself for a mate. My ass
is pretty as it is, thank you very much."
Jared found himself laughing and he closed the distance between them, tilting
Jensen's head back and he pressed their lips together. All he'd wanted to know
was that Jensen wasn't being forced into anything and the offended scowl turned
soft under his lips. A low groan left Jensen and the next moment Jared felt
arms wrap around his shoulders, followed by the soft flutter of the fabric
falling to the ground.
"You want this," Jared said and it wasn't really a question, his lips still
brushing against Jensen's.
"I do," Jensen said. "You're the future Alpha and I thought it would be a good
match. And then I smelled you…"
Jensen drifted off into silence, but Jared didn't need to hear more to
understand. His alpha side roared alive within him and he took a firmer grip on
the boy. He let his hands drift down over Jensen's side, nails dragging softly
over skin and Jensen arched in to the touch, ass pushing out when Jared reached
down to spread his hands over it.
"Fuck," Jensen gasped when Jared let one finger slide in between Jensen's ass
cheeks, pressing against the place that had become damp and inviting.
The wonderful scent was growing thicker, slickness starting to gather and Jared
circled his finger over the rim as he felt it get wetter.
"Do I smell good to you?" Jared asked, even as he pushed one finger inside and
felt Jensen's hole, wet and tight around the digit. "Because you smell
delicious. I thought that you weren't trying to entice me, but it was only that
you didn't need to. And next time anyone smells you, they will smell me on
you."
Jensen pushed back against the finger with an impatient little growl before
pulling back enough that he could look up at Jared.
"You smell seriously fucking good to me. But it'd be better if you were in me.
You've chosen me, now claim me. Fuck me, alpha."
Hearing Jensen call him alpha shredded Jared's self control and he was barely
aware of what happened as he spun Jensen around and pushed him down on the bed.
Jensen moved eagerly, arranging himself on all fours and angling his ass
towards Jared. Unlike before the rim was shining wet with slick, slightly open
in invitation and even though a part of Jared wanted to taste and touch for
hours, the alpha part of him wanted to claim.
He thought Jensen was about to say something but before the omega could get a
single word out, Jared aligned his cock with the small hole and slid in with
one, long push. It was impossible for him to look away from where Jensen's ass
was opening around him, pink rim stretching out and Jensen's pale skin a stark
contrast to Jared's darker tone. Once seated balls deep, Jared took a few deep
breaths to calm himself and he looked up to where Jensen's hands were clenched
into the sheets.
"Jensen, are you-"
"Move," Jensen demanded. "Just - fuck - please move."
Taking a firmer grip on Jensen's hips, Jared pulled back, eyes once more
travelling down to see how Jensen's ass clung to his cock. If Jensen had any
more words to say, they were drowned by his moans and whimpers. Jared could
feel his knot already swelling, preparing to fill Jensen up and lock them both
together. When Jensen felt the knot push against his already stretched rim he
cried out, pushing his ass back and Jared watched as the rim tried to let the
knot in. Holding Jensen in place, Jared circled his hips, slowly working Jensen
open until the knot popped in with a wet sound. Jensen went absolutely quiet,
his ass clenching down impossibly hard around Jared's cock and the next moment
Jensen came what a shout.
Feeling Jensen's ass around him and the smell of omega come in the air, Jared
almost collapsed forward, pressing Jensen into the mattress. The omega
collapsed down on the bed with Jared on top of him, small spasms traveling
through Jensen as Jared fucked him as hard as the knot allowed, working towards
his own orgasm. When it came it was powerful enough to make Jared's vision
white out for several long moments and he didn't really come back to himself
until he felt Jensen squirm slightly below him.
"Fuck," Jared groaned and he wrapped one arm around Jensen before carefully
rolling them over to their sides. "There, that's better."
"You're huge," Jensen mumbled drowsily. "Please don't crush me again."
Jared chuckled out a soft laugh at that and looked down at the omega in his
arms.
"I'll try not to," he said, his hips still slightly rocking against the curve
of Jensen's ass. "Hey, at least now I'll get to see your hole all wet and
swollen."
Jensen looked back over his shoulder, one eyebrow raised.
"Well, I don't mind looking like that," Jensen said. "But I don't think I'm the
one that should make my ass look like that. That’s your job."
Jared couldn't agree more.
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