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My Alpha Brother

Summary:

Sam Winchester is an Omega and he has presented early at only sixteen years old. He is terrified of The Mating Run, a ritual where an Alpha picks his Omega to mate with for life. His only comfort is that his elder brother Dean, who is an Alpha, will be joining the run as well to find his mate.

Sam never expects Dean to choose him, and Sam finds himself a slave to his older brother.

As the elders of the pack try to tear the two of them apart in fear of the power that their mating bond brings, both of the boys start to truly love each other.

And they begin to wonder...will they be able to stay happily in love, or will forces outside of their control tear them apart?

(PAUSED)

Notes:

(See the end of the work for notes.)

Chapter 1: The Mating Run

Chapter Text

Sam Winchester stares at himself in the full length mirror and fights back tears. He wears the ceremonial silks of an Omega on the cusp of his or her Mating Run: A white silk shirt, white pants to match, soft, elastic, and easy to rip off. His face has been painted with the blood of a black bear, two parallel crimson lines on each cheek. His shaggy brown hair has been brushed into submission by an elder omega, but there is nothing to do about the tears in his brown eyes. Sam is skinny for his age, only sixteen, and short too, he looks the part of an omega, defenseless and soft and submissive. He is also the youngest omega in the preparation part of the mating temple.

Milling around him are teenage girls and boys, anywhere from eighteen to twenty-two, all wearing the same clothes as him, some of them shoot Sam a concerned look, as if wondering why someone so young would be allowed to participate in the run. If Sam could have chosen, he would have declined for a few years, but he was at the cusp of his first heat, and his Alpha father John had made the decision for him: He would run, as is tradition for any omega about to start their first heat, and if he was chosen by an Alpha, he would be mated to that man for life, as all Alphas are men. The thought of being owned scared Sam, and he hoped whoever chose him, if anyone did, would be kind to him.

Hundreds of years ago, the alpha elders of six of the largest packs had come together in the Ontario wilderness to form an agreement, they would devote themselves to the old ways and unite their packs to form a clan and from that came the concept of a High Alpha, the Alpha of Alphas, the king. The Winchesters had held that title ever since, Sam’s father John was the current High Alpha and he only had the council of Elders to answer to. Sam hadn’t ever seen the outside world, as he’d lived in the Ontario wilderness his whole life. Sam’s elder brother Dean, who was an unmated Alpha and twenty years old, was heir to the seat of High Alpha. It was a big deal for Dean to choose a mate, and so far he hadn’t, instead he buried himself in beta females neck deep, claiming he would mate when ready. This year Dean had announced that he too would participate in the mating run, and Sam found comfort in that, at least he would not be the only one in the family running tonight.

“Nervous?” A female voice asked Sam. It was an omega female of around twenty-two.

Sam shrugged. “Sort of.”

“This is my third run.” The girl said. “Don’t worry too much. Hardly anyone gets chosen on their first run.”

“Thank you.” Sam says.

She smiles at him.
***

Sam leaves the mating temple, a handmade structure that looks like a lighthouse with two entrances, one for omegas, one for alphas. As he does, he spots a swarm of alphas out front. They wore their ceremonial clothes, red silk and masks made of wood and feathers that cover their faces, as an omega is not to see the face of his or her alpha until the mating is done. Sam feels like the alphas watch him, but he isn’t sure, he walks faster anyway.

The mating temple stands in a clearing made hundreds of years ago. There are also twenty wooden tables and huge fire pits for the feast that comes before the run. The tables are half full of other clan members, some were the ceremonial dress of the run, others are either too young to mate or already mated. One table is away from the rest, and it is for the council of elders and the High Alpha and his family. Sam goes toward that table, ignoring the wolf whistles that follow him.

The Mating Run happens in the stretch of forest to his right. He’s herd rumors of what happens during it, of the sex, the mating bites, and the omega programming. He isn’t sure what the programming is, or how it happens, but that scares him the most.

Sam’s father John is already at the table, as is his Omega mother named Mary, and his brother Dean, who is in full alpha ceremonial dress, minus the mask, which he’s put on the table beside him, Sam’s elder brother is smoking a hand rolled cigarette and talking to one of the elders. Sam takes his seat beside his brother and the table quiets down.

“Sam, baby, you look so handsome.” Mary says, and she reaches across Dean to pinch Sam’s cheek.

“You ready for the run, Sammy?” Dean asks, smirking.

Sam shrugs. “No.”

One of the elders speaks, “John, are you sure the boy is old enough to handle the responsibility of mating to an alpha.”

John glares. “He is of the most influential family of this clan. The boy is ready for anything.”

“Plus,” Dean adds with a deeper smirk. “Some alphas like them young, right Sammy?”

“I don’t know.” Sam says. He stares at the table and forces himself not to cry.

Right then, a young alpha walks by in full ceremonial gear, mask and all. He points at Sam and yells, “You’re gonna be mine after tonight. What a sweet tight little-”

Before the other alpha can finish, Dean stands and slams his hands down on the table, rage in his eyes, and growls, “show some goddamn respect or I’ll fucking gut you.”

The other alpha freezes for a second, then nods, and jogs away. Dean sits back down, shaking his head. Now the table is really quiet.

Dean notices. “What?”

John clears his throat. “You boys know who you’re representing, right? Our family, that’s who. Dean, as my heir, I expect you to pick a nice and reputable female omega, as you’ll need an heir. Sam, I know the outcome of the run is out of your control, but I hope a respecting alpha chooses you.”

“Don’t worry, Father, I know exactly who I’m picking. You’ll be proud.” Dean says, and he chuckles then takes a puff of his cigarette.

“I hope so too.” Sam says quietly.

Once everyone is seated, the feasts begin. Betas bring out trays of bear meat (from the same bear whose blood decorates Sam’s face) and other trays with greens swimming in wolf fat, for desert there is honeycomb. Sam isn’t very hungry, so he only eats a sliver of sweet bear meat and a square of honey comb. Dean, on the other hand, eats like a man who is starving, he fills his plate with bear meat, greens, and honeycomb.

“Don’t be so afraid, baby.” Mary says to Sam. “I was scared for my mating run too, but look at me now. You’ll do fine.”

“I know.” Sam says, but he really doesn’t know.

“Sammy’ll be fine, Ma.” Dean says around a big bite of honeycomb.

“Don’t think I’m not worried about you too, Dean, make sure you pick who is right for you, and if you don’t feel as if anyone is right, there’s always next year.” Mary says.

Alphas could wait as long as they wanted to to mate, omegas on the other hand would be considered too old at twenty-four, even the male omegas who couldn’t get pregnant. Sam hopes he isn’t chosen till he’s twenty-four, which sounds like a good age. Then he thinks about the alpha from earlier, the one Dean threatened, and his stomach goes queasy. He hopes that asshole doesn’t end up being his mate.

***

After the feast is over, it is time for the Line Up, where all the omegas line up shoulder to shoulder thirty feet in front of the cusp of the forest. The elders work their way down the line, blessing each omega.

“Run free and come back fruitful.” Says the elder that blesses Sam.

Sam can only nod, as his heart is in his throat, his knees shake. He’s sweating in places he would rather not be.

The alphas, who have donned their masks, stand thirty feet, shoulder to shoulder, behind the omegas, they will only be allowed to run after every omega has entered the forest.

The rules of The Mating Run are simple, survive the whole night without being claimed and you are safe till next year.

Sam never was a fast runner.

The elders finish blessing them, and then they quickly move out of the way. A lone beta walks out to repeat the rules.

“The Mating Run lasts from dusk till dawn, if you come out of the night without a mate, you are required to run again next year. Omegas, remember, you are allowed to fight back against any Alpha who pursues you, as is custom. Alphas, remember, the mate you choose will be yours for life, and they will be your only source of love, comfort, and desire, so choose well. Mating happens in three steps.” The beta puts up a finger. “One, penetration, this is called pre-mating, this is when you claim your mate, two, orgasms from both the alpha and the omega, this is what we call marking, where the scent of the alpha and the omega will mix and become one. Lastly, number three, the mating bites. This is where the alpha will bite his omega on the neck and shoulders, be sure to draw blood, and after that is done, be sure to program your omega with the rules you wish for them to follow, after that your omega will give you three bites in return, on the neck and shoulders. After that, you will be mated and the alphas may then remove their masks.” The beta bows and leaves the clearing.

That is when John, the High Alpha, comes onto the clearing. He lifts a gun into the air and fires. At first Sam is confused, then he realizes that all the omegas are running full speed towards the forest. With a gasp, he joins them and within seconds the forest swallows him whole.

 

***

Sam doesn’t know if he should run all night, all he knows is that he’s terrified. The forest is dark and thick with trees as tall as giants with thick underbrush. He often trips on hidden roots. Far away, in the distance, there are screams and cries and even the sounds of moaning. He has no idea where to go or where to hide, but at least no one chases him. All he does is run, zigzagging through the trees, trying to be as soundless as possible.

When he stops to take his first break, he looks behind him. He almost screams when he sees a shadow standing between two trees thirty feet away.

Sam breaks into a run, and behind him a mean voice says, “I don’t know where you’re going, little-” and the voice breaks off and there is a thud.

Sam chances stopping and looks behind him again. The dark shape is on the ground and another shape is on top of it. Sam can hear ripping and shredding and crying.

He decides to keep running, but once he turns his back on the dark shapes, someone hard and solid plows him to the ground.

Sam screams. “Get off me. Get off me.” He twists his head around to get a good look and he sees the mask of an alpha, but it is stained with the blood.

“No. No. No.” Sam says and he tries to wiggle away. The alpha straddles him and places his knees on Sam’s arms, pinning him down. Sam isn’t strong enough for this beast of a man.

“Stop struggling. You’re not getting away from me. I’ve waited far too long.” The alpha growls as he rips Sam’s shirt down the back. “I’ll fucking kill anyone who tries to take you from me.”

“I’m only sixteen.” Sam cries.

“I know.” The alpha says and he's ripping off Sam’s pants now and Sam struggles harder. He wishes that Dean would come and save him, but Dean is probably busy mating with a reputable female omega.

Sam twists around to see that the Alpha has taken off his own shirt, and Sam screams again when the alpha rips open the top of his pants and struggles out of them, all while holding Sam down with one hand.

“There’s better Omegas than me!” Sam pleads, he’s crying now.

“Fuck other Omegas.” The alpha says and Sam notices a familiar note in the alpha’s voice, but he’s too afraid to think on it too much as he’s met almost everyone in the clan.

Now they’re both naked, and Sam feels embarrassed as he’s skinny and soft, and (not that it matters) not much man hood to speak of. Then he gets a good look at the alpha that pins him down and gasps. The man is muscled perfectly, with golden skin, and abs that ripple from the effort of holding Sam down. The alpha still wears his mask, of course. What troubles Sam most is the Alpha’s cock, it’s very large and hard, at least ten inches, and thick too.

“That is not going in me.” Sam squeaks, terrified.

The alpha ignores Sam and forces him to flip back over on his stomach. The alpha takes Sam by both wrists and forces his hands behind his back, where the alpha secures them with one rough hand hard enough to bruise.

“They can’t do shit after we’re mated.” The Alpha hisses, more to himself than Sam. The Alpha then forces Sam into a doggy style position, with Sam’s back arched as deeply as it will go, his backside up in the air, his face pressed into the damp earth.

“Come on.” Sam sobs. “Let me go.”

The Alpha, keeping Sam still with his iron grasp on Sam’s wrists behind his back, uses his other hand to spit in and then he coats his cock with it. Sam watches his, straining his neck to look back over his shoulder.

“Just calm down.” The alpha whispers as he presses himself against Sam’s tight entrance. Sam whimpers and trembles. He screams when the Alpha presses against him, and then there is some give and The Alpha enters him just a couple inches. It feels like Sam is being torn apart, so he screams harder.

“Shh. Shh.” The Alpha whispers, running his free hand down Sam’s back almost lovingly. “I’m sorry, baby, I don’t mean to hurt you, but I must have you.”

The alpha forces himself inside of Sam a couple more inches, and Sam begins to cry harder, but all the struggling has left him. It is as if a more primal urge has taken him over, and the submissive part of his omega brain knows that the fight is over. This Alpha has claimed him, Sam has no reason to fight.

“You feel so good.” The alpha whispers. “Just like I imagined. Better even. I’ve chosen right. You’re perfect.”

The Alpha forces his cock the rest of the way in, and Sam is in pain, he feels full, more full than he’s ever been, and he feels sick, but more importantly, he relaxes- not willingly- but this is out of his control now. Sam almost laughs, The Alpha is balls deep now, it’ll be over soon.

“I’m gonna move now, baby, I can’t wait to own you.” The Alpha says, and he starts to thrust. A new pain tears through Sam, and he sobs harder, screams, and nearly blacks out.

“Shh. Shh. I know. I know.” The alpha says. “It’ll feel better.”

And so the alpha keeps moving, thrusting his cock in and out of Sam slowly. Sam can feel the movement inside of him, feel skin against skin, how tight he is around the Alpha’s cock. It hurts, god does it hurt, but Sam isn’t really Sam anymore. With each thrust, more of him falls away, and he feels his omega awaken. It still hurts, badly, but it’s more than that now. Sam is being taken, he’s being owned, his biological urges are being silenced, he’s being remade. He will be this Alpha’s world, he will be this Alpha’s everything. But god does it hurt, like being torn apart, like a hot poker being shoved up his ass. That doesn’t matter, Sam isn’t there anymore.

“Harder. Harder.” Sam whispers.

“What did you say?” The alpha asks. His voice is rough, with the edge of a knife, and full of emotion.

“Harder.” Sam hisses.

“Shit.” the Alpha says, and he lets go of Sam’s wrists. There will be no more struggling tonight. Sam lays his hands above his head, keeping his face pressed against the dirt and the moss. The alpha takes Sam’s hips and holds them hard enough to leave black bruises. Then the Alpha begins to really fuck him, pulling himself completely out of Sam and then forcing himself right back in so quickly that there is a wet slapping noise.

Sam finds himself arching his back even more, pressing his behind back against the Alpha’s thrusts. The Alpha tangles a hand in Sam’s hair and pulls his head back. It doesn’t hurt anymore, the pain is fading away, and Sam feels wet, very wet. Now it feels good, really good, and Sam likes this feeling, this pleasure. The feeling of the hard Alpha inside him, ruining the softness, the purity of Sam, it’s electrifying. Sam feels himself harden.

“Harder.” Sam shouts, and suddenly he feels viciously angry. “I said fuck me.”

“Shit.” The alpha says, in the dreamy voice of someone on drugs, but he listens to Sam and forces his head back down to the earth so that he can get the upper hand. Then the alpha really fucks him. Sam is dizzy with it, and all he can hear is the alpha’s moans and the wet slapping of their joined bodies.

“Tell me you’re mine.” The alpha hisses.

“I’m yours.” Sam cries.

“You’ve been mine since birth, haven’t you?” The alpha says.

“Always. Always. Always.” Sam cries.

“And you’ll be mine till death.” The alpha says, almost angry.

“Yes. Yes.” Sam says.

The alpha gives one harsh thrust and it hits something inside Sam, something that makes him scream with pleasure, and then it’s done. With another cry of delicious agony, Sam cums. The alpha buries himself in Sam and shouts as he climaxes too. A warmth fills Sam’s insides and he finds that he loves it. Immediately, Sam crumbles, relaxed, not a speck of energy left in him.

The alpha rolls Sam over and climbs on top of him. Sam turns his head, knowing what comes next. The alpha buries his face in Sam’s neck. The first bite hurts, but Sam loves it. He feels the sharpness of his alpha’s teeth piercing his skin, and he feels wet blood dripping from the wound. He is numb to the bites on his shoulders, but he finds himself stroking the Alpha’s toned back.

“Yes.” Sam whispers again and he moans as his alpha enters him again. Sam wraps his legs around the Alpha’s waist and they move together.

Sam feels his mind open, and he is clay in his alpha’s hands. He is ready to listen, to do what his alpha wants.

“I am your master.” The alpha whispers softly in his ear. “You will answer only to me, no one else has any control over you. Not mother, not father, no one but me. You will do as I say when I say it, and you will never tell me no. If you are angry with me, you will tell me. If you are needing me in any way, from sexually to domestically, you will tell me. No one else may touch you, for you are mine, and if someone does touch you, you will tell me and I will kill them. I am the sun in your skies and the moon in the darkness of your life. I will love you, as I have always loved you, because you are mine. You will tell me anything that bothers you, anything and everything. You will do as I say, and you will not deny me your body or your soul, as I will never deny you mine. When this is over, you may call me by my name, or you will call me your master. There is nothing more important to me in this world than you, so in turn I will be the most important thing in your life. You will come to love me, and if you never love me, you will respect me, until the day you die. Do you understand?”

Sam understands, and his alpha’s word is law, and the words take the shape of iron in his mind, he will do all these things, because his alpha said so, and so it is done.

“Yes.” Sam moans, as he is near his second orgasm. “I understand.”

They both climax together, and the alpha rolls so Sam is on top of him.

“Bite me.” His alpha whispers.

Sam does, he sinks his teeth into his alpha’s neck, causing a moan, and then he bites the shoulders of his alpha. There is blood on Sam’s mouth, but he doesn’t care.

His alpha holds him close and whispers, “Good boy, Sammy.”

They fall asleep.

The next morning, the sun blinds Sam as he wakes up. His alpha is asleep, still in his mask. Curiosity overtakes Sam, and slowly he reaches up to remove the mask.

He gasps when he sees that it is Dean underneath.