
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/9042227.
  Rating:
      Explicit
  Archive Warning:
      Rape/Non-Con, Underage
  Category:
      M/M
  Fandom:
      Haikyuu!!
  Relationship:
      Kuroo_Tetsurou/Yamaguchi_Tadashi, Tsukishima_Kei/Yamaguchi_Tadashi,
      Bokuto_Koutarou/Kuroo_Tetsurou
  Additional Tags:
      Alpha/Beta/Omega_Dynamics, Cuckolding, multiple_loads, cum_slut_yamaguchi
      duh, Cum_Inflation, Kinda, fluff_at_the_end, Light_Bondage, Slight
      Choking
  Stats:
      Published: 2016-12-25 Words: 2066
****** I Am The Alpha, I Am The Omega ******
by kuroken_is_trash
Summary
     Tsukki gets cucked.
Notes
     I apologize in advance.
     I put the non-con warning on simply because Yamaguchi never
     explicitly consents. I remember reading somewhere that an author had
     a theory that if an omega didn't consent, they could do something
     that made even very powerful alphas listen, almost like the omega
     version of forced submission? So I'm going off that theory. But
     still, read at your own risk.
Yamaguchi had been on edge all day. It hadn’t helped that he was tired from
three vigorous days of training camp, but he also wanted to scratch his skin
off he felt so uncomfortable. And he just didn’t know why.
It was the end of the day; Karasuno had just finished up their last practice
match for the day against Fukurodani. They lost, of course, because their ace
was a beast, but Yamaguchi was used to losing at this point. Tsukishima,
however, wasn’t taking it so well.
“It’s just so annoying, how did he get that good?” Tsukishima complained, as he
helped Yamaguchi put away the balls in the equipment room.
“He’s a third year, Tsukki,” Yamaguchi said. “He’s got two years of experience
on you.”
“Yeah, but he’s tall and muscular, it’s not fair,” Tsukishima whined in a very
un-Tsukishima like fashion. He was usually pretty composed, but something had
gone on last night between him and the group he’d been practicing after the
games with. Since then, he’d been way more motivated to win.
“I heard he wasn’t even a starter as a first year; that means you’re better
than him already.”
Tsukishima huffed, but gave Yamaguchi a small smile. “Anyway, how are you
doing, you said you were feeling weird at lunch.”
“I don’t know,” Yamaguchi sat down on a large box in the corner of the storage
closet. “I’ve felt on edge all day, like someone’s going into heat or
something, but everyone seemed fine.”
“That’s weird, I haven’t smelled anything.” Tsukishima sat next to Yamaguchi
and put a hand on his thigh protectively.
“I know, that’s partly what’s making me so uncomfortable,” Yamaguchi sighed.
There was a knock on the door. Both boys looked up at the same time to see
Kuroo standing in the doorway, pupils blown wide, a thick sheen of sweat on his
forehead.
Suddenly, both boys knew why Yamaguchi had been on edge all day. Kuroo was in
the middle of a rut.
“Tsukki,” Kuroo said. “Bokuto needs to see you.”
Tsukishima’s grip on Yamaguchi’s thigh tightened. “If he needs me, he can come
find me himself.”
“Oh come on, Tsukki, maybe I wanna hang out with Yamaguchi, get to know him a
little better.” Kuroo sauntered toward them as if he were drunk.
Tsukishima could feel Yamaguchi trembling next to him. It wasn’t his fault;
Yamaguchi was an omega and Kuroo was releasing extremely potent alpha
pheromones right in front of him.
“I’m not leaving him alone with you anytime soon,” Tsukishima growled,
reminding Kuroo that he was an alpha as well, and Yamaguchi was already claimed
as his own.
“Hey, you can’t start without me!” A booming voice rang out and in ran Bokuto,
cheeks flushed as if he’d just run a few laps around the gym.
“We’re not starting anything,” Tsukishima said and grabbed Yamaguchi’s arm,
attempting to maneuver him out of the room.
Yamaguchi whined, Kuroo’s scent arousing him in a way only Tsukishima’s usually
did. He’d never been around another alpha in a rut before; he was confused and
wanted to leave, but at the same time he wanted to find a room alone with Kuroo
and plant his face in a pillow for the whole night.
All the sudden, Kuroo grabbed Tsukishima and threw him into the wall. “Listen,
first year, you’re in my territory right now.”
Tsukishima was staring Kuroo right in the eyes as he was being pinned against
the wall by his shoulders. Normally, Tsukishima would have been about as strong
as Kuroo and able to throw him off, but something in the way Kuroo was glaring
at him made the hair on the back of Tsukishima’s neck stand up. Jesus, he
really is the alpha of this pack, Tsukishima thought.
Kuroo’s looming figure was replaced by Bokuto, who threw Tsukishima to his
knees on the floor and tied his hands behind his back with a piece of a broken
volleyball net.
“Be a good boy, Tsukki,” Bokuto whispered in his ear from behind.
“What the fuck, guys!” Tsukishima struggled against the bindings but Bokuto had
tied them well.
Kuroo had Yamaguchi backed up against the box they had just been sitting on.
Yamaguchi was whining and looking at Tsukishima with desperation in his eyes,
but he wasn’t making an attempt to get away.
“I’ve always thought he was cute, you know,” Kuroo said, running his fingers
through Yamaguchi’s hair. “You were so protective of him though, no way to ever
get close.”
“Fuck you, Kuroo. Bokuto, untie me, damn it!” Tsukishima struggled against the
bindings, unable to stand up with his hands tied so tightly.
“Kou, shut him up,” Kuroo groaned.
Bokuto grinned and whipped off his shirt, tying it around Tsukishima’s mouth
and behind his head.
Tsukishima continued to groan and struggle until Bokuto knelt behind him and
held him still with his body. Bokuto’s crotch was pressed against Tsukishima’s
back and he could feel the other alpha’s hardening cock.
“The fuck?” Tsukishima tried to say through he gag but it just came out as a
muffled groan. Was Bokuto into this? Did he want to fuck Yamaguchi too? Or
wait, Bokuto and Kuroo? But they were both alphas. It was possible though, the
way Bokuto was watching Kuroo grope Yamaguchi, lust in his eyes. Was that why
Kuroo was after Yamaguchi? His mate couldn’t get him through a rut like an
omega could?
Tsukishima struggled again, attempting to maneuver out from under Bokuto’s
weight, but he was too strong.
“Why this one, Tetsurou? Seems like a lot of work,” Bokuto noted, trying to
keep Tsukishima’s movements to a minimum under him.
Kuroo was sucking on Yamaguchi’s neck, Yamaguchi’s head thrown back and eyes
blown open. Yamaguchi’s little omega cock was throbbing in his pants, his
opening already dripping from Kuroo’s overwhelming alpha scent. Even Tsukishima
was entranced by Kuroo’s scent. The dick pressing into his back and Yamaguchi’s
little moans as he wantonly pressing his body back against Kuroo’s weren’t
helping either. Fuck, Tsukishima was getting hard from this too.
Kuroo detached himself from Yamaguchi’s neck and fell to his knees, pulling
Yamaguchi’s hardened cock from his pants and stroking it.
“He’s cute, isn’t he, Bo? You want a go later?” Kuroo asked, licking a stripe
up the underside of Yamaguchi’s cock.
“Nah, not really my type,” Bokuto declined. “Maybe I’ll have my way with this
one though.” He gestured to Tsukishima underneath him.
“Fuck you!” Tsukishima cried through the gag. He might be getting turned on
watching his mate getting manhandled by a higher alpha, but he sure as hell
wasn’t going to let Bokuto of all people fuck him.
“I’m just messing with you, Tsukki! There’s plenty of omegas around, maybe I’ll
have a go at your libero,” Bokuto grinned at Kuroo, “he looks like a good
fuck.”
“Good luck with that,” Kuroo scoffed, rolling his eyes and looking away. “Their
ace might look like a baby, but he’d kill you if you even looked at that kid.”
“Well who else am I gonna fuck?” Bokuto whined. “You won’t let me touch Kenma!”
“Stay away from my best friend!” Kuroo warned.
“Well I can’t keep fucking your ass, it’s not the same as an omega!” Bokuto
whined.
Yamaguchi groaned, realizing he was being neglected. “Kuroo-san,” he said,
rubbing himself against Kuroo.
“Oh shit, sorry.” Kuroo seemed to have forgotten for a moment was he was doing,
but snapped back into alpha mode as his eyes turned dark. “Turn over,” he
commanded Yamaguchi.
Yamaguchi rolled over, half laying on the box, his entrance presented perfectly
for Kuroo.
“Fuck,” Kuroo groaned as he pulled his dick out of his gym shorts.
“Tsukki,” Yamaguchi whined, looking over his shoulder at his mate.
Tsukishima growled and struggled against Bokuto again, but not enough to even
attempt to get away. He just didn’t want to admit he was somewhat enjoying
this.
“Ah, Kuroo-san!” Yamaguchi cried out as Kuroo entered him from behind.
Kuroo was leaning over Yamaguchi, pressing him harder against the box they were
on. Bite marks littered Yamaguchi’s back and he cried out in pain as Kuroo bit
right above the bond mark on his neck. He was already bonded to Tsukki, so the
bites wouldn’t do anything, but it made Kuroo feel powerful to leave marks all
over the little omega.
Tsukishima had stopped struggling at this point and just watched his normally
reserved mate whine and moan as he bounced back on the other’s cock. Kuroo’s
hands were up the front of Yamaguchi’s shirt, playing with his sensitive
nipples, rocking his thick alpha cock deep inside him.
Kuroo flipped Yamaguchi over and ripped his shirt off. He had one hand jerking
Yamaguchi’s cock, the other gripping his throat, biting at his nipples until
they bruised.
“Kuroo-san, it’s too much,” Yamaguchi whined. “I’m gonna come soon.”
“Do it, fucking come all over yourself,” Kuroo groaned, his thrusts speeding up
and becoming deeper at once.
“Nooooo, Tsukki!” Yamaguchi cried out, tears rolling down his cheeks from the
overstimulation.
Tsukishima groaned; hearing Yamaguchi calling his name made him even harder,
but the way he was being held down left him no room to even rub against his own
leg.
“Kuroo-san I’m-“ Yamaguchi choked on his own words, breath coming out in small
gasps as his cum spilled over Kuroo’s hand and dripping onto his own stomach.
“Fuck, Kuroo, come on his face or something,” Bokuto demanded.
Kuroo went to pull out but Yamaguchi snapped out of his post-orgasm trance and
gripping Kuroo tight to hold him in place. “Inside, please,” he begged,
breathlessly. His cheeks were red with embarrassment.
“Shit,” Kuroo groaned. “You’re cute and a cum slut too, fucking hell.”
Yamaguchi blushed, but didn’t deny it. His hole ached from being pounded into
ruthlessly, but he craved the full feeling, and wanted something left behind
when they were done.
Kuroo rocked back into Yamaguchi, gripping his throat and giving him one more
bite on the shoulder before spilling his load into Yamaguchi’s eager hole.
Yamaguchi moaned lazily as Kuroo’s knot stretched him open even more and the
warm cum sloshed around inside him.
“Don’t let any of it drip out,” Kuroo said, when he pulled out of Yamaguchi.
Yamaguchi pressed his thighs together to keep it inside. Tsukishima was dying
at this point, cock so hard he could hardly see straight. Thankfully, Bokuto
untied him and he threw the gag off, running over to Yamaguchi and leaning over
him to cover his naked, used body.
“Tsukki,” Yamaguchi whined, looking up at his mate with sated eyes.
“I’m here babe,” Tsukishima answered.
“Tsukki, I think he triggered my heat.” Yamaguchi proved his point by rubbing
himself against the hardness in Tsukishima’s pants.
“Okay, babe, let’s get home first though.” Tsukishima suggested, still somewhat
in the right state of mind to make decisions.
“I need more, right now, please,” Yamaguchi begged, his thighs pressed tightly
together, but he could feel some of Kuroo’s cum sliding past the lose ring of
his entrance.
“If you’re not up for it, I’m more than willing to help out!” Bokuto
interrupted.
Tsukishima growled, throwing a glare over his shoulder at Bokuto who was
probably joking, but now was not the time.
“Come on Bo, I’ll take care of you.” Kuroo pulled Bokuto out of the closet.
“We’re obviously not welcome any more.”
“Fuck off, you never were!” Tsukishima shouted as they closed the door.
“Tsukki!” Yamaguchi cried out and pulled Tsukishima closer, rubbing their lower
halves together.
“Okay babe, once here but then we gotta clean up, you’re a mess.”
“No, make me messy, please Tsukki.” Yamaguchi begged, his voice becoming
whinier.
“Come for me again, Tadashi.” Tsukishima pulled his cock out of his pants and
slowly rocked into Yamaguchi, sticky cum squishing out around his dick.
Yamaguchi came for a second time right away, adding to the sticky pool of
cooling cum on his stomach.
Tsukishima rocked into Yamaguchi lazily as the pheromones took over and got him
high. He was enveloped in Yamaguchi’s scent; thankfully Kuroo’s hadn’t lingered
like his cum had. He finished quickly, adding to the full feeling in
Yamaguchi’s belly.
“You’re so greedy, Tadashi, you look pregnant,” Tsukishima cooed as his knot
expanded to full size inside his mate.
Yamaguchi purred happily. “Tsukki babies.”
“Maybe someday,” Tsukishima promised him, pressing gentle kisses to his closed
eyelids. “Someday.”
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