chinanigans | BKDK: ABO

BKDK: ABO

[It was normal for you to start presenting as you started highschool, therabouts. But Izuku...he hadn't yet. He was a late bloomer, as he seemed to be with everything, which made him wonder if maybe he wasn't just a Beta or something after all.

Ever since they were kids though, Katsuki would drill it into him that he'd only ever be an Omega. He was too wimpy and weak to be anything but. So why hadn't it shown up yet? Surely it would have by now, especially now that others are presenting all around him, Omegas experiencing their first heats before being put on supressants, and the same with Alphas and ruts.

But there was no change for Izuku. At least not until second year.

It had been a normal day, or so he thought. No abnormalities, nothing really out of the ordinary as he entered school grounds and headed towards his homeroom class. Once he actually made it inside though, something strange hit him. All the people he could normally smell throughout the day...their scents had amplified tenfold. He could immediately scent each and every one without having to look at them.

Alpha. Alpha. Omega. Beta. Omega.

He stepped past the threshold into homeroom, assaulted by too many smells and too much noise. He felt...hot, and overwhelmed, bringing his sleeve to his mouth for a moment for a breather as he sat heavily down in the seat behind Katsuki's. He hadn't come in yet...]

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[Scarcely will the words- more like a command than permission, but it's close enough- leave Katsuki's mouth before Izuku's own is to his skin again, lips working briefly to relocate the exact position of the gland beneath before he unceremoniously fits his teeth there and bites.

He bites with considerable force, this time. Plenty enough to drive his canines down into Katsuki's neck, puncturing the skin and by extension stimulating the marking gland, blood immediately welling up around his teeth as he grabs at him harshly with his hands, fingers curved against his uniform as he forces him up even harder against the door.

Izuku snarls like a rabid animal, a sound nearly inhuman.]

[Katsuki knew, logically, that it would feel amazing. He knew Omegas were born to be marked, and that to them it's like the ultimate pleasure to have that gland bit. But the thing is, he always thought he'd be the one delivering said pleasure-- he'd be the one biting down hard onto an Omega's neck, causing them to howl and cry with the sensation.

He never knew, really, just how it would feel to be on the receiving end. He never knew it'd be so.. overwhelming. And try as he may to keep his pride and not utter a single noise as the teeth sink into his skin, instincts take over pretty quickly. He winces as the pain strikes his neck, blood gushing out of his new wound causing his neck to feel extremely hot where it runs down. But the moment those teeth reach the gland, a feeling washes over him that actually gets him to let out a loud moan.

Something that Katsuki vowed to never do at the beginning of this.

It's high pitched and accompanied with tears that he can barely keep back, and at the same time, he feels his cock suddenly seize up... and twitch as he comes in thick strands over Deku's abdomen.]

[A lot happens all at once, just then. It seems that the moment Izuku bites down on Katsuki's neck, maybe even a little before, he ends up cumming from it. Not only that, he tightens down on Izuku so much that he fears for a wild second that he won't be able to move anymore. Fortunately this ends up not being the case as Izuku moves on automatic, all other thought erased other than one: to mate. Breed. Make Katsuki his.

With one punishing thrust of his hips forward, the base of his cock makes it past that ring of muscle and into Katsuki's body as Izuku knots him, firmly locking himself in place as he cums shortly thereafter with a thick sound through his teeth still latched onto Katsuki's neck. He cums, and he doesn't really seem to stop right away either, shivering from the shoulders down.]

Fuck--!

[A loud gasp forces itself through Katsuki's throat, when he feels Deku's knot push it's way in, stretching the opening with such force and speed that it'd be a miracle if it didn't tear. It goes in so deep, that he can feel it press against his cervix (its abo mpreg the only kind allowed). Even going as far as to start stretching that open too.

And as soon as that swollen muscle is all the way inside of him, something burning hot and thick shoots in through the small opening his cock made and it feels.. so overwhelming that Katsuki forgets how to breathe for a couple of seconds.

He gasps, which turns into heavy, frantic panting as Deku's semen not only fills him up, but starts to spill out of him as well just from how it's not stopping.]

D-De..kuh-k-kuuuuu...u......

[He croaks out Deku's name in a growl so low and hoarse that it's almost too hard to hear.]

[Izuku maybe tries to say Katsuki's name, but instead it just comes out as yet another deep, drawn out growl. Posessive and downright scary in its intensity as his teeth sink even deeper into Katsuki's neck, though not deep enough to cause him to bleed out. Probably, as long as Izuku eventually lets go.

Right now, though, he doesn't want to let go. He wants to keep hold of his mate, staying linked with him for as long as he possibly can. Still cumming, so overwhelmed by him that the pleasure he feels is a completely different entity.

It's a miracle they haven't been caught yet, with Izuku holding Katsuki flush to the door to the bathroom as opposed to one of the stalls.]

[Katsuki sighs between gritted teeth, an attempt to keep himself quiet when he feels Izuku's teeth pierce his neck even more. At this point, his dick is as flaccid as can be and he's more or less just taking what Izuku has to give him. And it's.. too much, even for him.

He feels his consciousness starting to slip away as that cum keeps filling his insides, and blood continues to drip down his neck. It's such an intense experience that he never, ever expected especially not for the Omega on the receiving end. And honestly it embarrasses him that he can't just take it and own it like everything else. His stupid body has a mind of it's own and as it quivers and shakes against the door, he closes his eyes tight and pretty soon.. his body relaxes and he becomes a lot heavier.

He's... passed the fuck out.]

[UHH OKAY THAT'S MAYBE GOING TO BE A HUGE PROBLEM because Izuku is

Stuck. He's knotted Katsuki so like...he won't actually be able to pull out for five minutes and that's being extremely generous, it's usually more like ten...

How long is Katsuki going to remain unconscious? Izuku can hold him up against the door for some time, but eventually they're going to sink to the floor as he fails to keep them upright...and if even longer passes he'll have to figure out what to do from there.

[and then bakugo stayed unconscious for the rest of the day

No, luckily for Deku he's not out for too long. About two minutes before he starts to come to again, sweating and panting like he just ran a marathon.]

..n..nnnngh...

[He opens his eyes again, and almost immediately he becomes... very aware of the swollen muscle still. Stuck inside of him. Everything down there is sore as hell and admittedly all of the pleasure was pretty much gone, now. So it's extremely uncomfortable and he starts to growl in the back of his throat.]

Get the fuck off me, shitty nerd! We're finished, alright?!

[He pushes at him with his arms, still trembling and really lacking any strength.]

[Yeah thanks for finally deciding to rejoin the land of the living, Kacchan-]

I c-can't! I'm stuck!

[Izuku hisses, the acrid taste of Katsuki's blood still in his mouth. Now that he's had some time to sit there and come down from everything, gently licking Katsuki's neck while he was blacked out, he's definitely sounding more like...Deku again as opposed to the Alpha he's presenting as.]

Stuck?! You're fucking with me!

[Yeah, this is about what's expected of these two.

Katsuki tries pushing even harder, putting more force into it but it tugs Deku down below, which.. hurts???? Fuck. Fuck.]

J-Just-- just stop being horny for a fucking second and get your tiny chode outta my ass!!

[god this is embarrassing]

[Okay, that causes Izuku to growl with pain, reaching out to grab onto Katsuki's shoulders to try and make him STOP THAT]

I'm not! W...were you not paying attention in class when they taught us this? I...I c-can't pull out for a bit...

[It's soley an Alpha thing, the knot remaining inside and keeping the two linked until some time has passed, mainly to keep the seed inside to ensure potential ensemination.]

[Of course he was paying attention he just... can't believe they're going to be stuck like this. Aizawa was definitely going to be suspicious from how long they've both been gone but there's no way he can let them be caught like this...

He only has one idea and he hates it? He hates everything about this now, actually, but they're the ones who decided to fuck..]

...get us into a stall. Pretend you're taking a shit or something if someone comes in.

[Bossy...but fine. It'd save them somewhat if someone came in, but the smell of sex is kindof hard to mask, especially with how strong it is coming off a newly marked Omega/Alpha pair. There's blood on the door and both that and semen on the floor too, so...Izuku just has to hope no one happens to come in before they can clean up.

For now, he just grunts as he quickly pushes his arms up underneath Katsuki, mumbling for him to hold on before he picks him up wholesale in his arms, moving to stand with trembling legs before heading for the nearest stall.]

[Bakugo lets out a small huff as he's lifted and carried away, an he ends up burying his face against Deku's shoulder to hide how red and embarrassed his expression was looking right now. Why did he have to get into this kind of mess... with Deku of all people?]

...I fucking hate you, you damn shitty nerd.

[He grumbles that into the fabric of Deku's blazer.]

[Once they're in the stall, Izuku sits on the toilet with the seat up to avoid any additional mess to have to deal with, letting Katsuki sit in his lap backwards until he's able to actually free himself. In the meantime, he finds himself leaning in to lick at the bite some more, trying to clean the blood away while also soothing what he knows has to be super sensitive and painful.

It's instinctual, too. They're mates now, after all.]

...I'm sorry, Kacchan.

[You'd think Katsuki would at the very least complain about the licking, but now that they're connected.. it just kind of... feels really nice. Soothing and calming, and it weirdly... pacifies his anger.]

Mmnh.. no you're not. You were practically thrilled to stick your dick in me.

[He says as he lets his eyes close, tilting his head a little while Deku laps at his wound.]

[Izuku's only response to that is to tongue the mark harder, as if to remind Katsuki that he agreed to it and was also practically begging for it this whole time.]

I didn't...even know I was an Alpha until today, Kacchan.

Yet the first thing you do is pound the guy you've been stalking since you were four!

[It's obviously not like that-- if anything, Katsuki was the one who really got things started. But as always, he has to make things sound much worse than they are.. especially since Deku's involved.]

[Katsuki, for fuck's sake-

Izuku just sighs, licking over the mark a bit more as Katsuki continues to gripe about it.]

You know I would have stopped if I could.

Tch.

[Is his immediate reply, jutting his lower jaw out in a pout because he simply doesn't have anything else to say. It's too late now and whether Katsuki likes it or not, they're mates.]

....whatever. Guess it wasn't the worst sex I coulda' had.

...yeah? Was it really okay?

[It doesn't...really matter, but.

Also it does.]

Shut the fuck up, I didn't say that so you could start getting a big head!

[He says that with a small smack to the side of Deku's head, his cheeks flushed all the way to the tips of his ears.]

It just wasn't the worst, got it?!

Ow! I-I'm not, I'm just asking...

[It's kindof important to him, okay. He doesn't like to think that he maybe ruined Katsuki's first time because he was awful, or something. Not that either of them have any experiences to compare it to, or anything.

He sighs, his brows furrowing as he feels that knot steadily receding.]

...I'm glad, though.

[Bakugo lets out an annoyed sounding sigh, turning his head so he doesn't have to look Deku in the face anymore. At first it looks as though he's done with the conversation, perhaps just silently waiting now for the swelling of Deku's cock to completely go down.

But he does speak up, eventually. A bit quiet and grumbly.]

....what about you?

[Katsuki is a jerk but even he cares about both of them feeling satisfied.]

[Oh...

Izuku blushes, keeping his gaze angled sheepishly elsewhere.]

I-it was great.

[He thinks he would have enjoyed it more if his first time wasn't in the school bathroom, but you know.]

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