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Clingy

Summary:

Kaiser can't help but track Isagi's heats.

Notes:

Written for Femlock Week 2026, free day (but also, stalking from day 6)

There's not much lore of female alpha anatomy in fandom, but in this I chose like. Sheathed dicks? Until they're needed. They also have vaginas, but they're fairly shallow. I also didn't know how to tag this but warning for strictly omegaverse-only alpha/alpha homophobia and omega sexism. Kaiser is also definitely sleazy in this, which is how I like her best. She's opportunistic. If that bothers you, turn away now!

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Work Text:

Isagi Yuna is not Kaiser's type.

She's this tomboyish, girl-next-door kind of omega. Truthfully, such an inoffensive and mundane person tends to exist outside of Kaiser's purview. When she was a child, she daydreamed about having gorgeous bombshells on her arm, the type of women who stick out because they were — like herself— stars. Gossip rags and celebrity stalkers, fan blogs and stan accounts alike have had field days speculating who Michelle Kaiser is seeing now. Is it this beautiful upcoming actress? Perhaps it's a star-crossed affair between her and a Dortmund player? It's all very dramatic. If she could integrate popcorn into her diet, she'd snack on it while stalking ridiculously obsessive Twitter accounts and laughing at all of the speculation. She wishes it were true.

Alas, Kaiser is not so lucky.

As an alpha (a talented, rich and sexy one), she's become bored of the chocolates and flowers desperate omegas send her. Not because she doesn't love the attention, but because at this point in her career she's been tragically unable to tear her eyes away from the biggest thorn in her side. Or, well, less of that; more of a knife to the gut that only she can see or acknowledge.

Isagi is (off the field) a boring, kindly lady-omega with the fashion sense of a modest pilgrim who's only just now discovered the flexibility of a comfortable graphic T-shirt. Which is why it's all the more aggravating that Kaiser can't seem to ever look away. Not when she's brushing her teeth, not when she's wiping the sweat from her forehead with a damp rag, and certainly not when she's shoveling shitty cafeteria food down her gullet like a man starved.

Of course Kaiser notices when she leaves for her heats. Isagi's a modern omega, and takes care of things like modern omega's oft do; she finds an alpha to take care of it for her. It's not her business, but she goes sniffing around anyway. On a good suppressant, omegas really only experience a heat three times a year. Isagi's last was in January, and Kaiser knows she spent it with an Itoshi brat because her scent clings to the air like dead-man's waste.

That, and the shitty grin Isagi wears the entire week following. Like the whole world doesn't know who she's been fucking.

But from the way it seems, nobody but Kaiser has the gall to say it out loud. No tabloids, no gutter hit-pieces, no nothing. But Kaiser knows.

What Kaiser also knows, is that Isagi is due for a heat any day now. She can smell it on her; it lingers on her used towels, on all of her kits, all of her bras and every item her fingers ghost. She must have a better nose than her teammates, because none of them have said anything to her yet.

The smell of pre-heat is enough to drive Kaiser to the brink of insanity. And— she's ashamed to admit— humping her pillow until the cotton sleeve has torn and she needs to buy a new one. Pathetic. She's sated by the knowledge that somewhere, Isagi must be doing the exact same thing. She's equally unnerved by the concept of it being an Itoshi she's dreaming of.

It only grows worrisome when Isagi's scent spikes right at the tail-end of May. It's disgustingly hot outside, a nauseating humidity that leaves the team drenched in sweat following an outside practice. It's to be expected, with the final match of the Bundesliga hurriedly approaching. But the sweat makes everybody reek, a noxious combination of alpha-beta-omega hormones creating a furious odor strong enough to give the poor people a building over a headache. It's this logic, her brain reasons, that allow her to push aside that she can smell Isagi above everybody else.

 

An hour after practice, her scent still lingers in the locker room.

 

When Isagi signed onto Bastard for real, it was a whole… Thing.

God, she was so fucking pissed. Of course Bastard wouldn't break their offer after Blue Lock, not with the spike in popularity they received. And it was all thanks to Kaiser and her award-winning antagonism. Bastard experienced record breaks in television viewership, beyond packed stadiums and all-around global media attention. More and more young talent started frothing at the mouths for the chance at getting offered a spot on her team than ever before.

Naturally, none of those shitty losers actually got it.

But Isagi could. Without even needing so much as to cross her fingers.

Kaiser popped upward of twenty soccer balls, and screamed at everyone and everything at the drop of a hat. Noa had to fucking scruff her, the old bastard. Very quickly, she fell into the worst rut of her life. She even enlisted Alexis' help, God forbid, and allowed the other alpha to touch her entrance. Shallow though it may be, it sometimes helps when an alpha turns violent during a rut. Alexis has a soothing scent anyhow, one she nonetheless washes away with soft gourmand soaps so she's basically an omega. Soft hands, soft hips; you wouldn't think of her as an alpha until she pops a knot.

Not that she would; not in Kaiser, anyway.

That doesn't stop her from trying, slipping her cock between Kaiser's thighs while working to soothe her down from a rut. This way, Alexis can get a taste of what she wants out of the relationship and Kaiser doesn't go fucking insane.

 

She tracks Isagi down the day before their final match pacing in the hotel hallway outside of her room

 

"Fuck," she hears, "fuck, fuck, fuck. Pick up the phone, you jerk!" She's speaking in a furious whisper, though of course Kaiser can hear her loud and clear. She can sniff the impatience in the air, can see it in the way Isagi's foot rapidly hits the ground, a syncopated rhythm.

"What, is your side piece not answering?" Kaiser says. "Poor Yuna, with nobody to help her in her hour of need… What's our precocious omega to do?"

"Shut your fucking trap, Kaiser!" Isagi whips around to face her. "You have no idea what it's like— if I miss this game—"

"Oh, and wouldn't that be something?" She says. An image of Isagi, split open on her own fingers watching their final match against Dortmund play out without her… Kaiser, scoring the winning goal… "It'd give me more of the camera, hm. I think I'd like not having to fight for a goal against my own team. Hell, we might even win."

"Fuck right off," Isagi scoffs. "We both know you'd hate that."

"Maybe." She shrugs. "Or maybe the thought of you twisted up in your sheets, sweaty and drenched— frustrated and disappointed— that would be good, too."

"Not that you'll get the chance to see it."

"Nor anybody else, if your lackluster voicemail was anything to go by. Honestly, who are you even calling?"

"None of your business, freak."

Oh, the look on her face is absolutely delightful. Is Kaiser in heaven? That heavy, tell-tale heat flush is settling over her cherub cheeks, a heady decadent scent suffocating her. It drags Kaiser closer, the two of them toe-to-toe. More than anything, she just wants to scruff this omega and bite her neck until she's bleeding and bruising.

"Was it the bratty Itoshi?" She asks, then kisses her teeth. "No, no, she's in Spain, right? Or maybe that irritating bee? Oh— Spain, too?"

"Shut up."

Kaiser shrugs. "Seems to me like your only options are a flight away. Not too bad, but just out of reach."

Isagi doesn't reply to that. She continues to try and stare her down, but it's not hard to brush that pitiful frustration to the side.

"Thankfully, I'm right here."

"Not a chance."

"I wouldn't force you," she says. "But I'm not letting you call in any favors. Unless, of course, you've got a friend in town?"

Isagi starts worrying her bottom lip. Paranoia and fear begins creeping into her scent, tainting the otherwise heavenly scent of pre-heat. They both know Kaiser is the only feasible option right now, as much as Isagi hates it. The only way to halt a full heat is by getting knotted before it really begins.

Her face curdles. "… I fucking hate you."

"Wouldn't have it any other way."

"We do this my way."

"Sure."

"And when it's over, I'm kicking you out of my room and you'll never see it again."

"Uh huh."

"I see any photos and I'll ruin your reputation beyond your worst nightmares." She wags a finger at her. "So don't try and fuck with me."

Kaiser pushes her hand to the side. Then, she tilts her head to the side, exposing the pale expanse of her neck previously hidden by her hair, tattoo on full display. She holds out her palms, wide and open and subject to whatever whims Isagi may have. A tiny, sucked in breath.

Omegas love this kind of thing from her, and who is she to blame them? Her shitty dad used to hold her head down and open up her neck. It's how alphas force posture, and how omegas accept them when they're wary. It's unassuming and uncomfortable, a strain to maintain but worth it to get those sour notes out of the still air. Isagi watches, silent. She brings her wrists up, and rubs them along Kaiser's in feather-light circles. Her alpha should feel familiar enough for her not to be wired the entire time. A slow grin splits her face when the pre-heat scent amplifies tenfold.

"Okay," says Isagi. Her shoulders slump. "Okay."

Kaiser swoops down, and meets her lips in a harsh, bruising kiss. It's enough to knock Isagi backwards, but Kaiser wraps her arms around her waist to keep her from stumbling. She can't stop her hands from wandering, one exploring her upper back while the other kneads the firm muscle of her upper thigh. Her mouth is hot-wet-hot-wet, lips kept smooth with Vaseline.

It's everything Kaiser had been dreaming of, everything she had imagined and more. She feels sucked into her pre-heat as if she were going into a rut, that intense pounding need suffocating all of her sensibilities, the ones that tell her she should grab Isagi and drag her right back into her bedroom. Her obsessive hindbrain would rather fuck her in the hall, just on the off-chance a teammate could see them. They'd know she was finally off-limits. All at once, her incoming hard on threatens to make itself known. Usually, she has to work at her entrance for a minute for it to show itself, but it seems like everything is getting speed ran today.

Not that she's complaining.

Desperation tastes sweet on Isagi. Small hands tug at her dyed hair, yanking her closer so she can't breathe. It takes effort to pull away from her, but she manages. Beating down her instincts, Kaiser reaches for the door handle behind her, pushes open, and brings them both into the hotel room. The first thing she notices is how stale the room is. Not even a hint of a nest, just an unmade bed. Disturbing, for an omega so close to heat.

"What the fuck?" She asks. "Your room smells like. Nothing."

Isagi rolls her eyes. "Air purifier, dipshit."

"You leave a scent trail wherever you go."

"… What?"

"Don't act like you don't know," she says. "I could smell the pre-heat on you a week ago."

"I'll ignore that." Isagi lays on the bed, leaning back on her elbows. She kicks off her shoes. "Most people say I don't smell like much at all."

"They're scent blind. Do you make it a habit to fuck people who can't smell?"

Isagi shoves her, but there isn't any heat in it. Them scenting each other earlier must have worked some magic, because that animalistic hatred has been entirely eroded.

"I try to do it with people who actually like me."

Kaiser splays out against the bed and stretches an arm out to tug at Isagi. She collapses against the sheets of the un-made bed. Inky black hair fans out around her, long enough for Kaiser to twirl a lock between her fingers and still not be close to her neck.

"Think I'll be mean?" She asks. "Promise I'll treat you like a delicate flower." She waggles her fingers. Isagi shoves a hand in her face. Kaiser kisses it. She's not dignified with a response, so she just leers at her instead. Now that she's actually laying beside her, she can really drink her in. She prefers and omega who dresses up a little, but she's grateful now for how she's dressed down because she can see peaked nipples show through her form-fitting tank top.

"Just get on with it." Isagi drawls. "My tits might be nicer to look at without a top, y'know."

Kaiser reaches under her shirt to fondle with Isagi's tits. They're burning under her palm, but sensitive enough that brushing against her nipples brings her into an arch. She hisses under her touch, twitching like she can't decide if she wants to get away or push closer.

It's everything she could have ever asked for. Fuck, she's salivating for it. She wants, wants, wants so much more than she can articulate. Isagi's body is begging for her, and Kaiser plans on delivering. There's not a sweeter meal in the world.

Spurred on by Isagi's reaction and the spike in her scent, Kaiser throws off her top and pulls of Isagi's. Immediately, she mouths at her neck, planting sticky-wet kisses along her collar bones and down her sternum. Isagi's fingers dance around her biceps, groping.

"Like my arms?" Kaiser asks, lifting her face off Isagi's chest.

"Didn't I tell you to shut up?"

"Sorry, 'm bad at listening." The wet spots from where she was sucking along Isagi's skin glisten under the bedroom light, utterly entrancing. Still, she goes lower until she's playing with the hem of Isagi's cute little sweatpants. Omegas always choose the cutest shit to wear, and Isagi's no different; gray, with hello kitty on the pockets. Subtle.

She receives a kick to her lower back.

"Don't tell me you're planning on just staring all day," says Isagi. "Because I can find somebody else to fuck me out of pre-heat."

Kaiser glares up at her, but there isn't any heat in it. "I'm just imaging what you look like under these. It's too cute, y'know." Isagi doesn't get embarrassed by the remark, rolling her eyes instead. She slips her hands down, and tugs the waistband down so her panties are exposed.

"Matching," she mutters. Kaiser takes the hint, and does the rest of the work in taking her clothes off. When she gets to the panties, she admires the giant spot of slick left behind, leaving them entirely too wet to be put back on later. "Could've had me fooled. Looks like someone's eager— how slutty."

"Don't call me a slut," Isagi spits.

"Right, right," she says. Kaiser dips back down, sliding back on her knees until her face is at Isagi's crotch. God, it's exhilarating to smell her up-close, to nose at her core and lick her open. Her hole is a leaky faucet, and someone's gotta plug it up, right? "Well, don't feel embarrassed about it. Omegas can't help themselves, after all."

"You bastard—"

Kaiser licks up her pussy, and Isagi starts sounding like she's in the throes of heat. She sucks carefully, slowly as to not overwhelm her and give the game away. It's not Kaiser's style to go in all the way. She prefers to toy with her food before she eats it, which means she has to play gentle before she gets mean. It's difficult not to dive right in, with the sounds Isagi makes at just a touch. She's loud already, it's not hard to imagine what she'd sound like in heat.

She adds a single finger, edging around her entrance and trailing her folds. Her inner thighs squeeze, and Kaiser is given a painful reminder of her own ache down below. Every moan, every whimper, each and every sound incentivizes her to keep going. Isagi's pussy is fluttering around her tongue, which turns into a full-body shudder when Kaiser finally starts fucking her with her finger. She dips in, shallow, and curls up.

"Ahn-ah-ah-," Isagi whimpers. She's twisting too much, and Kaiser has to ground her to the bed with a palm at her hip. Kaiser jolts when fingers tangle her hair, and yank her closer. "Keep- keep going, shitty bastard— fuck, that feels good."

Tighter. Harder. Kaiser pistons her finger in and out while her head is squeezed, unable to get free even if she wanted to. She should've guessed Isagi would press her like this, would suffocate her to get a leg up, even subjected to an oncoming heat. No, Isagi couldn't relinquish control, not even for a second. But that just makes it all the sweeter when Kaiser climbs on top of her.

"You're desperate for it, too," Isagi says. "Should- should've guessed that. Ha. You were panting outside of my room, huh?" Kaiser moans inside of her, turned on by the dirty language. "Calling me a slut when you turn into a knot-head at my beck and call, when you whore yourself out to other alphas—," A sharp gasp, and Isagi's writhing under her with a second finger stuffing her leaking pussy.

She thrusts her fingers harder, deeper; scissoring her wide and open while lapping at the rest. The audacity this bitch has. How the fuck did she even find that out? She's going to have to hunt down her chatty teammates later. Luckily for them, she's occupied at the moment.

"Ah-uh-uh—," Isagi breaks off, throwing her head back. "Fuck— fuck, 'm close, 'm close, just a bit deeper—!"

All at once, Kaiser pulls out her fingers. Isagi attempts to wriggle down, but it's pointless.

A gasp, a cut off moan.

"What the—?"

Kaiser lumbers over her, brackets her close in between her thighs. Isagi peers at her through lidded eyes, a discontent scowl on her face.

"What did you expect?" She asks. "To get your way after taunting me like that?"

"I expected you to fuck me, not edge me," whines Isagi. "Then again, not sure if that's your thing?"

Silent, Kaiser takes off the boxers that have overstayed their welcome. Her cock is already unsheathed, too hard to remain comfortable trapped in underwear. She can feel the heat in Isagi's stare as she works at herself.

"Only if you beg." She presses the tip of her dick at Isagi's entrance. The pre-heat scent spikes again as soon as her head nudges at her folds. Isagi clenches around nothing. "Then I'll consider it."

She gasps again. "N-not a chance."

"No?"

Kaiser rubs harder, teasing her hole by dipping in shallowly and back out. Over, over, and over again. Isagi tries to squeeze her legs together for more friction, but Kaiser's too close for her to move. Full trapped, pressed down into the mattress at Kaiser's mercy like she's been the entire time. This is the Isagi Kaiser's been craving to see, right as she's realizing how helpless she really is. God, there's nothing she wouldn't give to sink down and claim her right now, bloody up her neck and permanently scar her.

It's exactly what she was denied during the NEL, but the long chase has made it all the more satisfying now.

Her lips twist, upset as it dawns on her.

"Hurry it up already!" She whines, bucking her hips. Kaiser remains patient. "Fuck me, you asshole, get on with it!"

"You know what I want to hear," she says. Kaiser kisses her just under the ear, and noses down to suck at her neck like she was earlier. Here, the scent is richest. She can damn near taste it. "Say it."

"Fuck. You."

She fucks her deeper. Isagi sighs, temporarily satisfied with the feeling of being full, finally. The only thing an omega in heat or pre-heat wants is a knot, and Isagi's no different. Kaiser nips her chest. This time tomorrow, she's going to be decorated in tiny purple bruises and red hickies.

Smiling, she pulls all the way out.

"I told you… Beg, and I'll fuck you for real."

Isagi's cheeks are burning bright red. If she looks closely, her eyes are glossy with un-shed tears threatening to fall. She's completely silent, aside from a few muffled whimpers. If Kaiser were any kinder, she'd take that pitiful look in her eyes to be begging enough. But as it is, Kaiser is a cruel woman and wants to hear the words spoken from Isagi's own lips. Wants to hear her debase herself for her cock, because there's nothing more that she could want than her.

"Please," Isagi spits, but with her lips bitten raw and her eyelashes clumped together…

"Please, what?" She edges her on. "Be specific, Yuna. Tell me what you want me to do, and I'll do it for you, okay?" Just to make her point she rubs her cock over her entrance again, spreading her pre cum, teasing. "I'll be nice, just what you want."

Bow to me, she thinks. Say it, say it, say it.

"Please—," she chokes, sniffling. "Please, fuck me, please put your cock inside of me and fuck me and knot me and— guh—!"

Kaiser slams all the way in.

Hot, hot, hot. Her walls cling onto her dick, if she wasn't so slick, she's not certain she'd even be able to move. If she didn't know any better, she'd doubt if Isagi had ever been fucked before.

The bed frame rattles with the force as Kaiser hikes Isagi's thighs up to press them down, all so she can fuck her as deeply as she wants. Oh, it's so amazing what a few little words can do to her brain. If she were a lesser woman, she might have orgasmed right then and there. As it stands, she can bite her tongue and savor the taste of well-earned victory. Teary-eyed pleas still fall from her lips as Kaiser thrusts into her.

"Such a good girl for me," she tells her. "S-so fucking good for me."

Isagi's past words now, eyes rolling into the back of her head as her body jolts under every push. She manages to find the strength to wrap her arms around her back, nails digging into her skin.

"You're taking me so well." Each word is punctuated with a thrust. Isagi whimpers, fingers falling from her back, too sapped of energy to hold on. "God, you're so tight."

Just like this, Kaiser is able to mindlessly fuck into Isagi. The angle is unsatisfying though, and she can't reach deep enough to knot. So she pulls out, much to both of their displeasure. Isagi whines, high-pitched and sweet as her hole twitches around nothing.

"Shh, sh," she says, petting her thigh. "Lift your hips for me."

She does what she's asked. Kaiser grabs on, flips her over, and enters her again. Isagi's moans turn muffled and deep, face shoved down into the pillow, ass up in the air. Kaiser doesn't let her skin cool for even a second, wrapping herself around her back.

Her neck is completely exposed.

It's the picture of submission, everything she's ever wanted now burned into her memory.

Little ah-ah-ah's fill the room, serving only to swell Kaiser's cock further, spur her on faster. She mouths again at her neck, ghosting her skin with her canines.

"Want me to knot you?" She asks. "Huh? Stuff you full of my pups?"

"Ah-uhn!" Isagi gasps, turning her head. Kaiser kisses her on the mouth.

"You'd be so beautiful," she continues. "Swollen and waddling. That's what a heat is for, hm? Maybe this'll be your last game for a while."

"Ah-ngh— no—!"

Obviously, Kaiser isn't going to get her pregnant. A smart omega like Isagi takes her birth control, diligent down to the hour. Isagi shouldn't worry about it, but it's a fantasy that leaves Kaiser drooling and her knot inflating. Isagi, relying on her to take care of her, to clasp her hand tight, to rub her feet and help her move around. Such a far, far distance from the girl she wants to destroy on the field, who she wants to devour. She wants every side of this woman, wants to hold her at her lowest and destroy her at her best.

When Isagi's legs give out due to the pressure, Kaiser is right there to catch her.

"Don't—," she cuts off with a grunt. "Don't tell me you don't want it, too."

Her knot catches briefly on Isagi's hole. She reaches down to rub circles into Isagi's clit, suffocating her with pleasure front and behind.

As soon as she feels Isagi's spasm around her fingers, her pussy tightening around her cock, she pushes her knot in and spills inside of her. Warmth trails down her fingers as Isagi's squirts all over them, squealing. The relief is an electric current riding over every inch of her body until her eyes are rolling into the back of her head. Her vision swims, still bleary even when she tries to refocus on Isagi underneath her, panting. A thin sheen of sweat sticks them together, just as her knot does.

Every twitch tugs at their connection, so Kaiser deepens it. She drops fully onto Isagi's back, bringing both of them down on their sides. Mildly delirious from a good fuck, Kaiser can't stop the laugh that escapes her lips.

Isagi slaps her arm. "How long does this thing last?"

"You don't know?"

She shrugs, best she can while their attached. Kaiser wishes she knotted her on her back, so she could see her face properly.

"It's different for everyone," she answers. "Yours better be quick, I wanna practice later."

"Practice?"

"Yeah," she says. "Because I'm taking my career seriously, unlike you right now."

She kisses the back of her neck, causing her to scrunch in on herself. "Well, we'll have to do it together then. At least an hour."

Isagi makes an incredulous sound.

"What did you expect when you asked me to knot you? Five minutes?"

"… Rin's doesn't last very long," she admits.

"Oh, no?"

"Ah. I shouldn't have said that."

"You should delete her number."

She really should. What's the point of a booty call living a country away? With Kaiser, she's never going to have to deal with something like that. For both of their sakes, Isagi should count on Kaiser always nipping at her heels. The jealousy washes away easily, replaced by the odd sense of calm breathing in Isagi's scent gives her.

"Why should I do that?" Isagi asks, though more in jest than anything approaching offended. "Just because you asked?"

"Yeah," she mumbles, lips still pressed into her skin. "Yeah."

"Clingy," Isagi tuts.

She doesn't say no, so Kaiser is fine pretending like she might actually do that for her.