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k-atsukibakugou · 3 months

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the bathrooms at house parties are really only used for one thing

pairing: katsuki bakugou x f!reader w/c: 4.0k warning/s: fem!reader (has a pussy, wearing makeup + skirt), established relationship, toxic relationship, cheating, alcohol mention (tipsy sex), blood/biting/marking/cutting mention, unprotected sex, degradation/name calling (not really but just in case), hair pulling, fingering (f!receiving), oral (m!receiving)

crossposted to ao3 • masterlist • wip updates & voting • kofi • askbox

18+ MINORS + BLANK BLOGS DO NOT INTERACT

“you know you're a terrible friend, right?” your voice was already broken, growing more and more uneven the more your chest heaved against his, your words nearly silent against the blond’s skin, painted lips planting a kiss on his before travelling down his jaw and neck to the collar of his shirt. your airy voice was just loud enough to be heard over the heavy bass music shaking the wooden door, near deafening on the other side of it, the party in full swing, whooping and cheering, and a near constant clink of beer bottles tapping together breaking through the music occasionally, the celebrations downstairs continuing as if the two of you had never been there at all.

“i am, huh? what about you? abandoning the party you set up, just for a quick fuck?” katsuki was too breathless for his mean tone to carry any of the usual bite, the words only coming across as a hushed, panted attempt at his typical bullying. it made you return an equally breathless giggle at him, pulling back from kissing his neck to stare up into his carmine eyes studying you with half-lidded, smoky eyes; your dark eyeliner smudged around them just the way he liked. leaning back on the sink to rest your back against the small mirror behind you, your eyes sparkled staring into his, mischief and lust swimming around the depths of your pupils. he couldn’t wait to have them rolling into the back of your head, exactly like they did every time you met like this, rushing, locked in cramped, darkened rooms whenever you both had a free moment, not a second thought for the time or place, only thinking of feeling one another.

even here, your game of kings cup and bursts of dancing cut short when your eyes met his ruby red ones across the hall the moment he walked through the door, only breaking the intense contact to answer a heavy tap on your shoulder; the birthday boy tilting your chin up for your punishment drink, the cup half full of random splashes of everyone's alcohol; your’s and eijiro’s hard lemonade, ochako’s gin and tonic, momo’s prosecco and jirou’s fruity vodka, and you thought you could taste juuuust taste the beer denki dug out too. eijiro flashed his sharp white teeth down at you in a lopsided grin when you dipped your head back further and opened your mouth, your eyes locked up into his scarlet ones as you tried your hardest not to choke on the gross mixture of the drinks, cheering with high fives, whistling and whooping with everyone when you swallowed it with a sour face, missing the way katsuki’s scarlet eyes tracked a stray droplet of the liquid down your jaw, to your neck, to your chest before it disappeared into your neckline.

while you were celebrating, receiving a boyish slap on the back from hanta, katsuki was still surveying you, only pulled from his focus on you by his friends shoving him in greeting, dragging the fashionably late blond into the kitchen, denki passing him a can while mina handed him a fresh cup, pressuring him to catch up before you could even get in a greeting. katsuki had already downed half the cup by the time the redhead let go of your jaw to greet his final friend to arrive. you wiped your chin, catching any last stray drops from the foul drink with your finger, sucking into your mouth, your heart jumping to your throat catching his gaze once more, cherry red eyes locking to your lips over the rim of the plastic cup, stormy pupils glued to your dark lips wrapped around your finger.

not even an hour after he showed up, here you were: your skirt hiked up around your hips and your hair mussed while your heartbeat thrummed under the skin of your throat against his soft lips, the centre of them stained red from whatever he was drinking before pulling you in here, the empty cup abandoned on the edge of your sink beside your own, both of you preoccupied with exploring hands under shirts, lips and teeth clashing, both of you trying to take everything you needed from each other; desperate to feel his hot skin against yours already, one kiss from him already getting your breath hitching in the back of your throat, your blood burning hot with need.

“oh please, you know that is nowhere near what you’re doing, this has to be some kind of record, you couldn’t even wait, what? a week?” you teased, catching the way his eyes flashed a shade darker in the mirror ahead of you when he spun you around, a threatening squeeze of his rounded fingernails into the fat of your hips and the sharp point of his canines serving as a warning to shut your mouth before he’d do it for you. you were right, he knew it, but he also knew you weren’t much better, maybe even worse, parading around in the shortest skirt he knew you owned; he could picture you clear as day digging through all of them for this one, picking it for the way it hugged your figure, for the ease katsuki would hike it high on your hips to leave your thighs on display, so little of the fabric covering you he hardly even needed to tug at it to admire the curve of your ass. biting your lip, you submitted to his threats, not having the time you typically would to play with him, to mock his obsession with you, your addiction to each other, instead settling in more against the sink, pushing your ass back against him, “you got a condom, ‘ki?

“i’ll pull out,” his warm breath and soft lips on the side your neck reminded you of every time you’d ended up exactly like this, katsuki always determined to kiss you anywhere he could reach in the time you had, but never leaving any evidence, the same couldn’t be said for your lipstick marring his jaw, clearly this rule was being thrown to the wind tonight, dull fingertips digging into your clothed tits as his teeth latched onto your neck, finally laying his claim on your skin after nearly a year of this, letting his fingertips leave ten cute bruises on your skin beneath his hands, ignoring the way you tried to push him away from you (with next to no effort, not really wanting him to stop), whispering sternly to him, “oi.”

“shut up, no one out there is sober enough to notice.” his lips didn’t move far from the side of your throat while he gruffly responded in your ear, sliding your shirt up your stomach to expose your tits to him, hot fingertips toying with your hard nipples as his mouth moved, stormy garnet eyes watching you shiver at his unusually bold behaviour before he moved back up toward your face, nipping hard beneath your ear to force a gasp from you, “‘n i know you need it, sweetheart, need it rougher than what he gives you, i could cut you and you’d thank me. or don’t you remember when you were on your back, voice all high, beggin’ me to fuck you like a bitch in heat? use me, katsuki, that sound familiar?”

you flushed hot hearing him mock your high-pitched moaning, your mouth snapping shut, not wanting to admit you thought of it constantly, replaying his growls and deep groans in your mind when you needed to cum. when you stayed quiet, not admitting anything, he continued, one thick hand travelling up your bare navel to your chest to settle at your neck, holding your jaw like the redhead had earlier, keeping your face forward for him to stare down in the mirror, “next time you tease me like that, you’ll have handprints to try n’ explain to him.”

it wasn’t so much a threat, as it was a promise, no venom coating the words, only desperation underlying his arrogance, damn near begging you to give him a reason to make you his. you melted more into his touch hearing his voice dropping at the mention of his handprints littering your skin, giving up trying to dissect his tone, instead just revelling in his rough, impatient hands roaming your body, slipping between your thighs to stroke the slippery, sensitive skin there, the very tips of his fingers tugging at the tiny amount of fabric there. katsuki’s frenzied touches to your pussy sent electricity through your nerves, the feel of his warm hands on your more addicting than any other date could ever hope to be, his eyes far more captivating, always keeping your gaze locked on his in the mirror, your eyelashes fluttering to break the intense contact the moment his fingers sunk into your dripping cunt with a low groan.

“see, baby? you still need me, you always will.” you were too distracted to respond, to try and argue despite how wet you got looking at him, focusing on keeping your sounds of pleasure as soft as you could, making sure the music remained the most prominent sound in the house. katsuki had already let go of your face, but hypnotised by his sculpted form, you kept staring forward at his reflection, his free hand now pressing on the small of your back to keep you arched in front of him, keeping your needy cunt on display (katsuki addicted to how your body reacted to him, it didn’t tease or mock him, it never lied about how much it needed him). your pussy was the star of the show, evident by the way he toyed with you; plunging and curling his fingers deep inside you until you keened, only pulling them back to rub your clit, taking his time to warm you up, hardly needing to when you fucked him only five days ago in an unused supply closet, shelves covered in a thin layer of dust disturbed only by his handprints and your ass.

you got lost staring at him, your heart racing anytime his strong hands were on you, thinking about what he was saying with his hand around your neck; he was right of course, katsuki had always been the only one to satiate you, to scratch the itch deep inside you that no nice guy you’ve ever dated would be able to, the kind of itch only he could relieve, a frenzied fuck that had you both out and done in under thirty minutes, half of that time spent toying with each other, instead of making love for hours into the night. his thick fingers, sharp teeth, venomous words and stormy glare doing more to you than all the others before him combined, locking knowing eyes with him across a room getting you closer to cumming than some of their cocks.

“quit thinkin’ so loud.”

his words brought you back down to earth, back to focusing entirely on his body heat on your skin, one of his hands squeezing your hip so tight you were worried he’d keep his promise and leave a dark mark on your skin for days to come. attentive eyes were locked on your reflection, he waited until your mouth dropped open to spit back some bratty retort at him, certain it would’ve been dripping with attitude if he didn’t sink himself into you, cutting you off; barking out a laugh at the way your eyebrows furrowed and you immediately bit down on your bottom lip to stay quiet, he thought you looked like your eyes were about to cross like some lewd manga kaminari and sero would froth over. not even giving you a moment to adjust to him, not like you really needed it with how effortlessly he got you wet, katsuki started fucking you urgently, his hips slamming into your ass over and over again, almost as if he was suddenly aware of the time constraint you were on, someone sure to notice the pair of you missing soon enough.

hard porcelain dug into your hips, your hands gripping the edge of the sink doing little to hold your body up against the strength of katsuki’s hips pumping behind you, no concern for the way he kept pushing you forward, your head nearly bumping the mirror if not for him gripping the hair at the back of your head.

“nothin’ to say now, huh, baby? you know i’m right, he doesn’t fucking compare to how i fuck you, or you wouldn’t keep crawlin’ back.”

katsuki’s arrogance was well-deserved, even if you wouldn’t say it aloud, the barely-there brush of his calloused fingertips over your clit had you hissing, your hips bucking into his touch, demanding more. he’ll give it to you, finally giving up the cat and mouse once he was satisfied with how you sought after him, circling two fingers around your swollen clit, lust-filled eyes flashing at the surprised moan that escaped you, your palm not fast enough to cover your mouth to muffle it. your shining eyes rolled at his cockiness, now stuck back in your skull at his ministrations, drawing you closer and closer to your end while you desperately nodded your head as much as you could in his grip at his words rather than squealing out a “yes, yes, yes katsuki!” like you wanted to.

katsuki kept a tight hold on your hair, his grip close to your skull, keeping your head up while the rest of your body slumped over the sink, your chest nearly touching the mirror with how deep your back arched, only getting deeper the more you slid against the slippery porcelain of the sink. your body was entirely supported by his hand, and the sink at your hips, your arms and legs weaker and weaker the longer he fucked you, the fat of your ass rippling with every slap of his hips against them, every thrust back inside you forcing another gasp and whine from your throat, muffled as much as you could with your hand, “you’re really about to cum?”

his voice was back to being mean, low and mocking, nearly black eyes watching your face contort with his words, his rough tone like a lightning strike straight to your cunt, your muscle squeezing around his cock enough to have him following you soon after. you couldn’t even nod if you tried, the only motor skills your brain was concerned with being your hand, buried under your skirt, circling your swollen clit until you were trembling, thighs tense and your knees shaky. still with a vice-like hold over your mouth, your eyebrows furrowed in the centre, your eyes squeezing shut, your tits bouncing against the mirror.

usually he’d be watching your face in the reflection, or the way your tits were spilling out more and more with every rut of his hips, instead, his eyes were glued to the way your cunt and thighs glistened in the dim yellow-y tinted light, admiring the white ring of your cream around his cock. the sight of your cunt so wrecked had his hips stuttering in your beating cunt, having only just enough composure left to pull out of your heavenly pussy, leaving you shaking and slumped over the sink without his strength to hold you upright.

your body felt like unset jelly, your head swimming with pleasure, your body still recovering from waves of aftershocks that had you whimpering when he was muttering to you again, pulling you off the sink with strong hands, “c’mere, baby.”

delirious, you blindly let him guide you to your knees in front of him, his leaking, hard cock level with your glassy eyes, wide and cockdrunk staring up into his. without another thought, you sat up straighter on your knees, reaching a hand out to stroke his cock, wet with your cum, your eyes flicking down when you licked your lips before staring back up at him through your eyelashes, parting your glossy lips to take him eagerly into your mouth, any remaining lipstick you might’ve had after kissing him now smearing down his cock.

“shit,” he hissed when you sucked the tip of his cock into your mouth, your tongue swirling slowly with your hand wrapping around the rest of his hard length, slowly taking in more of him until your lips met your hand, whimpering around him at the taste of yourself on his skin. his hand shot to the edge of the sink when his head bumped the back of your throat, gripping the edge warmed by your skin until his knuckles were turning white. his head fell back to stare at the ceiling with bitten lips, sure if he kept looking down at your pretty face he’d cum down your throat far too fast, garnet eyes flicking down to you when you whined around him, eyebrows squeezed together, your tongue gliding over his skin clouding his mind. katsuki swore again under his breath, squeezing the sink impossibly harder, grounding himself when he pulled out of your mouth, the soft pop sound drowning out your sound of disapproval.

“stick your tongue out.” you obeyed his gruff demand, at the stage of your encounter where you were too dumb to argue anymore, your games at the very back of your mind, resigned to listening, obeying. katsuki’s eyes looked darker, menacing to the untrained eye, but you knew the black was swimming with pleasure, your kneeling form reflected in his endless pupils. his eyelashes cast shadows over his face, kissing the tops of his cheeks, the light hitting the tops of your cheekbones when you tilted your head up toward him, your mouth falling open in front of him while he jerked his wrist over his length; only thrice more until his cum was spilling from the tip to your eagerly awaiting tongue. your lips shined under the light, saliva, your own cum, and now his reflecting under the downlight; your eyes shining with something else katsuki could’t place, the sparkle swiftly replaced with your usual fucked out expression, your mouth closing around the tip of his cock, your tongue flicking over the head to savour the last of his salty taste.

about to take him further into your mouth, desperate to make him shake like he always did when you pressed your tongue to the vein running along his cock– your eyes go wide staring up at him, a gentle, irregular knock echoing in the small room, your heartbeat spiking at the dull sound, jumping away from the blond at the noise, like a child caught in the cookie jar. you sobered up immediately at the noise, your mind suddenly clear and your blood cold, your body lost in anxiety instead of the intoxicating air surrounding katsuki.

katsuki returns a fist of his own on the wall, a louder slam of his hand on the wall than the soft rap of knuckles on the door, yanking his pants back up his hips with his other hand, belt between his fingers when you scramble to your feet, wiping your mouth with the back of your hand, “occupied, fuck off.”

whoever interrupted you was sent stumbling down the hallway at his brash response, searching for another bathroom while you both tried to recover from the sudden adrenaline surge, katsuki sliding his belt back into place while you sucked in a deep breath, letting it out in a soft laugh before turning around to face the mirror. the silver surface reflecting back your smeared makeup, looking just as debauched as you felt. with another slow, deep breath, you wiped a thumb under your plump bottom lip to clean any remnants of lipstick, cleaning yourself up as best as you could, trying to ignore katsuki shifting from foot to foot behind you while you tugged your skirt, straightening it against your thighs, trying your best to not to look like you were just fucked stupid in the upstairs bathroom of eijiro’s birthday party. katsuki looked perfectly dishevelled, his hair spiked around his head like usual, his belt done back up loosely around his hips, the accessory serving no real purpose other than to watch the way your mouth watered when he tugged it free from the loops. shaking your head, you dropped the thought of his thick fingers around the leather, instead leaning closer to the mirror when you smacked your lips together, your thoughts of him interrupted by katsuki's gravelly voice, “you should head down first.”

your gaze flicked back over to his, he looked as if nothing had changed between his arrival and now, minus his stained, swollen lips, the same couldn’t be said about you, reaching under the sink to search for your lipstick, hoping the cute tone could save you. rubbing the colour onto your lips with your ring finger, you admired the same colour still on katsuki’s jaw, running your fingers over your hair when you were satisfied, you hummed in agreement, “yeah, i’ll go get the cake ready, you’ll come down in two?”

you did a quick twirl, waiting for his approval on your state, his eyes raking over you to make sure your skirt was over your ass, your shirt back in place, and your face clean of lipstick, spit and cum.

“i look alright?”“wouldn’t fuck you if you didn’t, sweetheart.” you rolled your eyes at his teasing, like a switch for his cockiness was flicked back to on, a proud smirk painted on his face, carmine eyes already feeling like he was trying to see through your clothes to the skin beneath, a signature expression around you. he doesn’t move when you shove his shoulder, your uneven movements barely even disturbing a hair on his head when you stumble past him to exit the cramped bathroom, alcohol and adrenaline swimming in your veins making each step downstairs wobbly.

with a lasting stare down at you, mostly watching the way your hips move from side to side, vermillion eyes locked onto a single wet spot on your skirt, the patch easily explained away if anyone could see straight enough to ask you about it, he could already hear your sweet voice now excusing it, “the sink splashed back at me!”, or “ugh, i knocked my drink over when i was fixing my lipstick.”, sure your friends would believe either excuse without a second thought before realising the truth of the spot. katsuki only turns back around to face the mirror when he can’t see you anymore, roughly rubbing at the blooms of colour on the underside of his jaw. he does little more than smudge the pigment around, the colour now covering his fingers and in patchy lines than in the clean kiss marks they were when you’d first locked the door. satisfied he was as clean as he was going to get it, he turned back around, swinging open the door to follow you out.

hearing your laughter in the living room, katsuki makes his way down, sauntering down the stairs far slower than you had, turning left at the end where you swivelled right, circling around to the kitchen from behind, second nature to him at this point to cover his tracks without even needing to think about it. rounding the corner into the kitchen, katsuki’s eyes found you again, drawn to you, a need panging deep in his stomach watching your skirt swish around your thighs as you twirled around in the kitchen, spinning a final time to walk a cake over to eijiro, his name messily written in red icing underneath too many burning candles. you placed it at the head of the table, gently setting it down in front of him, the birthday boy drunk and oblivious to where you and his best friend had disappeared to for the last twenty minutes, even more oblivious to the evidence still on your skirt and low on your throat when he smiled sweetly up at you.

“happy birthday, baby, make a wish!” you plant a kiss on your boyfriends cheek, transferring your fresh lipstick in a perfect kiss stain, identical to the ones katsuki just finished ruining, eijiro slurring back his affection with a bright, lovestruck smile, “i’ve got everythin’ i need with you, baby.”

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#dividers by me #k-atsukibakugou #tw: alcohol #tw: cheating #bakugou x reader #bakugo x reader #bakugou katsuki x reader #bakugo katsuki x reader #katsuki bakugou x reader #katsuki bakugo x reader #bakugou smut #bakugo smut #「kat <3」#「mercury writes」

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