Fire Breathing Boyfriend Chronicles Masterlist - Tumblr Posts

fire breathing boyfriend chronicles masterlist ! ♡ (ongoing !)

synopsis : some short ‘n sweet little extra’s following the events of fbrc starring our favorite dragon boyfriend bakugou !

extra #1 : marking mishaps

extra #2 : birthday battle

extra #3 : fire vs feline

Heyyy you were asking for recs for the Fire Breathing Roommate right???

Imagine Mitsuki coming to reader and Katsuki’s apartment for his birthday and reader’s like who is THIS goddess at my doorstep like- And Katsuki’s like: Babe- that’s my mother.

I just think it would be SO FUNNY to try to celebrate Katsuki’s birthday the way humans do - because I bet dragons celebrate them very differently. So when reader gives him a big wrapped box and a cake that’s ON FIRE he’s like OH MY GOD THE WORLD IS ENDING

oh my god. you are literally a GENIUS THIS IS SOOOO GOOD AND HONESTLY ADORABLE !!! i had sm fun writing this n i hope you enjoy ! <3 if you guys have any more fbbcXtra requests, feel free to send em to me !! ps. this was way longer than i planned it to be which is funny cus this is supposed to be a mini extra's series, but oh well ! i had fun writing ! and i hope you enjoy reading as well !

♡ extra #2 : birthday battle ♡

in which : you celebrate katsuki’s birthday but you end up getting a surprise.

you wake up like usual in the morning, enjoying your day off as you laze around in bed, shuffling the most you can with the big dragon man’s arms around you, snuggly trapping you in his snake like hold and his tail warm and draped on top of your legs beneath the sheets.

just like usual, except things are a little different today and you crack a smile when you manage to free your head from his iron grip.

today is katsuki’s birthday.

he'd told you about it a few month ago in passing, and ever since you found out you'd planned everything meticulously, hence your day off, so you could make his first birthday here as memorable as possible.

you look up at his relaxed sleeping face with a soft smile, before pressing a small kiss to his chin. then another one to his nose and you giggle quietly when his nose twitches. he grouses quietly in response when you lean up and kiss him again, the corner of his mouth, his cheeks and the ones on his eyelids make him grumble. his arms around your waist squeeze.

"s'too early fer you to be botherin' me, human.." the blonde man slurs. one of his red eyes opens to peek at your smiling face, your smile widening seeing him awake. you press another kiss to the tip of his nose and he grunts in appreciation.

"s'never too early to wish a happy birthday to my dragon man." you croon. katsuki closes his eyes at your affection, but his eyebrows furrow in confusion and his grip on you gets tighter somehow.

"that's what you woke me up for ?"

"of course it is, it's your birthday !" he flops down onto his back on the bed and you break out of his hold to sit up, leaning on your shoulder to watch him. he throws an arm over his eyes but the one closest to you feels around the bed for you.

"babe, it's really not that big of a deal." he utters simply.

he'd told you, and you'd assumed, that dragons celebrate and see birthdays way differently than humans do. it's somewhat of a celebration, but not for very long. dragonshifter where usually raised to be able to hold their own; being taught to be indepented and skilled fighters from a very young age.

"it depends from faction to faction," is what he'd said, "but birth celebrations usually don't last any longer than a few minutes. and we don't do whole birthdays like you do. most ya get is a pat on the back and the most to eat for dinner." he had shrugged. a frown pulled at your face and he smirked at you, ruffling your hair as he told you not to get 'all mopey' for him, and that he didn't mind. but in that moment your mind was set.

you'd get him to experience a human birthday. and it'd be his best one ever.

you pout at him, nudging his arms and he groans despite only barely budging like jello. "it is a big deal ! i wanna be able to celebrate with you." you place your head on his chest. he lifts his arm just a bit to look at you. "birthdays are so much fun, i wanna show you that..i planned everything out too-"

"you planned this out ?" he squints.

"-pleaseee ?" you plead, ignoring his earlier question. the blonde huffs out a large sigh and covers his eyes again.

"fine. what am i g'nna do with you ?" he concedes to himself quietly, but he grabs at your waist and pulls at it, signalling for you to shuffle up towards him. you do, until your face to face with him and he sighs again, eyes softened.

"since it's my birthday, i can do what i want right ?"

"mostly, yeah. no burning anyone though." you poke his nose and giggle when he scoffs a sharp click of his teeth in annoyance.

"whatever, how 'bout you just let me sleep in then ?" he snarks.

"i can do that." you grin back at him and he tries to lean in just enough to bite your nose, but he doesn't lean far enough and simply throws his head back in defeat. you laugh and since it's his birthday, you'll let him have it, so you lean in a bit closer to his face. he takes a modest chomp at your nose and you roll your eyes with a huff at the tired smirk on his face like he'd won some type of prize. and despite his sleepy eyes he still manages to lean in again to rub his nose against yours in lazy greeting. you close your eyes and sigh at his ministrations.

but of course, your katsuki cannot live with himself if his not being a little shit and he yawns in your face. you smack a hand over his mouth and groan in disgust. he just laughs into your hand, then he bites at your palm.

"can you be not-insufferable for at least five minutes after you wake up ?" you whine, childishly wiping your hand onto his tank top.

"no can do baby, s'my birthday." the shit eating grin on his face almost makes you regret introducing him to the concept of human birthdays as a whole. almost though, because unfortunately this absolute demon man has your heart fitted nicely into the palm of his hand.

"you are truly something else." you grumble. katsuki snickers at your annoyance. "mhmm. hurry up an' gimme a kiss." he says but doesn't even give you a chance to respond when he grabs the back of your head and brings you to his lips, you don't put up much resistance either. he makes a forced face when you pull away.

"your breath smells like shit."

"you should absolutely not be talking."

the day has been going extremely well. you'd done what katsuki wanted today. which consisted of sleeping in. having his favorite for breakfast and some birthday pancakes, courtesy of you, which he gobbled up in the blink of an eye. watching his favorite movie to make fun of at the moment and taking a nap again. before going out for a birthday lunch and a (extremely tiring) hike all before dinner. the dinner and hike where set up by you. you could tell he enjoyed the activities even if he hadn't knocked his forehead to yours with a kiss to your forehead and a big blush on his face as thanks, but it was a very nice plus.

katsuki's lazing around on the couch asking you which show you want to watch while you're busying yourself with his secret chocolate fudge birthday cake. you plan to give it to him later tonight. you hide it behind a big tupperware box after checking to see if it was still intact. "just pick whatever !" you call loud enough for him to hear. carefully placing the bakery box back behind all of the other foods.

"i can't pick whatever, 'ts why i'm asking you !" you roll your eyes at his sass, a smile pulls at your face at the idea of a little revenge.

"it's your birthday, so figure something out !" you sing, he doesn't respond but growls loud enough for you to faintly hear it, and soon enough you hear a bunch of netflix prequels playing in quick succesion. you can't help but giggle.

then you hear the doorbell ring. and then again, longer and louder. it's way louder than you ever thought was possible and you wondered if it was maybe time to change some type of batteries or maybe have your boyfriend fix it for you.

"ugh, i'll get it !" you groan. you mutter a bitter 'yeah, yeah, i'm coming.' at the door. sachi definitely doesn't ring your doorbell like..that. and the only friend of katsuki's who'd probably ring the doorbell like this is kaminari, since for some reason he seems to be fixated on loud noises and specifically the noises your doorbell makes.

then you swing your door open and your met with katsuki. except a little bit taller and also a woman.

you have to blink to realise that that's not your katsuki at the door because he's already inside scrolling through shows and movies. rather, it's someone who looks extremely similar to him. the same blonde hair and same piercing red eyes and that same hardened stare. and of course, those fiery red horns and matching tail, altough hers was a little slimmer. she's extremely gorgeous.

you blink and gasp, words won't come out and the woman simply stares like she's analyzing you. you think you see the tiniest of smiles break into her face but you turn your head too quickly to tell.

"katsukiiiii !" you call "there's a very gorgeous dragon lady here who looks exactly like you ! "

in an instant it's like he teleported over to you, already in a fighting stance until he realizes who's at the door and you presume she's here for, and knows, him. his shoulders slum forward and an almost guilty expression crosses his face when he sees your widely blown eyes.

"do you know her???" you whisper yell. you forget the woman is right in front of you and can most definetly hear you, not to mention her superior hearing. katsuki exhales.

"babe.." katsuki winces apologetically "that's..my mom."

huh????

katsuki's mom hasn't stopped touching you since she got here 10 minutes ago.

from what you'd heard from your boyfriend his mother was a ruthless, aggressive stubborn and strict 'old bat' (you quickly scolded him about the way he adressed his mother) but from what you're experiencing now, this was anything but the case, though katsuki had the habit of being quite the unreliable narrator.

because ever since you'd brought her into your apartment, she has not gotten her hands off of you. to the great displeasure of your boyfriend, who's sitting on the kitchen chair glaring at the tv with his head resting against his palm and tapping his foot. when you'd went to bow to greet her she quickly scooped you up in her arms, shaking you around in her arms like a ragdoll with such force katsuki growled at her to let you go. you can't tell if being so affectionate is truly a dragon thing or if it runs in the family.

"oh aren't you just such a sweetheart !" she squeals, grabbing onto your shoulder to bring you closer to her and you squeak at the force. her slit eyes scanning over every corner of your face and she hums.

"mhmm, very good.." she pinches your cheeks between her pointer and thumb and tilts your face around, continuing to exam you. "oh, and so soft an' squishy too, like a little dumpling !" she coo's, smiling softly at you. she's a little rough, but she means well, you think. at least that's what you try to think when she suddenly grabs at your jaw to pry your mouth open. you let out a surprised gutteral noise but mitsuki doesn't seem the least bit fazed, she keeps humming to herself like a doctor. it's stupid but you're a little embarrassed because you'd recently eaten and you don't think your breath smells the best, she doesn't seem to mind that either.

"hmm..teeth aren't very sharp though.." she pouts, before a smile shines back onto her face as if to reassure you "that's okay though, sweetheart ! we can probably do something about that-"

suddenly a hand grabs at the woman's wrist and pulls her away from you and it's none other than katsuki. you smack a few times to readjust the slight pain in your jaw and you look up to see the two shifters in a heated stare down. it kinda looks ike a mirror trick because they're just so similar, it almost makes your head spin.

"quit touchin' on her old hag, at the rate you're going you'll break her fuckin' jaw." katsuki spits, dropping his mom's wrists with furrowed brows. his expression mirrors her own as she stands up to glare down at him fiercely. her eyes locking on yours make you flinch but a second passes and her face morphs, she's smiling. mitsuki grabs the top of her son's head and playfully (you hope..) smacks it a couple times, he snarls and growls but she ignores him in favor of giggling at you.

"he can be quite the brat sometimes, am i right ?!" her forced chuckles quickly turn into her pinching her son's cheeks with gritted teeth and a tick mark on her forehead. katsuki's complaint and what looks like to be an almost scorching grip on her wrist is ignored, she ignores him like he's a mere insect on her shoulder and keeps talking to you like he isn't there. "i hope he doesn't cause you too much trouble ? i know my son is a lot to handle." she asks, her sweet tone of voice returns and you sit up straighter. despite the..interesting first impression you still want your boyfriend's mother to like you.

"oh no, not at all ! katsuki's a sweetie." you smile and she coo's at you like a baby. she laughs like you'd just told her a joke and she pinches at her son's face to get his attention "heh. a real sweetie, eh ?" she mocks, raising a brow. katsuki finally manages to rip her hand off his face and he all but growls at her.

"shut up ! what're you even here for ?!" katsuki's complaint is grumbled as he shoves his hands into the pockets of his sweatpants. the only thing differentiating the two of them is that katsuki is currently hiding his tail, it gets in the way around your small apartment and he says it's annoying to sit with it on the couch and he hates tearing holes in his pants, so he mostly only has his horns out. horns identical to his mothers that point back when she raises her nose up at him with a dissapointed huff.

"oh please, it feels like everyone's been able to see your human den besides me !" she exclaims, resting her hands on her waist. "is it so bad that i wanted to come visit my son, and on his birthday of all days !" she huffs. katsuki scrunches his nose up in response. mitsuki continues, she fixes her warm gaze onto you and you blink up at her in surprise. she immediatly chippers up and swoops down to pick you up and hug you.

"and when was it you where planning on introducing me to your mate, and one who's such a cutie at that !" she rubs her cheeks against yours and you're glad she isn't lifting you off the ground but the way she's leaning over you makes your back hurt and has you gripping her arms. a bad decision since she thinks you're returning her affection and squeezes you harder. she glares at her son "as your mother-"

"urrghh-" he groans

"-and the one who practically set you up, i think you should've invited me sooner." she chides, patting at your head. katsuki's almost pout and slouched back reminds you of a little kid getting scolded. you supress a snort when you make eye contact and his frown deepens when you throw him a questioning lifted brow, he just shrugs and looks away again.

"pops hasn't been here yet either." he shrugs off, adjusting to cross his arms.

"you know how nervous your father gets katsuki." mitsuki scoffs, rolling her eyes at her son's comment. said son mirrors her expression, they seriously make your head spin.

"whatever. you came, you saw-" katsuki starts, heading over to rip you away from his mom's grip with minor resistance. "ya put yer paws all over my mate," he growls bitterly, giving you a firm squeeze before letting you go but never too far away from you. “so you can go now.” he says through gritted teeth and squinting eyes.

mitsuki scoffs, dramatically placing her hand onto her chest and even leans back a bit "how rude !" her wide eyes fix themselves to you and you instinctively nod, earning you a growl from the man next to you.

"while it is true i came here to see where you're living, i did come all the way here to wish my son, a happy birthday." she accentuates, putting extra intonation on specific words and every time she does katsuki shrinks into himself a bit. though after a moment he raises a brow

"there's no way you came all the way here just to wish me happy birthday." he deadpanned "what do you want ?" suddenly a smirk crosses the older woman's face and you see how on guard katsuki gets. you start getting a little nervous when stances start getting more..combative.

"do you think that ill of me, katsuki ? i'm hurt you'd thinkso little of me.. i even brought a gift too.." you start to realise how her horns starts to glow as she also backs up a bit, seeming ready to pounce. you hear katsuki scoff out a laugh and your head whips around to stare at the two. two big wings suddenly sprawl from the woman's back, your dragon man grins, doing the same and you realize-

where they planning to fight in your apartment ????

"woah, woah, woah, woah, WOAH." you get in between the both, frantically waving your arms around (you realize this is the second time you've stood in between two dragons now). immediately there's a shift. the tension remains, both blondes staying on guard but gazes fixed onto you.

"what're you guys planning to do ?!" you lock eyes with the older bakugou and shrink back "..if i may ask.." you squeak out. she giggles at your cuteness.

"oh, don't worry darling, this is totally normal ! i know you humans aren't familiar with birthday battles, but they're harmless, really !" she chirps.

"BIRTHDAY BATTLES???" you shriek, whipping your head around to see katsuki unfazed. he simply shrugs at you and your eye twitches at his nonchalance.

"it's fine. m'stronger than her anyways." he waves off, his mother barks out a laugh.

"hah ! is that the hill you wanna die on ?!" she challenges, your boyfriend has the nerve to try to respond until you cut him off before he can.

"katsuki. you are not battling in the house." you squeak, voice pitched high in distress. katsuki, the dragon man who was just about to fight his mother, apparently to the death, has the gall to pout at you.

"it'll be fine, i'll just fix it later." he grumbles.

"and where am i supposed to be while you guys fight to the death ?!" you say, your arms are still spread out like this could somehow stop the two beasts from duking it out should they decide to right now. his shoulders drop, his horns dimming. he pouts harder and you can already see what's coming.

"katsuki-"

"'ts my birthday."

"katsuki. don't-"

"you said i could do what i want."

"but i didn't think you'd do this ??" you try helplessly, giving him your best puppy dog eyes as a last ditch effort. incredibly stubborn as he is,katsuki doesn't budge. you pause to think.

it is his birthday.

and you did want to make his birthday as enjoyable as possible..and if it meant fighting with his mom would accomplish that, then so be it.

you sigh, loudly, and you want to hate the pleased little smirk on your rabid boyfriend's face so bad. but unfortunately, you can't. and that makes you sigh again.

"fine," you look up at him seriously "but not here. i'm sure you can find a field so you can..duke it out. don't get too injured." your boyfriend scoffs boastfully at your words, he pulls you in and wraps a strong arm around your waist, pulling you in. he seems to forget his mom's presence, who's now staring at you both with a smirk. you grip at his shoulders in embarrassment.

"nah, i told you i'm stronger." he says simply, kissing your cheek hard and sloppily "gonna come cheer me on ?" he offers, teasing smile on display.

"i fear i'd die of a heart attack, so i'm gonna sit this one out." you sweatdrop, patting his chest. he grunts in dissaproval but quickly shrugs it off, pressing a kiss to your head before fixing his fiery gaze onto his mother. "well, you gonna chicken out ?" he jeers.

"don't you underestimate your mother." she flashes you a loving grin, walking over to you and pressing her forehead to yours quickly and you feel your whole body warm up happily "it was wonderful meeting you dear. i hope you'll let me visit again soon."

"hell no."

"of course !" you and katsuki respond in unison. as expected mitsuki ignores her son's words and grins at you again. before she leaves she wraps you up in one of her tight hugs, thanks you for taking care of her son, then follows katsuki to the front door. the blond quickly throwing out a "i'll be back later !" loud enough for you to hear and you wave them off before you hear the door click shut. when they leave you heave a long sigh.

that was definitely one way to meet his mother, but you're at least happy it went well.

you truly hope this birthday battle really as harmless as mitsuki claimed it was, though..

after a few hours katsuki returns. not heavily injured, but extremely dirty and with tears in his clothes.

"katsuki !" you whine, walking over and inspecting his upper body and sleepy albeit satisfied face. you grab his face between your palms to get him to look at you. he closes his eyes, "i told you not to get injured !"

he simply huffs and nuzzles into your palm "m'not injured though. can see it can't you ?" he points towards his very exposed chest and his eyes shine mischievously at your flustered splutters. before you can get another complaint in he shoves his head into your shoulder and you squeal, pushing him away.

"no-katsuki, no." he growls lowly at your denial "you're dirty. go shower."

"s'my birthday-"

"you're stinky, birthday or not. you can't keep using that as an excuse you know." you snort, trying your best to stay firm, you quickly check the clock "your birthday's almost over by now." you push at his shoulders so he wouldn't get the opportunity to get comfy and try to coax you into cuddling with him.

he grumbles something unintelligible before lifting his head up to simply stare at you. "did you win ?" you ask and he huffs but he smirks

"nah, almost got her though."

"well, there's always next year."

he squints, scrunching his nose up at your words "she's not coming here next year." you squeeze his scrunched up nose and he pretends to bite at you. "stop being so mean to your mom."

"m'gonna go shower." he ignores you and you roll your eyes as you watch his tail trail behind him to your bedroom to get a change of clothes before making his way to the bathroom.

as soon as the door clicks shut you jump into motion. you bound over to the kitchen, reaching the fridge you slowly pull the chocolate fudge cake out. placing the candles on it carefully, sticking out your tongue for utmost focus. you're happy with the positioning, leaning back to admire your work. afterwards you quickly search for a lighter, and place it next to the cake, you smile when you hear the faucet turn off, just in time.

when katsuki comes out, hair still wet and puffy wearing a simple grey lounge sweater and sweatpants, you're standing in front of him. he raises a brow at your bright smile, he tilts his head back questioningly "what's up ?" he asks, suspecting some type of trick. but he was in for a surprise.

you lean forwards and grab both his hands to drag him over to the couch. "come on." you urge, pulling him along but keeping your gaze fixed on him. a huff of laughter through his nose, he barely supresses a curious smile at your giggles "what ?" he asks again when your closer to the couch.

"just siddown." you push him down rather harshly and he grunts in surprise. "i'll be right back !" before he can say anything you sprint to the kitchen and bring back his cake. "tadaaa !" you exclaim. his eyes widen.

"what's the cake for ?" he asks gruffly and you shake your head. "s'for you, silly !" you giggle. his confused stare has you explain further "for your birthday, it's what we do here." his eyes fly from you, to the cake, then back to you and you can't help but giggle.

"it's dark chocolate since i know you don't like overly sweet stuff, i figured this is sort of a rite of passage for human birthdays" you laugh, but you're interrupted when your body releases a loud "oof !" when your boyfriend's large body topples over yours. you wrap your arms around his neck almost instinctively with a loud squeak.

he doesn't say anything even as you call out to him, but you think you know what he's trying to say when he nuzzles against your neck and squeezes you tight, so tight you grunt a bit and pat at his back and he plops a wet kiss on your shoulder as apology. you smile, patting his back again, because you know what he's trying to say.

"alright big guy." you start rubbing up and down his back and giggling at his annoyed grumbles. "we still have to eat the cake right ?" you nudge your shoulder a bit to encourage him and he gets off of you after a second. he looks away from you with pink cheeks and scratching at his nape. l-let's eat it then." he mumbles. you can't help the smile that grows on your face, when you remember.

"i'll go get a knife-"

"wait, wait, wait !" you lift your arms into his face and his eyes widen "i'll go get it !" you're already getting up before he can protest fully.

"it's fine, i can do it-"

"no, no ! you. sit." you wave your finger at him and he crosses his arms "m'not a dog." he mutters, but he does as you say, begrudingly.

"c'mooon, it's your birthday right ?" you tease, laughing to yourself as you head over to the kitchen again hearing him groan a 'oh, fuck off'.

you come back with a knife, two little plates, two spoons and lighter. you place them on the little table in front of you and katsuki scans your movements carefully as you grab the lighter first. you don't think he knows what they are and thinking on it now, you probably should've at least shown him how they work. because his eyes practically bulge out of their sockets when you flick it on and the small flame comes out.

"the hell are you doin' ?!!" he shouts, quickly reaching over to grab your lighter away. you manage to carefully swerve out of his way, eyes also wide as saucers.

"what are you doing ??!" you excaim back

"why are you trynna set shit on fire ??!"

"i'm not--i'm just trying to light the candles-it's normal !!" you heave. you both stare at each other chest rapidly expanding.

"oh." is all he says. you let out a loud sigh.

"yeah." you breathe. his shoulder slump and he places his elbows onto his knees, opening his hand up signalling you to give the device to him so he could analyze it.

"you flick it on like this, see ?" you teach, showcasing it to him and handing it over so he can test it out himself. he spins it around in his hands, then flicks it on. his eyes scan the flame before he squints at it.

"f'you wanted a flame, you could've just asked me to do it instead of using this wimpy shit." your mouth almost drops in shock and you chuckle, of course he'd get jealous of the lighter. you reach for the lighter and he gives it back, not before fixing it with a scowl. you calmly now, light the candles slowly while he stares.

"i just need a little light, not a flame thrower." you jest.

"m'better than that too."

"oh, i'm sure of it." you decide to humor him, it was his birthday after all, though you are pretty positive he would be better than a flame thrower and a mini lighter.

you beckon him over and he leans towards you and the cake "now you need to blow the candles out, and make a wish !" his eyebrows furrows.

"it's just tradition." you explain, batting your lashes up at him. he drops his head with a sigh and smirks to himself before leaning in, closing his eyes for a few seconds, then he leans back as his chest expands, your eyes widen again.

"katsuki, just blow on it !"

he stops, annoyed " that's what i was gonna do, if you'd let me get it out."

"i said blow, not extinguish it." you quip. he growls then leans in, closing his eyes again to reiterate his wish (despite making fun of it at first he seemed to be taking his wish pretty serious) then softly blows the candles out, huffing out a laugh when you cheer and clap for him.

"man, i wish i'd bought party poppers.." you whine "guess that's for next year." you shrug off. unbeknownst to you, katsuki feels stupid, but he also feels his heart warm at how casual you uttered those words. next year for his next birthday here with you. he nods quietly.

you cut up a slice and place it on one of the plates, you grab a spoon and scoop up a small bite. then, you jokingly raise it up to your boyfriend who's cheeks burn bright red when you go "alright, say ahh !"

he squints at you "..seriously ?" you chortle.

"it's your birth-daaay.." you sing, inching the spoon closer to his face. he rolls his eyes, then grumbles to himself. he leans in, sharp teeth peeking as he opens his mouth with a half hearted "aah.." and taking a bite. you giggle seeing him look up at the ceiling to taste the sweet treat better, his eyes postively light up and he groans in delight when the taste finally hits. you sit on the couch, and try some of the cake yourself. it's heavenly and you hum in content "s'it good ?" you snicker with your mouth full.

"s'fuckin' good." he confirms, you snort. he let's his head rolls towards you, eyes still closed "gimme more." he demands, you roll your eyes but it's his birthday so you'll comply, feeding him another spoonful of cake.

you sit around like this the whole evening, eating cake and making jokes. and of course, finishing the day by watching a movie. you pull your hands from your boyfriends head in your lap to grab your phone, he grumbles but you ignore it in favor of checking the time. it's well over midnight now and katsuki's birthday is unfortunately over. you're happy, but it has you smiling sadly.

"what's up ?" bakugou raises a brow. his hand grabs yours.

"you're officially no longer the birthday boy.." you whisper, leaning down to place a kiss against his nose. he scrunches it and puckers his lips up, grouchy face and furrowed brows on display to get you to kiss his lips instead. you roll your eyes and even if it isn't his birthday anymore, you comply.

"was good while it lasted." he shrugs off, his eyes dart across the room "i--today was..fun." he admits bashfully, you smile sweetly. he looks up at you and closes his eyes with a huff, pulling your hand into his hair.

"'cept when that old bat barged in here."

"quit talking about your mother that way." you tug at his strands and he bites at you.

a beat passes and bakugou's pulling at your shirt roughly, and you squeak when he presses his lips to yours, pillowy lips biting at your bottom one and making you gasp which gives him the opportunity to slip his tongue into your mouth, grabbing the back of your head to kiss you deeper.

when you pull away, heaving and lips shining with spit and his hair tousled from your earlier ministrations he smiles softly. it's faint but his eyes shine as hard as his cheeks when he speaks "thanks..for today an' all." he plays with your fingers to hide his nervousness to meet your soft eyes "dunno why you care s'much about this birthday stuff," you try to speak but he bites at your finger to silence "but..m'glad you do, or whatever. had a good day. better be ready to spend it with me again next year." he challenges, smirking up at you.

you smile back brightly, because you'll be ready to spend it with him next year and the year after and the years after that. you'd make sure to be with katsuki for every human birthday to come.

(little did you know, it was katsuki's wish too.)

this took forever but this part is done !! i had a lot of fun writing this one and even tho im a lot of days late (lol) heres another katsuki birthday piece ! i hope yall enjoy reading !! <3 if yall wanna keep being tagged jus lemme know but im only doing this bc some ppl wanted to be tagged for the first part !

*if your name is pink i unfortunately couldn’t tag you :(( @doofusarena @queenpiranhadon @rosemarygalaxy @slashersl0t @andysdrafts @berryvioo @erenstitanweave @chuugarettes @stardyedkatsuki @atinytiredpanromantic @zaiban2989 @annepamgkrth @mxpl3s-castle @jastoo46 @nemisimp @niktwazny303 @cecee77 @m-inluv

♡ extra #3 : fire vs feline ♡

in which : your boyfriend battles for your affection with an unknown rival

a/n : and its back after decades !!! tysm to @sorrowfulrosebud for this suggestion and im sooo sorry it took me so long to get to this next part :(( still, i like this a lot and i hope yall did too ! aaaghhh dragon katsu i missed you tehehe MUAH MAUH

fluff n cats !!, cooking but nothing bad but like you slap katsukis ass once lolololol

it's 8:45 pm, and you're still not back from work.

you usually tell katsuki when you're running late before hand, or you call him from work to warn him. it makes him grumpy, sure. but he's at least glad you let him know.

but tonight you didn't and it makes him even grumpier.

at this point he's thinking about heading out and finding you himself. he picks you up from work sometimes, but you don't like it because apparently he 'mean mugs your coworkers.' your words not his. he looks out of the window, the rain is beating down against them. it's pouring outside, he frowns.

maybe, you're running a little late at work and you just forgot to warn him. sure, it happens. and you are an idiot (but you're his idiot). but..there's a small, little doubt buzzing around in his head like a fly. and it annoys him.

what if something happened to you ? just the thought makes his whole body buzz in anger.

fuck it. he practically jumps up from the couch and prepares to put his shoes on when he hears knocking on the door. katsuki's ears perk up and he's zooming to the door, faintly catching your scent. he hears the jingling of what he knows are your keys but he's already faster than you. you're absolutely soaked, holding onto a grocery bag and cradling your work blazer to your chest. katsuki's just about to scold you, when he sees something..furry in your blazer ?

you don't respond when he asks you anything and push past him. he stays frozen by your front entrance while you run around your apartment until you stay in your room. and he swears he could hear you talking. he's jumps slightly when he hears you call for him.

immediately he barges into your bedroom, and despite being soaked down to the bone your all smiles. beckoning him over to you, his eyebrows furrow.

"what the fuck are-"

"shh, shh!!" you hurriedly press your finger over your lips, beckoning him over to the blanket in front of you. he holds back what he wants to say and the closer he gets the more the furry little mass comes into view.

"look at him, isn't he cute ?!" you whisper yell, cooing softly when the little animal meows at you.

a cat.

he's not completely unfamiliar with them. he sees them sometimes while he's out on runs or doing the groceries. you always squeal loudly whenever you see them and rush to pet them. the one's he sees are usually fatter, bigger than this scrawny little thing.

"where'd you find this thing ?" he squats next to you, scowling as the little furry beast mewls, eyes squinted closed. you send him a look.

"i found him..in an alley all alone in the rain, i couldn't just leave him there !" you pout at him, katsuki squints at you despite his heart kicking in his chest at your cute expression "doesn't he look cute ?"

he looks back towards the little creature. it's nuzzling it's head against your hand you've got pressed to support its blanket dome. "it's small." he settles. you roll your eyes "he's a baby." you shoot back.

"is the shit you dumped in the living room for him ?" you look back at him like you'd been caught, eyes immediately darting back to the kitten. "it's just until i can find him a new home, he's in rough shape.." your eyes droop. one thing katsuki will never admit is that he truly admires your empathy, you seem so saddened about the frankly poor state of the little creature. you'll get sick if you stay in your wet clothes any longer yet all you focus on is chatting with the little kitten, baby talking back at it.

it does look pitiful, maybe because of it's fur sticking up every way because you had just dried it off, or maybe its still shivering little form curling up in the blankets. katsuki doesn't care about anything or anyone in the human realm except for you, but his heart squeezes just a bit at the tiny sounds the kitten releases. he doesn't think he could get used to how small every creature is here. even what you qualify as a big dog here doesn't even come close to what he'd classify as one.

tentatively, he reaches one big finger towards the kitten. it looks like it could fit in his whole palm. " fuck, it really is small."

his words earn him a giggle, your eyes soften as you see them both interacting "what, you finally realised ?" he scoffs, his eyes not leaving the cat as it curls its head towards his finger, obviously attracted to his warmth. you can't blame him. "aw, he likes you !" you squeal. katsuki only huffs, his nose scrunches up at your words. " it wouldn't survive a day back where i'm from, too small and weak."

"don't be mean," you reach to pinch his cheek, and he ducks away from you with a growl. he slowly pulls his finger away from the cat to knock his forehead against yours, you grumble and he smirks, of course. ever the little shit.

"go shower, yer fuckin' soaked. gonna catch a cold." he grabs you by your shoulders to walk you out of the room despite your protests of wanting to watch over the kitten. "i got it." is all he says, pushing you out the door. you sigh, shaking your head, a smile grows on your face. you forgot to get a change of clothes, but you know katsuki will get some for you later, and you hurriedly walk over to the shower. as much as you want to spend time with a cute kitty and your dragon man you're more than happy to get out of these cold clothes.

when you're done showering, you've changed into the fresh clothes that katsuki had indeed dropped in while you were showering (not before scolding your dumbass for forgetting, of course). you're met with the sweetest sight. your boyfriend holding the little bundle of blankets in his arms while he's watching tv. you try your best to squeal quietly so as not the startle the kitten. you snatch your phone from your bedroom to take a picture, your boyfriend growls lowly at you, it seems like he doesn't want to startle the kitten either. you decide to use this to your advantage.

"shh, shh don't scare him !" you smirk. the shifter glowers at you.

"cut that shit out." he grits out.

"what happened while i was gone, katsu ?" you coo. you don't know if it's the camera on him, the petname or your tone of voice that has pink blend onto his ears, but it makes the sight that much cuter. you can't help but giggle.

"fuckin' thing didn't want me to leave, kept whining." he explains.

"i mean, you are warm." you shrug, he is not happy with your answer. clearly. because he growls again. "what am i, a damn heater ?!" you both hold your breaths when the tiny ball of fur yawns, but doesn't wake up and readjusts in katsuki's lap. you let out a sigh of relief while the blonde huffs, relaxing just a bit, he scoffs to himself.

"you gonna keep standing there or are you gonna bring your ass over here ?"

"i'm thinkin' about just staying here, i'm really liking this view." you giggle at his eye roll, tucking your phone into the pocket of your sweatpants and slowly making your way onto the couch. you manage to cuddle up next to katsuki without disrupting the cat and sigh happily when he bumps his nose into your hair. a deep rumble comes from his chest that resembles a cat's purr and it makes you giggle. you decide not to comment on it lest katsuki feels insulted for being compared to something so small.

the groceries you'd made last minute for the cat have been tucked away on the kitchen counter and you smile, kissing your dragon man's chin. who chuffs happily despite not looking away from the tv. you close your eyes, happy that your boyfriend was okay with the kitten staying for a while.

you've fallen asleep after a while, he knew it was coming, but katsuki knows it'll be a bit annoying to have to tuck you into bed while also not waking up the tiny little creature. he sighs, running his nose to your eyebrows. you and your stupid empathy..

but in the time you took to shower. the clingy little feline managed to make katsuki's heart squeeze just a bit, it shouldn't flatter itself though. he can it admit that like this, fully dry, quiet and asleep. it doesn't look all bad. dare he say kind of cute.

the worry from earlier finally catches up to him and he knows he should just bring you all to bed, but he can't be bothered to wake you up right now. besides, he might wake both you and the cat up. he'll only close his eyes for a bit and wake up a bit later.

before he falls asleep, katsuki can admit that that's major bullshit.

nevermind. forget anything positive he said before. katsuki hates this mangy fucking cat.

it's only been two days. two. days. and the pest (or tofu, miso, mochi and every other food related name your dumbass uses as a place holder name) thinks it's just the king of the house now. the bastard thinks he's earned the right to prance around like he owns the place just because his face isn't unbearable to look at, fuckin' bastard.

he's hyper, he whines when you don't let him sleep in the bed with you, so katsuki's earned himself a scratch on his cheek from the mangy demon deciding to attack his face first thing in the morning. he's bossy and greedy, and so loud. and those god forsaken "zoomies" drive him up a wall. especially when he wants katsuki's food knowing damn well he's got a bowl of perfectly good cat suited food waiting for him. you claim he's just a chattier cat and it's so annoying. the cat loves to act like it wasn't sent from hell just to torture katsuki when you're around. curling up to you and meowing at you, and you meow right back like you're having a riveting conversation ( if he didn't hate the damn thing so much he'd think it was cute..and he still kinda does unfortunately..)

what probably pisses him off the most though is that you spoil the little furball to the ends of the earth.

and yeah, sure, he's a baby. he needs to be nurtured and taken care of. whatever, big. fucking. deal. katsuki's been a baby before and he's sure he wasn't this insufferable..maybe a bit--but not that much !

you squeal oh so loud when the vile creature does literally anything, swooning when he purrs as you scratch behind his ears. when he does a big stretch, when he yawns, when he eats, when he breathes. you're on him, and it pisses him the fuck off.

and, no. it's not because you spend way more time with the cat you've known for two days than your own mate. it's definitely not because you cuddle and fall asleep with the cat, it's not even because you coo at tofu/miso/mochi/the fucking demon like he's just the most precious thing the world. not because you giggle and smile at him, and he's not mad because you're only supposed to with him. at all.

...okay so maybe he was a little mad about it, so what ?! dragons are naturally possessive creatures. and no matter what it is, katsuki doesn't like it when it takes your attention from him for too long. you wouldn't get it, fuck you.

so here he is, shivering to death while you're cuddled up with your cat from hell. he hears the stray purr loudly, like he's taunting him. he scowls.

katsuki's actively sitting as far away from you on the couch as possible. which you find weird because you'd brought out you're cuddle blanket, although with katsuki around every blanket is the cuddle blanket.

his arms are crossed and he scowls at the movie he'd picked out. immediately you could tell something was wrong, your katsuki senses tingle. you stop playing around with tofu as you call out for him. katsuki offers you a side glance and a side glare at the kitty and a grunt in response.

you'd sensed this animosity between him and miso since the day he'd woken up with a loud scream because the stray had decided to pounce on him. a pretty rude awakening you can admit, and katsuki had been grumpy the entire morning until you'd given him a get better kiss and a little band aid. ever since then you'd catch him and mochi having staring matches and you could feel the tension in the air, like static crackling.

and you could in fact feel the burning against your back of what he probably thought was his subtle glances at you and the kitty when you'd play or so much as interacted with it. but c'mon, who could blame you ?! he was the cutest cat ever !

but you should've known with your boyfriends clingy streak, and his dramatic ways, this wasn't bound to end well.

"come sit next to me, baby," you coo, pouting your lips. you know the offer is tempting to him, but your boyfriend is nothing if not dramatic, he scoffs at you.

"'m not sitting nowhere near that fucking demon." he sasses, you snort. "mochi is harmless, you just need to learn to get along."

he turns to you, insulted "i was fine with the little beast until he decided to wage war on me !"

"i'm sure he didn't mean to scratch you, he was just excited !"

"he fucking drew blood ?! he wants me dead !" he scoffs, before adding a challenging "good luck with that." scoffing as the kitty stays curled up next to you. you can't help but snort.

"he's a baby, suki."

"so ? you're just saying that 'cus he's attached to your hip. the damn yowler's even tryin' ta steal my mate from me." you laugh then, startling tofu and making katsuki roll his eyes. you slowly unwrap yourself from the blanket, wrapping it around tofu who blinks at you. you crawl over to your boyfriend, placing your head in his lap. you smile up at him as he scowls down at you, huffing hard.

you put your palms on his warm cheeks, his eyebrows furrow harder as you coo at him "my dragon man's feeling a little left out isn't he ?feeling a little touch starved ?" you tease, rubbing at his cheeks.

katsuki growls at you, his eyes droop just a bit at your touch. "you're fuckin' crazy. i hate you." you laugh hard, hands dropping from his face. he leans down to huff in your face, chest rumbling as you blow in his face as payback. he presses his palm to your face complaining that 'your breath stinks', having trouble hiding his smirk.

you lean up just enough to press your nose to his like he always does for you, his eyes widen "dummy.." he mutters, pink taking over his ears. he presses his nose to yours affectionately and kisses your lips roughly.

" i'm your mate, yeah ? you don't have to worry about anything. miso just needs to be taken care of." you reassure. katsuki squints at you, looking away again with a pout. "i know that. and i wasn't worried."

"yeah ?"

"yeah." he huffs, knocking his forehead to yours "stop calling him that name, it's stupid."

you scoff, revolted "it's adorable !"

"it's stupid." he reiterates "you can't even settle on one."

" shush," you take the opportunity to scratch at the spot behind his horn. watching as he melts, chuffing happily into your neck. you smile to yourself, not worried your ass.

you feel his strong arms wrap around you as best he can in your position, trying to keep you away from a certain kitty. unfortunately, he seems to forget how little the feline is as it manages to squeeze itself right in his arms. katsuki's head flies up and you jump.

"who the fuck do you think you are, hah ?! think you can just get comfy on me after drawing first blood ?!" miso is unbothered, lifting his head up to yawn at your boyfriend causing you to snort. your dragon man doesn't find it the least bit funny though "oooh, you're just soo comfy, huh ?" he turns to you "see ? i swear he wants to fuckin' fight me."

you laugh again, placing your hand against his back and rubbing slowly, reaching for the cat with your other hand but katsuki intercepts it, showing it off to him and taunting him about how you were his mate like a child. you shake your head affectionately, having two boys fight over your affection like this was not something you expected to happen in your lifetime.

you wake up the next morning a little later than usual, free of work, and your welcomed with a lovely surprise. your dragon boyfriend cooking you breakfast, covered only by his kiss the cook apron and with a little fur ball perched on his shoulder. which could be a little dangerous since they're both perched right above the stove, but they both look pretty comfy.

"you gotta wait thirty more seconds before you flip the pancakes. if you flip 'em even a second before or after they'll be fucked, got it ?" the kitten meows in response and katsuki grunts, turning back to his food. you pad over to the kitchen, phone in hand, katsuki glares at the sound of a camera shutter, not being able to turn fully with miso on his shoulder. "what the fuck are you doing ?"

"wondering when you guys got so chummy !" you giggle, getting closer knowing he can't do anything to shoo you away. katsuki grumbles but focuses back on his food to flip his waffles. "what happened ?"

"we talked it out, bastard isn't as bad as i thought, i guess."

you tuck your phone away to press a kiss to his cheek and say hi to miso. you don't know what he means by talked it out, but you're glad they ended up settling their..differences.

"fenrir said he doesn't like the names you picked out for him either." your boyfriend adds after a pause, he smirks when you freeze.

you're flabbergasted when you register his words, "he didn't tell you that, you liar ! and who the hell is fenrir ?!" katsuki shrugs at the shoulder the cat is perched on, and miso/mochi/ tofu/ fenrir ?? meows like you'd called him for attendance. he does seem to like it, katsuki smirks even wider.

"you named him fenrir ?!"

"he likes it." is all katsuki offers you, obviously proud. you shake your head and you can't help but laugh "you're unbelievable." you giggle, and katsuki rolls his eyes with a smirk. telling you to go brush your teeth because you're not getting anything he made with nasty breath. you smack his ass as revenge and run off. before he can get his hands on you, not that he could. you hear him complaining to fenrir about how annoying you are. you hear a meow and a chuckle.

your new cat and your dragon boyfriend are talking shit about you, but at least they're getting along.

THEHEHEHE THE RETURN !!!! iLOOVEED this i rlly hope yall enjoyed, should we keep fenrir as a pet throughout the series ? supposedly reader n katsu r gonna find a new place for him, but he's kinda growing on me ! lmk !!

taglist *if your name is pink i unfortunately couldn’t tag you :(( @doofusarena @queenpiranhadon @rosemarygalaxy @slashersl0t @andysdrafts @berryvioo @erenstitanweave @chuugarettes @stardyedkatsuki @atinytiredpanromantic @zaiban2989 @annepamgkrth @mxpl3s-castle