#platonic mha
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sleeplessdreamer14 · 4 months ago
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twin!Izuku who is the dipper to your mabel, the king to your luz, the anna to your elsa, the luigi to your mario, the gumball to your darwin.
twin!Izuku who does things in unison with you without even realizing.
twin!Izuku who felt a twinge of jealousy when you got your quirk that was outweighed by the pride and joy he felt seeing you learn to use yours.
twin!Izuku who cried a little the night before school started because he realized he wouldn’t get to be with you as often anymore, and that was kind of scary, even though he knew you would see each other again at home.
twin!Izuku who would sometimes ramble (borderline brag) about you to his friends from UA, so much so that you give All Might a run for his money.
twin!Izuku who sometimes getting distracted or even sad in school because he can’t help but notice your absence.
twin!Izuku who set up a blanket fort for the two of you the night before moving into the dorms and crying a lot a little because he realized just how much he was gonna miss you.
twin!Izuku who got used to bracing himself when he senses you coming in to tackle hug him.
twin!Izuku who gets a boost of confidence upon realizing he’s finally able to lift you without breaking a sweat.
twin!Izuku who is always so grateful to have someone as awesome and supportive as you as his twin.
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mintichoco · 2 years ago
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BNHA OC idea
me : *shaking my brother awake at three in the morning bcuz* OC idea~
him : *controlling the urge to smother me with a pillow* oh my gawd stfu!
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ꕥ sana : 紗 (sa) meaning "gauze, thread" combined with 夏 (na) meaning "summer"
��� asakura : 朝 (asa) meaning "morning" and 倉 (kura) meaning "warehouse, storehouse"
ꕥ she is born on 19th june and is thus a gemini
❍ her favorite food is any type of noodles (with extra spice)
ꕥ sana dislikes sweets except for dark chocolate
❍ she likes journaling and visiting amusement parks
ꕥ she can play the irish flute and the keyboard
❍ her quirk is called 'jack of all trades'. it is a spatial power and has multiple forms of manifestation
ꕥ one : basically, it allows her to scan through multiple placement variations of any object in the multiverse and choose one that is closest to how she needs it. it appears as telekinesis to the unknowing eye.
❍ for example, if she is standing between two points (say A and B) and wants to move a ball that is in A to B, she can search for an universe where, by some catalyst, the ball reached B and deem it as reality, thus warping the existance of it.
ꕥ two : she is able to accelerate time in and around herself. doing the former grants her the ability to move at inhuman speeds and the latter allows her to remain in one short span of passed or about-to-pass time. time becomes so slow, she is able to freeze everyone in the current reality at once. and sometimes time is so fast, she's able to foresee months at end.
❍ three : create anything out of nothingness. this power is limited as it can only work with sifficient wind supply. otherwise, she can literally grasp at thin air and call it an axe and the world will be forced to believe it is the aforementioned tool. it will only remain solid as long as she has some contact with the object.
ꕥ it also includes heightened senses and amplified strength with the added benefits of severe concussions, nosebleeds, terrible fatigue and overheating to the point of her body stopping to cooperate quite often.
❍ her favorite colors are white and caramel
ꕥ her parentage was never disclosed to her. at one point of time, all that she owned was an old charm bracelet with the words 'asakura' engraved on it. for all she knows it could be someone else's name, the key's manufacturing brand or something of that sort but she chose it as her family name
❍ she is a decent mechanic and has built few small machines from tid-bits and scraps of junk
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Notes :
Inspired by the second image. No thoughts, head empty, just broken quirks. I'm thinking of taking up a job of thinking up quirk ideas.
POV when you make a whole ass character based off of a pinterest image.
No srsly, credits to the actual artist.
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inuiiwonderland · 5 months ago
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I’ve been away from the mha fandom for TOOOOO long (it’s been 4-5 years) but after getting spoilers from the recent chapters, I might start writing for it now
So what do we think about angst with father figure/father all might? (Guys this been on my head for WEEKS I need to let it out)
I already have a 2k worded fic in my drafts but I’m still not done with it and I’m planning on making it longer.
But if anyone is interested PLEASEEE let me know and If you want to be tagged tell me!!
I might drop a sneak peek later if you guys want
Though quick warning Im not caught up with the latest seasons so I’ll apologize if some things aren’t accurate or characters are ooc
(I’m currently rewatching mha so please don’t come for me😭😭 but spoilers aren’t easy to hide from so there might be spoilers from the recent chapters on this fic!)
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tonberry-yoda · 2 years ago
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yayyy matchups open ! I want a platonc BNHA please !
I struugle understanding things, calm and only gets exited and loud over what/who i like, likes learning things, hates most kinds of changes ( as hating mentally growing up ) i feel related to BMO ( adventure time )
Interests/ikes ☆ : Ninjas, biology ( 🐾,🍄,🌱 & 🪲), other 5 sceinces ( 🧲,🧪,💎,⚙ & 🌌 ), clowns, creativity, flowers language, writing essays/short stories, charismaric nice people, praises, high-fives
dislike/hates : things i don't understand, bright lights, romance, grown ups & getting touched by them, astrology
oh my goodness hello!!! i have the PERFECT character for you, so i'll just jump right into it :)
the character I chose for you is...
DEKU!!!
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i feel like he matches that childlike energy you have got going on PERFECTLY
he would be such a good friend to you!!
you're both pretty calm until you start RAVING about what you like and then it's chaos lmaooo
he will gladly go to any nearby library with you to learn new things and it's awesome
you both love learning new things so doing it together is a lot of fun!
he will read your essays and short stories
WILL GIVE YOU 1,000 HIGH FIVES FR
super nice guy, so you two get along really well
he totally respects the things you don't like and will just overall be a great friend who will help you and be there for you!
~~~~~
matchup rules --- pinned post
@tonberry-yoda
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rocknbkdk · 1 month ago
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“i’ll make sure you won’t become a hero.”
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“you’ll become a hero?”
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“you won’t become a hero?”
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“i’ll make sure you’ll become a hero.”
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pjs-everyday · 2 months ago
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two besties at a boring function close-ups! 💕🔥✨
color version // line version // close-up 😃✌️
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habken · 9 months ago
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forced reconciliation through becoming family
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miyamoratsumuu · 3 months ago
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IN A WORLD OF BOYS...
↳ ...they're gentlemen. wherein you don't need to be royal blood for your best boys to treat you like a princess platonic!bksquad boys (k. bakugou, e.kirishima, d.kaminari, h.sero) x fem!reader notes/warnings: swearing/language, the boys call reader nicknames (babes, babe, darling, sweetheart, etc.) from time to time
navigation . . . mha masterlist
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a/n: aka my fav taylor swift song with my fav boys!! sort of a 1k special? I'm still debating on the event ahaha anyway, I'll be answering asks tomorrow!! classes are suspended so I have all the time in the world tomorrow hihi<3
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lovelyyandereaddictionpoint · 10 months ago
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Platonic yandere shigaraki HCS with a younger sister who's the daughter of AFO? (Since he's readers adopted older brother since AFO adopted shigaraki)
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Yandere Older Brother Shigaraki Tomura
“This is the little sibling I was telling you about. Would you like to hold them?”
“But my quirk–!”
“Not this time. Trust me.”
It was hard not to pull his cradled arms away when AFO unswaddled and slowly lowered the baby down
Visions of his past 
His quirk’s awakening flashed violent through his mind 
Tightly shutting his eyes in fear 
he feels the warmth and substantial weight in his arms
Opening his eyes to see a darling little baby cooing at him
Giving a gummy smile when he lets out a little chuckle in disbelief
“This is (Y/n). You’re little sibling.”
“My little-?”
“Yes. Will you protect them?
“YES!”
From then on it was history
It’s been him and his newfound family against the world 
Even with his old notfamily he wasn’t the oldest
And now you’re immune to his power letting him connect with you in a way he just can’t with others
All that being said he’s a doting big brother
“(Y/n). Are you giving the nanny trouble?”
“Psh! It was only a mud pie!”
“Really? That doesn’t sound so bad.” 
“They threw it in my face!!”
“It was meant for the pillow! Honest!”
“If (Y/n) said it was meant for the pillow then it was meant for the pillow I see no problem here.”
Because AFO is AFO the way you’re raised will really dictate how he watches over you
If he’s not the only one doting on you but your father dearest as well you can expect to always be miles away from the action
Kept in the boonies or shipped across the world
If AFO demands it you will see no such thing as a world he doesn’t create
But if you’re just another tool of his then you both will start to get competitive
“Awww heard about the little incident in Kamino! Heard you couldn’t get the job done!” “And I heard about your little excursion with the American division.”
“Pft! it was more so just a distraction.”
“Oh yeah? Is your enemy weakened and out of the game for good?”
“Grrrr.”
“That’s what I thought little Padawan!”
“Grrr shut up!”
If AFO completely ignores you and keeps you only because Tomura wants it 
Or because you have too many features like your late uncle
He’s dealing with a rebellious little sibling that he’s intent on tracking down
Whether you’ve decided to side with the heroes or strike out on your own
He will make it everyone’s problem that you’re not in his custody
“You seem to forget (Y/n) that as your older brother, I’m going to protect you…whether you like it or not.”
In whichever universe you are the apple of his eye
And he refuses to let you leave it
Whatever plan AFO has for him can wait if it doesn’t mean you safely within his grasp
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assassyart · 8 months ago
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*brings out hypnosis tool* Bakugou and Deku WILL catch up on the time they missed as kids. They WILL be friends again.
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toughbunnyforever · 9 months ago
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stay warm out there kids
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fluff-n-cookies · 3 months ago
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Dabi simply adores you, his precious daughter. But he didn’t always love you.
Part 2
Warnings: attempted murder (failed), canon typical violence, robberies, alcohol+drugs, references to child neglect, implied pedophilia (nothing graphic, and not towards reader), teenage parenthood, minor swearing.
reader has blue eyes like Dabi's.
let me know if you spot anymore.
note: I swear, it's not that bad, just fluff with kinda angsty undertones, cuz' it's Dabi! what do you want
I mean, he was only a teenager when he had you, fresh to the villain business at the wonderful age of 16 and a half. He decided it’d be a wonderful time to drink his sorrows away one night, one horrid, awful night. He ended up fucking a woman he did not know, who was surely much older than he, in the back alley of a bar in the worse parts of town. Amidst the filth of the nearby dumpster, it was here that he would make the single worst decision of his life, either that, or the best. He really doesn’t know.
but alas, he ended up with a little swaddled baby 9 months later when the same woman angrily shoved you into his arms, declaring something unintelligible before storming out of the bar again. Dabi, who at the time was drunk and higher than a kite. didn't react. when you started crying, he didn't react. when you cried louder, thrashing around in his hold he still didn't react. he was in his own world at that moment, shutting out everything except the burn of the cheep beer going down his throat. it wasn't until he was kicked out of the bar along with you for being too disruptive and he fell asleep in one of the abandoned buildings nearby only to wake up hung over and disoriented did he realize what he had done; when he saw a quite malnourished baby laying down on his jacket that he chucked on the floor last night. your swaddle all dirty by now.
he did nothing but stare at you for a while, the pounding in his head as well as the harsh rays of the mid day sun didn't help much. He was still just a kid, a villain too, and homeless. he wasn't ready to have a child. for a split second he thought of leaving you there, God, you looked just like Fuyumi when she was a baby. but you looked worse, like you were barely living. had you... had you died during the night? he stumbled to your side of the room, trying his best to avoid the rumble of the deteriorating building. it would truly have been a miracle if you happened to survive in such conditions.
carefully, he flipped you onto your back, putting a warm hand on your chest. god. you were barely breathing. barely responding too. Dabi's breath hitched, had he nearly killed his own child? he stayed like there for a few moments. looking right at you. he really had no idea what to do. you're already on the verge of death, if you died right now, would it really matter? you've been on this earth for only a few days it seems, your mother left you with a villainous teenage father who could let you wither away in an abandoned building.
if you were to die right now. he could spare you the pain of having to live with him, you'd never have to know the horrors of life.
he could just light one flame,
let it fill the room with smoke,
and watch as your lungs give up
and you simply stop breathing.
...
you'd just be another person who never got to see their future.
Gently, he stroked your tiny chubby cheek with a warm finger.
he nearly laughed at the thought, killing his first child, just like his own father had done with him. he pulled you into his arms, preparing to hold a small flame right up to your face until your fragile little body couldn't take it anymore. then he'd leave your body here as he burns down the rest of the building. a fitting memorial. but before he could do anything,
he paused - you - you squirmed in his hold. cracking open your eyes to stare at him with soulless blue eyes that mirrored his own, tried and scared. an expression that surely should never be on the face of a child.
Dabi truly can't quite recall what happened in that moment when he held you in his arms. all he remembers is a clenching in his heart. maybe it was the alcohol and the drugs. but he felt the emptiness and the pain. the gut wrenching, soul crushing pain, the type that he felt whenever his father would ignore him, again and again. he pain he felt when he saw his childhood home again after so many years, only to find that nothing had changed; he was forever gone and no body gave a fuck.
but- you. just you. you were just like him. you wanted nothing more than a little bit of love. would it truly be so bad if he gave it to you? he'd keep you around, for a while at least.
that's what he told himself as he found himself stealing diapers and baby powder and formula and what not from a convenience store, only to fuck up making formula and changing a baby. he did a little victory dance with you in his arms when he finally figured it out.
but that's only after he managed to get some midwife or other doctor to do a lil' check up on you. (only to knock them out for the police to find their body hours later.) anxiously analyzing everything the doctor was doing, making mental notes to himself to have you try and eat better.
he tended to do more robberies and muggings these days, only to spend it all on a shabby little one bedroom condo in one of the cheaper (and by proxy, crime ridden) parts of the city. it was better than being a single parent living on the streets I guess.
he ended up turning the bedroom into your nursery, if you would call a room that could barely hold a twin sized bed, full of nothing but a crib, a small closet full of dirty clothes, and a big stack of baby products in one corner; a nursery. he instead slept on the couch most nights. but he would forever find himself running back into your room whenever you would cry, he almost always ended up letting you sleep on his chest on the couch. both arms slung over your tiny body so there would never be a chance you'd fall out of his grip.
but life got better with time it seems. he started taking bigger jobs, bank robberies, sometimes murders every now and then. he built a good reputation for himself. and you. you grew on him. who was once a fragile little thing, right to death's doorstep. now, when you smiled, he felt ever so full of life.
he liked how you would always wait by the door after he went out to run an "errand", always being right where he left you and babbling happily when he came back. making a little gesture to be picked up and carried.
he liked you you tend to boss him around most of the time. you could point to where you wanted to go and he would happily carry you there. he isn't even aware of what he's doing, you could yell at him (as best as a baby can anyways) and he'd meet your demands near instantly without much complaint. someone else would have to point it out for him to notice.
he especially liked how you would stare at him with wide eyes as he would smoke on the balcony with the glass door shut. every night, it was a routine, just after dinner, Dabi would snag a pack of cigarettes, and sit outside on the balcony to smoke, occasionally looking back inside through the glass to see what you were doing. he would put on a little cartoon or set out some toys for you. and while that'd keep you entertained for a while, you'd still drift towards him, looking back at him through the glass to try and get his attention. his smoke breaks kept getting shorter and shorter because of that.
he liked how every time he woke up, you would always be with him. looking up at him with those big blue eyes that he gave you. especially the way you'd always look at him with nothing but love and joy.
the same eyes that he used to look at his own father with disdain and fury.
he'll joke around that you're too clingy, always following him, attached to the hip, quite literally with how often he holds you on his hip. But deep down he knows he'd be torn apart if you were gone from him for even one hour. he can't live without your little hugs and giggles and stupid playtime's and everything. please, your love means the world to him.
but he was still only ever a boy, a boy who never quite got to grow up the way he was meant to. but you will forever be the reason he'd try and be a man. for his little girl. he remembers how he'd make more frequent trips to the grocery store, how he'd stock up on medicine for kids, how he'd buy cleaning supplies to somehow make the rinky dinky condo you both live in a tad bit more suitable for a child.
you're the reason he even joined the league. this world has already killed him, and while he was given a second chance as Dabi will it really ever be the same?
but you. you are so full of life, so perfect, awaiting a future unknown. he'll sculpt this world with the second chance he's been given. for your father, Touya, may be dead, but Dabi is not, and he is very much ready to give you what he never had, even if he dies again in the process.
but with the league comes responsibility, a time consuming responsibility. gone are the days when he'd lounge around at home all day and only leave to take you to the playground or grocery shopping, and the occasional robbery when he was low on cash. now he was busy! can you believe it? now Dabi may have skipped nearly all of high school but he wasn't that stupid enough to leave a child home alone for hours on end. hence, he came to the conclusion of daycare. the horrid, horrid daycare.
he nearly cried when he realized his little girl was growing up so fast, it seemed like just last week he was holding you on his hip as he heated up a bottle of formula in his hand to finally get you to shut up and sleep. that only a couple days ago you walked your first ever steps after he came home early with your favorite snacks. he wasn't even able to record it he was too busy sobbing as you held onto his legs to steady yourself waiting for him to pick you up. it literally felt like yesterday you said your first words, "baba" after he jokingly started calling you cry baby.
this actually led to quite a lot of problematic nicknames, cry baby became Babs and Babs became bun and bun became bunny and bunny---- (i'm losing it as I write this.)
but nonetheless, it hurts. so every morning he'll wake up at the crack of dawn to haul you out of bed and get you all pretty and dolled up for the day. he lets you choose your shirt and pants and bows and what not. tying up your little baby sized shoes to take you to the next district over. now, he would've enrolled you into a daycare much closer to home but he really wants you to be safe, and unfortunately anything and everything in your neighborhood without his supervision is not and never will be, considered safe. so he'd much rather escort you via public transport to the richer neighborhoods every single morning than have you be in danger of any kind. sure, you're a little out of place, with thrifted clothes and frizzled up hair from only ever using your dad's 4-in-1 shampoo. and he's definitely out place. hence why he never quite shows his face to the teachers. always ushering you into the daycare building before leaving as fast as he came. The teachers think that he's your older goth brother who's being forced to take you to school by his parents. is it exhausting? yes, very much so. will he do it on repeat for the rest of his life if that means ensuring your happiness and safety? most certainly yes.
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PART 2 IS HERE
that'll be all. I might do a part 2. tried something different with my writing this time and hope it's better than the rest of my works.
my stuff is right here: Bnha master list, rules for requesting, ask box
send me an ask, I fucking love hearing from you guys.
edit, 4 hours after posting: I'm very disappointed that I still have no new asks. very disappointed in you all.
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mintichoco · 2 years ago
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Kanae (香苗) Usagiyama
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She's Mirko's cousin! Her quirk is omni-manipulation (basically projecting her own energy that is allotrophic to the ones exuded by other objects and manipulating them) but she also inherited bunny ears as a mutation which gives her great balance and heightened hearing.
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tabbyrocks · 1 year ago
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I'm just gonna say these guys could have been a FANTATSIC fucking trio if hori actually payed attention to his side characters.
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fatkish · 7 months ago
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Aizawa and Class 1A x Student Alchemist Reader
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In this, the reader has the same tattoos as scar. The reader’s left arm deconstructs molecules and their right arm reconstructs molecules.
The reader is quirkless so they use Alchemy to even the odds and are good at combat.
The reader took the entrance exam and has similar grade to Momo. Momo and the Reader share the 1/20 place amongst their peers
The reader aced the written test and destroyed the robots by using their alchemy to disassemble them. They got 45 villain points and 45 rescue points
When the teachers were looking over the students papers, Aizawa and Nedzu were amazed and skeptical of the reader being quirkless
Aizawa didn’t believe that you were quirkless so he used his quirk on you during his quirk apprehension test. Obviously it failed and he realized your were being honest on your paperwork. Still grilled you about it
Aizawa is ever so slightly more protective and stricter on you than other students. He worries all the time so he is a little harsher on you but you know that he just wants to push you a little more
You’re currently studying both flame and medical alchemy. You tend to study with recovery girl and help her out whenever you get the chance
During All Might’s hero vs villain training you were paired with Momo (Mineta didn’t get into the hero course) against Jirou and Kaminari. You won by creating a sleeping gas and put them to sleep whilst you and Momo wore gas masks she made
Bakugou refuses to admit your strength but has a secret respect for you since you beat him by altering his sweat’s molecules so it wasn’t explosive
Izuku has so many notes on you and has asked to draw your tattoos and you even began to teach him basic alchemy, although he sucks at it
When questioning you, you told Izuku that you were quirkless which he accidentally let it slip to his friends who then let the class know
After that you explained to the class that alchemy can be performed by anyone, it just take years of study and practice to perform and understand the basic rules and applications
Some didn’t believe you so you removed your shoe to show them all your second joint in your pinky toe as proof
Some still have a hard time believing it but most of the class accepted it
Kirishima, Sero, Iida, Jirou and Uraraka think you’re (manly) incredible and ambitious for dedicating yourself to something and making yourself strong despite the odds
Ashido, Kaminari and Hagakure still don’t believe that you’re quirkless
Tokoyami and Shoji both admire your strength and perseverance in trying to become a hero despite lacking a power and having been ridiculed and criticized for your dreams
Ojiro and you train in martial arts often as a means to strengthen one another
Tsuyu and you get along just fine as you both are some of the more mature students in classs
You tend to hang out with the quiet kids like Shoji, Tokoyami and Koda
You and Momo both bond over and help each other study the molecular make up of certain items
During the USJ attack, you used your flame alchemy on the Nomu. You used your conductive gloves to create the flames and tried to roast the Nomu
You took Hatsume’s place on Midoriya’s team in the Calvary battle
You fought Iida in the first rounds and won by creating a rugged and difficult terrain to run in as a means to slow him down, then you used your alchemy to seal his engines and managed to hit him in a pressure point that immobilized him
Todoroki was amazed when you were able to beat him in the sports festival. You turned his ice into water and then changed the arrangement of the stage’s molecular structure to that of quicksand and used the ground to swallow him up, winning your match.
Bakugou was pissed off when you altered your body’s carbon to be on the outside creating a skin of diamond like armor that his explosions couldn’t beat
You got 1st place in the festival but All Might accidentally let it slip during the award ceremony that you were quirkless
You got the third most offers from pros for internships out of the class
You ended up going with Best Jeanist and had a rather good time compared to Bakugou
After the Internships were over, you had mastered your flame alchemy and used it against All Might in your practical exam
Bonus: Todoroki learned that you can’t use flame alchemy when it’s raining or if your wet and accidentally started the ‘useless when wet’ shtick.
Now Bakugou makes fun of you whenever you get your gloves wet and acts like you need protection and enjoys babying you.
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tales-from-elysivm · 8 months ago
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★。/can i be a hero too?\。★
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ask: "I have a really cute request, Bakugou from Bnha with a little sibling reader. They weren't able to get a babysitter and Bakugou bring his little sibling to school, the reader is the complete opposite of him though"
pairing: bakugo x gn!sibling!reader
fandom: boku no hero academia
word count: 1,196
tw: none! purely some platonic, wholesome fluff. of course, a bit of cussing from bakugo but that comes with the territory
notes: thanks for being one of my first requests anon! it was really fun to get back into writing fanfic, and bnha is one of my favourite animes so writing this was a lot of fun - i just hope i did it well and you enjoy reading! i used primarily they/them pronouns for the sibling just in case ;)
! this is a repost from my other blog !
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‘Can’t we just hire that old fucking neighbour?!’
Mitsuki doesn’t even bother smacking her son this time, too busy fixing up the bento box she has already begun making in the kitchen. Rice and egg and soft pretzels which [Y/N] always insisted on. The same thing everyday, which Katsuki found increasingly frustrating. Their name is painted on the lid, which sits on the sink.
It’s one of the only memories that Mitsuki repeatedly brags about to her mom friends. How her son eagerly decorated a bento box for his anticipated sibling, and how he ended up despising them when born. That’s what it looked like anyway
‘She’s too old for [Y/N], you know this.’ Mitsuki snaps, snapping on the box lid. ‘They’ll get bored if they have to sit in her living room all day.’
‘The place smells like shit too.’
‘Katsuki!’ This time she does hit him.
‘It’s just one day. All you have to do is keep them busy for a while, and they’ll find a way to occupy themselves for the rest of your classes.’
Mitsuki packs the bento box and several colouring books and pencil sets into a tiny school bag that’s been sitting open on the dining room table. Just as [Y/N] comes skipping into the room in an All-Might tracksuit that they demanded they ‘had to have’ when they saw it at a convention a while ago.
‘Aren’t you so pretty, hun?’ Mitsuki coos at - arguably - her favourite child. ‘Guess what?’
[Y/N] mumbles something around a mouthful of a soft pretzel. Where’d they even get it from?
‘You’re going to school with Katsuki today!’
Oh shit their face got a fuck ton more bright when he looked down again. Even the mention of U.A on any given day made them bounce around while babbling about how they’d love to be a hero when they got their quirk. 
‘Really?’ [Y/N] attaches themself to his leg, bouncing up and down to make sure they’ve heard Mitsuki just right.
She glares at him when [Y/N] looks away.
‘Yeah, yeah, whatever.’
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No one’s expecting anything entirely different when Aizawa starts class that morning. The only thing that seems slightly out of the ordinary is Bakugo being late. Kirishima is counting through the minutes and soon enough a whole half hour passes without him being there to yell at anyone. Even Midoriya is having a particularly stress-free morning!
However, no one was expecting for him to parade into the class an hour later with a six year old sitting on his shoulders, because (as he said) “they didn’t want to use their damn legs”. 
‘Bakubro,’ Kaminari is already laughing his ass off in the back corner. ‘Ya got a hitchhiker there.’
Bakugo is almost fuming by the time he drops off the child at his desk, standing by Aizawa to demand - or ask - that he ignore the situation. Number one, [Y/N] got a day off school because of a downtown villain attack, and Mitsuki couldn’t find a babysitter after their current one caught the flu. With no other options and both of his parents going to work early that morning, he had no choice but to drag them along as long as, and quote:
‘You don’t make a damn noise, and no questions, and no playing around, you sit down and shut up.’
Did [Y/N] listen? Nope. Not really. 
Halfway through the first lesson of the morning, and little [Y/N] is sitting in the lap of half of his classmates, messing with Hagakure’s invisible hair in utter curiosity, and playing heroes with Midoriya and Kirishima. At which point they all stand on their desks and put their fists in the air yelling ‘Detroit Smash’!
Katsuki just stands and watches as [Y/N] jumps from person to person, playing with quirks and planning out their future hero name. Kaminari is the most excited to stand on his desk and create a fake hero mask out of tape and paper, and theorise all the new quirks that could be made for [Y/N].
‘[Y/N] sit down for God’s sake!’ he growls at them, and they do so as they nestle themselves into a corner of his desk. Katsuki squeezes on with her. ‘No more talking to these... damn extras during class, ok?’
Mitsuki would skin him alive if he even thought about swearing properly in the same room as her “precious angel”.
‘But why?’
‘’Cause it’s annoying.’
[Y/N]’s eyes widen a bit, but then they beam at him and nod again, picking up a pencil as if they actually are a student and begin doodling a picture while others begin homework. Aizawa doesn’t collapse into his sleeping bag this time, instead keeping an eye to ensure he isn’t sued later for the death of an unrelated child. Midoriya and Iida are the first ones to finish of course, followed by Katsuki, who has to steal his pages when [Y/N] isn’t looking, handing it across the teacher’s desk with glitter flowers and stars in the margins. 
The bell goes to signal the beginning of their hero training, and [Y/N] clutches Katsuki’s hand as they shyly approach the scary-looking racoon man to hand him a (“professionally signed”) artwork by [Y/N] Bakugo. A misshapen house with a cat and a very dead looking racoon. 
(Aizawa does frame it later, like a dad of course.)
(Katsuki does call his teacher roadkill exactly three times after that.)
For hero training All-Might stands with his hands on his hips with [Y/N] at his side to help conduct the lesson. Together they order drills and [Y/N] gets to practise their hero voice and pose. The class ends with the whole group playing games and kicking a soccer ball around so they can pretend that [Y/N] has to save it from various situations. Which they do so successfully - “a top-rate hero” in All-Might’s words.
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For Katsuki, he’s glad to get home and die in bed when 8:30 rolls around. It’s been non-stop questions and poking and prodding even though he told [Y/N] not to, but they wouldn’t listen! And when they got home Mitsuki hounded him to make sure they hadn’t done anything stupid while at school. 
But 9 rolls around and [Y/N]’s socks cast shadows over the door frame, and the door handle jiggles. Katsuki waits and doesn’t move to help them with it. They come padding in with a stuffed Midnight plush, and crawls onto his pillow. 
‘Kat, can I come to school with you everyday?’
And god-fucking-dammit, they look so damn excited to go to school with their big brother that all he can do is turn off his lamp and pull the covers up and pat their hair. He can feel his chest swell with pride, because his sibling wants to come and watch him become a hero.
He can’t help but wonder what kind of hero [Y/N] will be. What would their quirk be? 
Oh, Mitsuki would kick his ass if he even thought about surpassing his own sibling.
He smirks at the thought. His sibling would be the best hero at U.A, not like those fucking extras. 
‘Yeah, whatever.’
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i really enjoyed writing this!
let me know if you want to request anything, and i'll try my best to get to them as quickly as possible.
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