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YOU ARE THE... Grandfather?

Summary:

What if All Might wasn't Izuku's father... but was in fact his granddather.

Notes:

Inspired by a convo over on my Discord... So blame Aster over on there for this pure crack filled monstrosity.

Also happy birthday to said crack fic inspierer! Seriously hope you have an amazing day filled with stunning company, fun times and lovely things. You deserve it Monarch! *birthday hugs*

(See the end of the work for more notes.)

Work Text:

Izuku had not expected his week to go like this. No one could have predicted his week could have gone like this, even if they had a quirk that could see into the future... unless it was Sir Nighteye... he may have had a chance. But regardless of all that and how it ended it had started off normal. Well as normal as a day could be in class 1A. Meaning it started in a way that caused Mr Aizawa a constant state of anxiety and an everlasting headache.

"Class. Settle down." Mr Aizawa says, looking at the room with a quirk fuelled glare. Izuku was already sitting in his seat, hand holding his head up as he looks out the window. The sky is overcast, cloudy... it looked like a storm was brewing. And whilst Izuku is in his seat the same could not be said for Kaminari or Mina. Kaminari was sat on Kirishima's desk chatting to him and watching Mina's impromptu dance recital... because Denki made the stupid comment that she couldn't dance on two desks pushed together. So she took Denki's comment to heart and showed them that she in fact could do just that. All told it was a beautiful and graceful performance considering the small stage she had.

Mineta was also hanging suspended by Sero's tape from the roof in a tape cocoon after an off colour comment about Mina as she danced... but he's technically above his seat so Mr Aizawa is just counting him as in his seat because fuck it he needs more coffee and a pay raise to even begins to deal with Mineta.

He sips his coffee that was lightly laced with Bailey's and looks out at his class. His eyes roll over the crowd, Mina and Denki are separating their desks before taking their seats. Izuku's attention has rolled back around to him. But, and it's an important but, one person is missing. 

The second least likely person Aizawa thought would skip class... top of that list is Iida... Aizawa is pretty sure that boy would be missing a leg and still come to class... an hour early. Bleeding profusely and refuse to see Recovery Girl in case he missed anything important.

But he’s sat in his seat, lecturing his classmates in vain, no. The missing person is Shoto Todoroki.

Aizawa pinches his brow. He was in the dorms this morning, in his room... saying he was nearly done with something. 

What was he nearly done with?

Aizawa should have seen what it-

The door to the classroom is kicked open. Aizawa turns expecting to see A) Mic B) a lost student or C) even more likely a villain who's very out of their depth. He hopes it's a villain out of his depth. He needs a reason to cancel class today and sleep. God he needs sleep. He looks over with hope in his heart but alas... that hope is dashed.

It was none of the things he was expecting.

Damnit. 

It is in fact Todoroki Shoto. In an Agent Perry the Platypus onesie with this hood up and part of his hair visible under the fedoraed hood. It even has a tail. One of the mittens is over his hand and the other is flopping still attached to the main body of the onesie.

"Todoroki-" Aizawa watches as the boy ignores him completely, slamming a piece of paper he was holding in his hand onto Midoriya's desk. Eyes filled with certainty and a little pride.

"Shoto?" Midoriya asks, blinking up owlishly at the taller boy. He looks scared. Aizawa does not blame him as he sips his coffee. He’s learned too let his class get their shenanigans out… and unless those plans include murder again he’s going too let them slide. Fallout can be dealt with later… even in cases of attempted murder. 

"ITS A MATCH!" Shoto says, like that explains everything... when it in fact explains nothing.

"What's a match?" Midoriya asks, confused as he tilts his head to one side. Aizawa is also confused but he also wants to hear Shoto’s latest theory. So he sits back and watches his chaos kids do whatever for now, he can't teach when there's this big a distraction going on anyways. That’s his logic and he’s sticking too it.

"Your DNA with All Might's it's a match!" Shoto says, a big smile on his face. Aizawa chokes on his coffee at that statement... and the smile on Shoto's face. Which is creepy because Shoto never smiles. But this smile is beaming... sort of like Izuku's but wrong. Izuku blinks, processing that. The class blinks processing that. 

"IT'S WHAT?!" Izuku shouts, grabbing the piece of paper and bringing it close to his face. A panicked look on his face. Aizawa pinches his brow, hard. Of course the resident blonde idiot is related to his biggest problem child. But how Aizawa doesn't know.

"I was right! He's your father!" Shoto says, throwing his hands above his head. Of course Yagi sired this green haired feral goblin that is known as Midoriya Izuku. Bakugou grabs Shoto by his tail and spins him around and slams Shoto against the wall.

"I've met Zu's dad Icy Hot and he sure as shit ain't All Might!" Bakugou snarls. Shoto looks him dead in the eye, his emotionless self returning. 

"The DNA test doesn't lie Bakugou." Shoto says. Bakugou turns to Midoriya who's looking at the sheet in his shaking hands. Tears in his eyes. He looks at the room who are all staring at him.

"No. He can't be!" Izuku shouts, his breathing growing erratic. Shoto blinks and realises he may have messed up.

"Hey, Zu it'll be-" Bakugou starts as Midoriya sprints from the room in a crackle of lightening. Bakugou slowly turns back to Shoto. Aizawa takes a deliberately loud sip of coffee, drawing attention back to him.

”Bakugou. Put him down.” He says. Bakugou growls. Aizawa sighs and without breaking eye contact starts rummaging around in his top drawer. He pulls out his spray bottle filled with water. He points it at Bakugou. “I’ll say it again. Put him down.”

Bakugou growls but pushes off Shoto and goes to follow Midoryia. Aizawa puts the spray bottle away and turns to Shoto.

"Todoroki." Aizawa pinches his brow, "as... stylish... as your outfit is. Go back to the dorms and stay there. DO NOT leave your room. We'll talk about the DNA test you ran without ANYONE'S knowledge once I've located Midoriya." 

"Yes Mr Aizawa." Todoroki says, voice calm. He leaves the room. 

"As for the rest of you I'll be sending in someone to watch-"

"There's no need for that! I can see them all quite clearly over the cameras! I also saw Mr Midoryia heading to Recovery Girl's office quickly followed by Mr Bakugou!" Nezu says far too cheerfully over the speakers. 

"All of you just study. QUIETLY!" Aizawa says, leaving the room. And slamming the door behind him for extra effect. He needs more coffee. He walks to Recovery Girl’s office. He finds Izuku pacing, tears still in his eyes. Bakugou anxiously watching him, like he’s waiting for the right time to pounce and pin him to the ground to stop the pacing. 

“This test says I share DNA with All Might but it doesn’t say how much!” Izuku says, waving the piece of paper around.

“Midoriya." Aizawa says.

"No Mr Aizawa! Do NOT use the G flat Midoriya on me. I know I did nothing wrong here. Shoto conducted a DNA test on me without my permission... WHERE DID HE GET THE DNA FROM?!" Izuku says, drawing to a sudden stop. Aizawa realises he raises a good point. Bakugou also realises now is a good time to pounce and he grabs the weighted blanket from next to him, wrapping Izuku in the blanket and his arms. Izuku just leans against him, in shock.

"I'll ask him later. But Midoryia, Bakugou you can't just leave class."

"Can and am!” Izuku says, pouting as Bakugou starts playing with his curls.

“Where Zu goes I go.” Bakugou says, his eyes wide in awe over how soft Izuku’s curls are. Like he doesn’t play with them daily. Aizawa sighs.

“You can’t cut class.”

“I’ve had earth shattering news delivered unto me in a really insensitive way and taking a mental health day.”

“That’s not a thing-“

“Actually it is. Hound Dog implemented them last week. Your kids have been through a lot. And it raises questions why you didn’t get them ANY sessions with Hound Dog.”

“I offered them. They refused.”

“Bitch when?” Bakugou says. Fucking snitch. Aizawa feels a cane to the knees and he falls to the ground. Standing over him is a furious Recovery Girl with flames erupting around her.

“Ooooooooooooo! You in trouble!” Izuku, not so helpfully, says.

“They are babies Shouta! They need help to process their trauma!”

“I’m not a baby!” Izuku says, with a small pout. 

“Hush or no lollipop.” Recovery Girl says. Izuku’s mouth snaps shut with an audible clack. 

“They’re up and coming pro heroes. Trauma comes with the job.”

“But we don’t how to process the trauma.” Bakugou says, fingergunning their teacher. Izuku just turns too him slowly.

“Speak for yourself peasant. I’ve had trauma since pre K.” Izuku says, tossing his hair out over his shoulder. Bakugou snuggles in close to him.

“Oh yea and you’re the bastion of mental health.” Bakugou says into the side of Izuku's neck.

“Hush. My meds work.” Izuku says, with a small pout.

“Remember when you ran out?” Bakugou says with a raised eyebrow.

“… that was not a fun week.” Izuku says, looking away.

“You saw the rescue cat ad and sobbed.” Bakugou says with a small smirk. Izuku just blinks at him. 

“… So did you?” Izuku says, looking confused. 

“They looked sad!” Bakugou says, the tops of his ears turning red.

“That’s why I was crying!” Izuku says, pouting harder.

“You also tried to adopt all the cats.” Bakugou says, tapping the end of his nose.

“You didn’t try to stop me!” Izuku says, pushing Bakugou lightly. 

“… stop with your logic.” Bakugou says, turning too Izuku.

“Never.” Izuku says, tapping the end of Bakugou’s nose. Izuku gets scooped up into his arms and held close. Like he's something precious... to be treasured.

“If Zu is taking a mental health day so am I.” Bakugou says, burying his head into the crook of Izuku's neck.

“That’s not how it works.” Aizawa says, deadpan.

“You didn’t even know we HAD mental health days.” Bakugou shoots back with a small venomous glare at their teacher.

“You two boys go back to the dorms. Izuku we can run a better DNA test here if you wish.” Recovery Girl says, overriding Eraserhead effortlessly. 

“Please.” Izuku says, melting into his boyfriend. Relieved he's being taken seriously. 

“Now, both of you take a lollipop and some gummies.” Recovery Girl says, opening her drawers of goodies. Stickers included. She hands Izuku and Bakugou a teeth rotting amount of candy. She gives them both pats on the head and reassurances she’ll send over any homework assignments and work they’ll miss. Aizawa watches as the only two witnesses leave him alone with a ferally angry Recovery Girl.

The next day Mr Aizawa was sporting new bandages over his everywhere and was sipping coffee through a straw. 

Izuku chose to not ask questions. Which was the right choice considering Mineta did ask quiestions... and promptly got expelled for his troubles.

No one mourned his loss from the hero program and rumour is Hitoshi Shinso is meant to be transferring into the course next week. Right into the middle of the shit storm. 

Well maybe right after it’s passed considering Izuku is currently dressed in a suit Aoyama picked out for him. Which means he ✨sparkles✨. Sat on an opposing sofa is a sweating All Might. Like Izuku is pretty sure All Might has filled a bucket with his sweat, maybe several, maybe a hundred. All Izuku can tell is his oversized suit is doing him no favours whatsoever and he's nervously shifting in his seat.

Sat next to Izuku on the sofa is his father. Who Izuku called on the second day of this week.

“We have to tell him right?” Izuku says, looking up at Bakugou with big green eyes. Now here it’s important to note Bakugou Katsuki is what is known as a simp and all Izuku has to do to get him to almost anything is bat his big green eyes at him.

“Not if you don’t want to Zuki.” Bakugou says, lying down with his head on Izuku’s lap. Izuku squirms. He’s very uncomfy with the situation before him. He could just NOT tell his father and do it in secret and pray that Shoto got a false positive.

That’s an option right?… RIGHT?!

Izuku just chooses to faceplant right into his boyfriends chest. Being held there.

”I have to tell him.” Izuku says with a small sigh. Izuku slowly peels himself off his boyfriends chest. Slowly but Bakugou isn't done with him yet. He pouts and holds Izuku close too his chest. 

"I want more snuggles." Bakugou says. Izuku pouts. This causes Bakugou to grab Izuku's laptop, open it and place it on his chest. Pointing at Izuku. "There, now I get snuggles and you can tell your dad." Bakugou says. Izuku smiles and opens Skype and starts facetiming his dad. His dad is over in America being a pro hero... he's pretty high ranking in America, top tens. Not that anyone outside of Bakugou knows that... he doesn't wanna be seen as yet another nepo baby in class 1A because there's Shoto, Iida, Momo, Shoji, Sato, Aoyama AND Denki who all have at least one immediate family member who's a pro hero. No one needs too know there's another one in the class. 

The sound of Skype fills the room. 

It's broken by the call being picked up. Izuku looks at his dad, who's mid villain fight. His curly blonde hair pulled into a ponytail, blue eyes fixed on someone off screen. The freckles on his face smeared in dirt and grime. He's also in his hero costume, a simple jumpsuit with a similar design too Izuku's own... minus his hood... and red instead of green... with black accents instead of cream. He also has a mask over his face with a way too steamline his fire better at the villains before him.

"Hey! What's up buddy?" His dad asks, concern in his voice as he dodges out of the way of an attack. It looks like some kind of rubbery water?

"This looks like a bad time..." Izuku says, trailing off. Fully willing too call back at a later time.

"Nonsense! This guy is a villain of the week!" His dad says, dodging out the way of a mailbox that's been thrown at him.

"Show me!" Izuku says, his dad chuckles as Bakugou fights the urge too passionately kiss Izuku because he's being even more adorable than he normally is right now. Doing his excited little jiggles but lying down so it's like he's vibrating. Bakugou practically goes boneless against how happy his boyfriend looks at seeing a new quirk. Izuku's father pans the camera around too the fight scene. 

There's a person made of the rubbery water material, it looks like the attacks are him stretching his body out.

"Burn him." Izuku says, deadpan.

"He's made of water!" His dad says from off screen.

"No. He's water housed in rubber. It's a suit." Izuku says. "They probably have some kinda air manipulation quirk which is allowing them too breath in there and then also stretch out the molecules in the rubber too."

"Zu."

"Yes father?"

"Have I told you how much I love you?"

"Not today."

"Then, I love you." Izuku's father says, placing the phone down giving Izuku a clear view of the fight. The totally awesome amazing fight that everyone should really see. 

But the fight ends and Izuku's father picks up the phone, pulling down his mask. It was an uber cool mask with a way too direct the flames from his mouth easier... Izuku helped him come up with the idea. 

"Now, what's up buddy?" His dad asks, walking off into a side alley too talk without people bothering them.

"Well... it's a little crazy but a classmate took a some of my DNA and did a DNA test and-"

"Turns out he's one hundred percent that bitch." Bakugou says with a smirk. Izuku pouty glares at him. Do not interrupt him right now! 

"Hello Katsuki, please let Izuku finish. So I'm suing someone-"

"I never said that!" Izuku says his hair puffing out like a disgruntled cat.

"Someone did an illegal DNA test on you and that's grounds too sue... but go on."

"So Endeavour's son took my DNA and did a DNA test-"

"Still suing!"

"SohetookmyDNAanddidatestandturnsoutImightberelatedtooAllMight." Izuku says in one big rush of words. 

"I'm sorry, what?" Izuku's father says, confused.

"I might be related too All Might and that means..."

"SONUVA-" His days shouts, two jets of flames coming out of his nostrils, before regaining his composure with a deep breath. "How was this information relayed too you?"

"It was in the classroom Uncle Zashi! In front of the whole damned class!" Bakugou adds in before Izuku can say anything.

"So I'm double suing!" His dad says with a big smile.

"I'll be your character witness!" Bakugou adds on.

"Both of you! We are NOT suing! Shoto is my friend!" Izuku says with a pointed glare at both his father and his boyfriend.

"Pretty shitty friend ta out you like that Zu." Bakugou says with an eyeroll.

"He has no social cues. He was so stoked about being right he forgot where we were." Izuku defends his socially inept friend.

"I agree with Bakugou son. It isn't right... does your mother know?" His dad asks, with a serious look on his face.

"No... we know who all of mum's parents are... we don't know yours." Izuku says trailing off. His father blinks. 

“I-"

Bakugou starts laughing. Like full on cackling.

“How is Zu so smart and you so dumb?” Bakugou says through his wheezes.

”A) I’m not dumb. B) his mother is a genius lawyer… I know who’s going to be our lawyer for the law suit against- did you say Endeavour?” Izuku's father says, doing a double take.

“Yes?”

“… right you’ve never met your half uncle.” His dad says, casually.

“My fucking what?”
“His fucking
what?” Izuku and Bakugou say in unison.

“Tadah! We have the same mother but different fathers. And I’m the baby so I was the favourite and yeaaaaaa... we grew apart as we grew up...” His dad shrugs. Izuku takes a deep breath.

“Father. I love you but next time TELL ME THIS KINDA IMPORTANT INFO!”

“Your mother knows.”

“Well neither of you told me!”

“Ehhhh, my brothers an asshole.” Izuku's dad shrugs again.

“I know. I’ve met him. And his so- MY COUSIN!” Izuku shouts. He sits bolt upright as does Katsuki. They share a look and Izuku feels a smirk cross his face.

“Zuki... what are you planning?” Bakugou asks, a little nervous.

“✨shenanigans✨ Kacchan.” Izuku says grinning devilishly.

“Just don’t kill him.” His father says, swallowing thickly.

“M not gonna. Not planned a murder since I was six.” Izuku says, looking away with a pout.

“Who did you plan too murder?” Bakugou asks, blinking in shock. A light flush on his cheeks.

“My bullies… and their families. Pretty sure I still have the plans somewhere.” Izuku says with a casual shrug. Bakugou feels his cheeks flush deeper and small pops come off his hands. Izuku smirks at him but nothing more even though he really wants too kiss him, until his entire body is flushed.  But seeing as how his father is still on Skype he refrains from that.

“Son. What are you planning?” His father asks, a little scared.

“✨shenanigans✨ father.” Izuku says with a smirk. “Don’t worry about it.” He waves his hand in a dismissive way. 

“Iz-“

“G2G, I’ll tell you the results of the DNA test when I get them.” Izuku says, hanging up. He sits up and before Bakugou can stop him and he’s on his way to Shoto’s room with a small skip in his step. He knocks on the door and it slowly opens to reveal Shoto adjusting his conspiracy board. Moving Izuku’s case into the solved pile. 

It’s the only one in the solved pile.

Izuku almost feels kinda bad for what’s he’s about to do.

Almost.

“I spoke to my dad-"

Shoto takes a breath,

“Who’s not All Might. And he said that we’re cousins!” Izuku says with big grin.

Shoto’s face falls into shock, mouth agape and eyes wide.

“I-what?"

"Okay, bye." Izuku says, turning on his heel and walking away, still with a skip in his step. He gets halfway down the corridor, which is farther than he thought he would make it, when he feels a hand spin him around and pin him too the wall. Shoto's eyes baring into his soul.

"You can't drop family news like that with no context and walk away!" Shoto says, angry? Angry?! How bloody dare he be angry!

"At least I did it in private." Izuku spits back. batting Shoto's hand off his shoulders.

"Wait, what?" Shoto says, blinking in shock.

"You revealed what you found in front of the whole goddamned class Shoto! It hurts. A lot. So," Izuku takes a piece of hair out of his head and holds it too him, "run a DNA test and see if we're cousins."

"Wait I could be related too All Might?" Shoto says as Izuku walks away with a shrug and waving his hand in the air.

Izuku had flopped into bed and spent the rest of the day snuggling with Bakugou. It was a peaceful day watching movies, no All Might ones, and ate junk food. Snuggled into each other and Izuku fell in and out of contented consciousness. It was a nice day... for them anyways. Shoto however spent the day in his room running DNA tests and yes he and Izuku are in fact related. Cousins in fact! 

This lead Shoto too have a mini breakdown and both set his room on fire and freeze it... atthe same time... so yay? Quirk awakening!

But of course one day ends and another begins so Izuku and Bakugou had too go to class... 

Izuku wishes he would have stayed home on Wednesday.

Izuku is sitting in class. Nervously fiddling a pen through his fingers. Bakugou is nervously twitching, glaring at anyone who dares look too at Izuku out the side of their eye. Shoto hasn't shown his face today and Izuku is pretty sure he's having a crisis considering the state his room was in now. But that's none of his business... even if they are technically family now. He sips water from the bottle he's borrowing from Kacchan... it was the only none All Might themed water bottle they owned between the two of them... and avoids eye contact with everyone. Because he doesn't want too. 

Mr Aizawa is eventually replaced with All Might for their practical lesson. All Might's still in the classroom, telling them about the lesson, which no one really remembers because it was overshadowed by the doorway getting kicked open for the second time this week. And once again it is not A) Present Mic, B) a lost student or C) a supremely lost out of their depth villain. 

And this time it was not Shoto Todoroki.

No. 

Izuku's heart falls down into his custom made red sneakers.

Because standing in the doorway with bags under his eyes is his father. Still in his hero costume... with injuries from his last fight... which Izuku saw via the Skype. He checked the rest of that day for stories involving his father... none came up. 

Apparently he got on a fucking flight to Japan. 

"All Might!" His father says, pointing too the man. All Might jolts and turns too the him, blinking in shock and confusion at the man standing there.

"No way! That's Dragon! The number three pro hero in America!" Denki says, eyes wide. Izuku slumps over his desk. Head on his desk. Of course Denki knows American superheroes! He's half American! 

"C-Can I help you?" All Might asks, looking at Izuku's father. His father just stands there, staring at All Might. Not saying a word. The two do look similar... very similar. Espeically if you compare Izuku's father to a younger All Might. Same blonde hair, same blue eyes, same nose... the only real difference is Izuku's father has is freckles spackled across his face. Just like Izuku.

"Yea, I want a DNA test!" Izuku's dad say. Izuku springs too his feet. Because 'WHYYYYYYYYYYYYYYYYYYYYY HIIIIIIIIMMMMMMMMM!' Bakugou is hiding his snickering into his hand.

"Dad!" Izuku says, slamming his hands down on his desk as his cheeks go red.

"DAD?!" The class, bar Bakugou, say in unison as they whip around too face Izuku... and Hizashi. The class then look between the two of them, and All Might. Trying too see similarities.

"Young Midoriya... I thought your father was in America?" All Might says, sweating lightly.

"So did I!" Izuku says, realising that his dad is actually here... so he walks over to his dad and hugs him as tight as he can. His dad is also a giant, Izuku took after his mother more in terms of height. So he was far from his fathers over 7 foot frame. So he barely comes up to his waist when he hugs him.

“Hey.” His dad says, ruffling Izuku’s hair gently.

“Does mum know you’re here?” Izuku asks, not letting go of his dad.

“Nope. Figured I’d surprise her with flowers.” His dad says with a sheepish grin... which looks a lot like Izuku's as he rubs the back of his neck.

“You’re dead old man.” Izuku says with a glint in his eyes as he keeps hugging him close.

“I know.” His dad says, sagging. Izuku giggles as he’s picked up and set on his dads shoulders. He's so tall right now! “You’ve gotten heavy!” His dad says without thinking.

“It’s my muscles!” Izuku says, excitedly.

“I’m sorry. Why do you want a DNA test?” All Might asks, confused.

“You didn’t tell him?” His dad asks, looking up at Izuku.

“When would I have found the time?” Izuku shoots back looking down. 

“Worry not!” Nezu’s voice comes over the camera/intercom. “We can arrange a proper DNA test for both you Mr Midoriya and Yagi!”

“I’m confused.” All Might says, looking well... confused.

“Icy fùck did a DNA test on Zu. Compared his DNA against yours. It was a match. And clearly you’re not his father. But Zu’s dad’s dad’s a deadbeat. He hit and quit Zu’s grandmother.” Bakugou explains. 

“Kaaaaacccchhhaaannnn!” Izuku says, puffing out his cheeks, “you know I don’t you phrasing it like that!”

“Fiiiinnneeea. Izuku’s grandad dipped before his dad was born.” Bakugou corrects himself.

“Thank you Kacchan.” Izuku says with a beaming smile. Which when you look at it is very similar to All Might's. All Might starts sweating harder.

“Y-Young Midoriya… who’s your grandmother?” He asks, looking like he's about too pass out. Izuku looks All Might, his idol and teacher, dead in the eye and without dropping his smile says,

“David Shield’s late wife’s sister! Marissa!”  All Might passes out. Right there and then on the spot.

“Oh dear.” Nezu says. “I’ll send in Recovery Girl.” He says. Izuku’s dad tenses. 

“She still works here?!” He says.

“Yup! And she has the best candy!” Izuku says, bouncing excitedly.

“Thank you for the endorsement Izuku." Recovery Girl says with a soft smile as she looks up at Izuku

"Now, please put him down Hisashi. If he falls from there he'll break another bone."

"What do you mean another?"

"Midoriya Izuku! Did you not tell your father about your glass bones?" Recovery Girl scolds the boy.

"No..." Izuku says, looking away with a small pout and blush.

"Glass bones?" Izuku's father says, curious but also sickened.

"He's a glass cannon Uncle Hisashi! He throws one punch and breaks down!" Bakugou says, a little angry.

"That was before internships Kacchan! Now I only break bones when I'm using hysterical strength!" Izuku defends himself... well not really but he tries too defend himself.

"Izuku." Izuku's father pulls him off and holds his bone breaking mildly feral son in front of him buy the armpits. Izuku swings his legs in the air, because they don't touch the ground. "Focus Izuku." His father says, drawing Izuku's attention back too him.

"But father I feel tall." Izuku says, pouting. 

"Well, you need too be careful before you do any damage that can't be undone." His father says with a pointed look.

"..."

"Izuku."

"Yes."

"Is it too late for that?"

"..... Yes." Izuku says, hanging his head. Hisashi scoops Izuku up into his arms and holds him there. Close too his side. Like he can protect him from all harm. Which maybe he can. 

"And where were your teachers?"

"Watchin' me. Scoldin' me. Tellin' me to be better." Izuku says with a shrug.

Bakugou lets out a witches cackle from his seat. Izuku pouty glares at him. 

"And Izuku, my son, light of my life, where is this teacher?" Izuku's father asks, deadpan. 

"I dunno..." Izuku shrugs.

"He's in the teachers lounge. Napping." Recovery Girl says, fully snitching on Eraserhead again. Hisashi strides out of the room with Izuku still held close too his side and Izuku is just resting his head on his dad's shoulder. He's not been held like this since he was younger... his mother couldn't do it after he got too big. His father however subscribed too the principle of 'I will never not be able to pick my son up, no matter how big he gets...' and Izuku loves it. His father enters the teachers lounge.

"I'm looking for my sons teacher." His father says. Midnight just points too a rousing Eraserhead in the corner. Slowly sitting up in his bright yellow sleeping bag and blinking. Still heavily bandaged from his earlier beatdown from Recovery Girl but no so much he's mummified... again.

"You're Izuku's father?" Eraserhead says, blinking at the giant All Might clone and holding his most feralist of children.

"Yes. And explain too me, slowly and in pain staking detail, how you allowed my son too break his bones too the point of permanent damage?" Izuku's father asks, his voice dangerously calm. Eraserhead blinks.

"He's 14. He should be able too control his quirk by now." Eraserhead says. It's his go too response in this case. Izuku deflates against his side and Hisashi riles like an angry papa bear.

"... He's a late bloomer you absolute moron." Hisashi says deadpan. 

"He's a what?" Eraserhead says, sounding shocked.

"Late bloomer. He didn't get his quirk until the UA entrance exam." Hisashi says voice venomous. 

"I didn't know." Eraserhead says looking like a lost little puppy. 

"Did you read his file?" Hisashi says, glaring at the teacher. 

"... I find it bias's-"

"BULLSH-" Izuku's father stops as he looks at his son. His innocent little son who looks like an angel. He sighs, he wasn't here too protect him when he needed him the most. Never again, he loves his son and will do anything from now on too keep his safe.

"What my father meant to say is," Izuku clears his throat loudly and a little obnoxiously "THAT'S SOME STINKY BULLSHIT!" Izuku says with no hesitation  and very very loudly. His father blinks and spins Izuku around too face him. A shocked look on his face.

"Izuku! When did you learn to swear like that?" He asks, shocked... his son shouldn't know  these no no words at his age!

"Kacchan!" Izuku says with a bright smile. His father sighs and holds Izuku close too his side again. Well there's nothing that can be done about that is there? Bakugou is Bakugou and he can't be tamed.

"But yes, I have too agree. I am not happy with his education here. My wife and I will be in too discuss your failure to protect our son. Now I'm taking him away from this place for the day. He's clearly not missing anything education wise." Hisashi adds with a cold glare at the so called teacher before him.

"Burn." Izuku says deadpan.

"You can't just take him out of school!" Eraserhead says, getting too his feet but falling flat on his face due too still being in his sleeping bag.

"Mental health day." Izuku says, looking at the man who's faceplanted the ground.

"You took one yesterday." Eraserhead says, looking up with shock.

"And I'm taking one today." Izuku says with a shrug.

"You can't." Eraserhead says, deadpan.

"Yes he can." Midnight says, a vein throbbing in her head at her friends antics. "He was directly involved in the USJ and... the other thing so he gets more days than some of the others..." Midnight says, realising she can't say exactly what happened because she'd get sued. 

"Other thing?" Hisashi asks, a little confused... okay a lotta confused.

"Legally can't say." Izuku says with a shrug as he looks away.

"You wot?" Hisashi says, blinking and looking at his son."

"You heard me. Can't legally say. I had too sign an NDA." Izuku says, cheeks flushing red.

"... Were you allowed too see a lawyer?" 

"... No."

"Were you allowed too consult your mother?"

"No."

"Then that's illegal. I'll add them too the list."

"Dad don't."

"I will." Izuku's father says, tapping the end of Izuku's nose. Izuku pouts and his dad just hols him close. Making up for lost time from when he was away in America. Izuku isn't complaining though. He's missed him. "Now we must away for Izuku's mental health day." His father says, walking out of teachers lounge and through the corridors, a smile on his face and Izuku on his shoulder. Izuku has the biggest smile on his face. 

Shoto sees the man with blonde hair and blue eyes and Izuku on his shoulder and comes too the only natural conclusion...

That Izuku is L'Million's brother.

Izuku sips his water and clears his throat from the frog in it. His father is glaring at All Might, openly glaring at him. Recovery Girl walks on stage in her regular outfit, it's actually a little stained from something Izuku chooses not too identify. She looks around the set and people and the showboating and lets out a resigned sigh.

"Really Nezu?" She says looking at the principle of the school. Who is dressed in a snazzy little red suit that has actual glitter embroidered into it with a matching glittery red bow tie, undershirt and shoes.

"What? It felt appropriate." Nezu says with a small shrug. Recovery girl huffs out a second resigned sigh. 

"Well," she brandishes a piece of paper, "the results are in and Yagi you ARE in fact Mr Midoriya's father." She says, dropping the piece of paper on the ground and walking off the stage.

There's beat of silence as people process that news.

All Might looks at the man before him who's his son, who he abandoned... and guilt fills him... he left him and then his eyes fix on Midoriya who's trying not too cry as he looks back at All Might. Conflicted and confused because All Might is his Grandfather... and his idol... and a deadbeat dad who dipped on him before he was even born.

"Oh. You owe so much fucking child support." Hisashi Midoriya says with a solemn nod as he looks at All Might.

All Might passes out.

Izuku honestly? Does not blame him because he's pretty sure that he'll join him soon.

Notes:

If wanted I might make a sequel to this... at some point. Maybe... it would involve the fallout of the DNA test, the lawsuits and Hisashi Midoriya getting custody of at least one of his nephews.

Izuku: I don't wanna be just another nepotism baby!
Hisashi: How about I introduce myself to your entire class!
Izuku: *faceplants his desk*

Hisashi to Izuku: No one is gonna harm you, not when I'm around!

Izuku: *swears*
Hisashi: Wait, that's illegal.
Bakugou: Why do I hear boss music?

Hisashi: *sees adults failing Izuku everywhere*
Hisashi: And the list too sue keeps growing.

Recovery Girl: YOU ARE THE FATHER!
Yagi: FUCK!

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