#kid midoriya

[talimlbcnart]

▪︎ Childhood Friends AU ▪︎

The universe was very generous to Shouto.

The same can't be said for Deku XD.

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[pinkykats-place]

BakuDeku Fic Recs ft. de-aged Deku

archive of our own

Disclaimers!

None of the stories linked are mine.

All are SFW. Gif not mine.

Note: If you read any of these stories and like them please let the author know with a kudos and/or comment!

Child's Play by stardustacademia

Summary: Izuku comes back to the dorm as a child. Katsuki is his impromptu caretaker.

One Shot | SFW

just—right by rollingchibi

Summary: Katsuki is nowhere near well-rested enough to deal with any of this, and yet here he is--saddled with a responsibility that he most definitely does not want to deal with. Somedays he wishes he just hadn't woken up.

One Shot | SFW

Chalk Hearts On Concrete by SashaDistan

Summary: Deku is a good guy, a good Hero-in-training, and he will do almost anything to make a lost kid smile and stop crying. Which is how Katsuki ended up here: with a Quirk de-aged three-nearly-four year old Izuku clutching his arm and shrieking with delight that he gets to hang out with Kacchan and learn about cool Hero things.

But it's just for the day, hopefully. How long can one day with a small child last?

One Shot | SFW

Cherry-Stained Constellations by bi_focal

Summary: IcyHot wandered in with tiny hands gripping his hair from above like a lifeline. Katsuki let his gaze track slowly upward to the green hair and puffy eyes attached to those hands. “Kacchan!” The tiny boy squirmed in the air in a way that made him look like a beached fish, one hand outstretched and making a grabbing motion towards Katsuki.

— — —

OR Izuku gets de-aged for a few hours

One Shot | SFW

Prince Charming by Roya1Gir1

Summary: After the big bad guy was defeated by Izuku—or her brother is what she called him—everything settled down more. She was able to go play with Mirio and Izuku anytime she wanted! It was amazing! All Eri had to do was looked at her Aizawa—or her dad—and ask sweetly,

“Can I go play with Deku?” She smiled sweetly after the words left her lips. Aizawa just rolled his tired eyes and pulled out his phone.

Within ten minutes, there was a knock on the door. Eri squealed in delight and raced over to the door to knock four times back. She waited five seconds then two knocks came back. That gave her permission to open the door.

Izuku smiled brightly as he bent down to accept her hug, “Eri! I missed you!” He laughed, picking her up and placing her on his hip. This time though... Izuku wasn’t alone.

That was the first time she really met Katsuki.

One Shot | SFW

Weekend at Bakugou's by cat5gale

Summary: While out on patrol as part of a work study Midoriya gets hit with a Quirk that temporarily reverts him to being 4 years old.

Now the only person at UA Izuku remembers is Kacchan!

Bakugou has to step up as the #1 babysitter, and he gets by with a little help from his friends.

Complete | 19 Chapters | SFW

You’re It For Me, Baby by klutzuki

Summary: “What’s wrong?”

“The drug raid went perfectly as planned and no one’s injured,” that puts his nerves to ease by just a bit. Eri continues, “But Deku nii-chan is… um…”

“He’s what?”

“De-aged.”

”What?”

— — —

Alternatively, Izuku gets de-aged to when he was a fledgling hero and Katsuki gets to love him like he always wanted to.

Incomplete | 6/? CH | Pro Hero au

Rated - SFW

As the years hours go by by pidge_it_up

Summary: “Give him to me!” Katsuki stepped forward.

Aizawa snapped his head to him and frowned. Katsuki knew what he was thinking. He knew what everyone in that room was thinking. Bakugou? Be trusted with a baby? No. No, thank you. He hated babies, or at least that’s what it looked like.

He can barely interact with kids older than 5, that can talk and be their own person. But babies? There wasn’t a baby that hasn’t cried in his arms.

But this wasn’t a. baby. This was Izuku.

Izuku gets into a quirk accident and turns into a baby, getting to live 17 years of his life in only a day, and Katsuki sure as hell will be there for him the right way this time.

{One Shot}

Rated - Teen & Up

Redrawing The Past by KayKeiChan

Summary: Class 1-A is stunned when Midoriya suddenly becomes a child, but what's MORE surprising is how happy he is around Bakugou. And Bakugou is ok with it?? How does Bakugou really feel when confronted with the child who idolized him, before all the insults and bullying? And how will he feel when he realizes what little Deku felt about him at that time?

Complete | 3 Chapters

Rated - Teen & Up

Shortstack by Roya1Gir1

Summary: The scream that rang through the boys' part of the dorms was terrifying, Bakugo jumped out of bed and into a fight stance. He glanced around his dark room to see there was no one there, he straightened and walked to his door, opening it.

“Bro! What the hell was that?!” Kirishima asked as he opened his door, his red hair laid flat against his forehead and his clothes wrinkled from sleep.

“Everyone stay calm!” Iida walked quickly by them.

“Tch.” Bakugo rolled his eyes but jumped slightly as the screaming started again. “What the fuck!” He stalked down the hallway where the screaming grew louder.

“Dang! Someone dying?” Denki yawned as he stretched in his doorway.

{One Shot}

Rated - Teen & Up

If I could only take it back by miraculousemily47

Summary: When Midoriya is hit with a quirk that turns him thirteen years old again, Bakugou and the rest of Class 2-A soon come to realize that the Midoriya they have come to love is not the Midoriya he once was...

Complete | 4 Chapters

Rated - Teen & Up

A Big Little Surprise by EmeraldEyed28

Summary: A small change of action at the USJ leads to a vastly different set of events. When Izuku finds himself in a situation he didn't expect he turns to the one person he's known forever.

What was Katsuki suppose to do? He heard a small voice screaming "Kachhan!" and his body just… moved.

Incomplete | 9/? Chapters

Rated - Teen & Up

photo album by ashenice

Summary: They ran into Shinsou on their way out of the cafeteria. He greeted them, then eyed Bakugo.

"Does Bakugo have a child slung over his shoulder?"

"Unfortunately." Bakugo muttered.

"Is that Midoriya?"

Uraraka smiled at him weakly.

"Yes. Look don't even ask."

"He's been a pain in my fucking ass." Bakugo snarled.

"Oh." Shinsou considered that.

"Do you want me to brainwash him?"

{One Shot}

Rated - Teen & Up

Recess by EnduringParadox

Summary: "Don't scare him, Bakugou!"

At that, he growled and examined the child version of Izuku in his arms. "You scared of me?" he asked. It was a possibility. His hero costume had been made to look intimidating. Sometimes kids cried—the younger ones, who were startled by explosions and shouting. Not much he could do about the former, but the latter he was working on.

This Izuku seemed to be about—probably five or so. And when he tried to remember Izuku at five years old he mainly recalled shoving him into the dirt and telling him to piss off while Izuku—Deku, then—cried, tears streaming down his face, and asked him to wait up, to let him join their games, to stop being mean.

He swallowed. Yeah, it was a possibility.

But Izuku vigorously shook his head. "Nuh-uh! Kacchan's amazing!" He had not stopped smiling since he'd laid eyes on Katsuki.

Well, that answered that question. "Suck on that shit," he drawled at his classmates.

---

A quirk accident turns Izuku into a five year old for the day. Katsuki is determined to make it the best day ever.

{One Shot}

Rated - Teen & Up

Reminiscing is a Pain by meow_z_z_z

Summary: Izuku wouldn’t ever admit that he believes the world kinda has it out for him but he would never disagree with someone who claimed it did. In truth it had been a normal day. He woke up, went to school, got picked on, wasn’t asked to hang out with anyone afterwards, and went home nursing a good couple of new bruises. When he got home he went to his room, notebook ready, and watched a bunch of Hero videos. That’s when normal went to Really-Not-Normal and he found himself thrust into a situation where he is surrounded by a bunch of Heroes he’s never seen before and… Kachan?!

— — —

Or: Izuku is hit with a de-aging Quirk, cries way too many times, and finally gets the apology he deserves. (Even though it's now canon that Kachan apologized just like I knew he always would.)

{One Shot}

Rated - Teen & Up

Baby Izuku in UA by ElStark

Summary: Tiny quick pitter-patter precedes a giggle, and a shouted,

“Kacchan!! Kacchan look!!”

Katsuki does and gets hit with the adorable vision of little Izuku wearing an all might onesie.

“I’M HERE!”

-

Short Episodes of Kacchan taking care of a de-aged Izuku in UA: Lots of fluff, a bit of angst, more fluff : )

WIP | 5/? Chapters

Rated - General Audiences

Small Hero by FluffyLemonPie

Summary: Izuku got de-aged due to a villain's quirk and called his boyfriend for help.

{One Shot}

Rated - General Audiences

How The Tables Turn by justateenyproblem

Summary: “Where the fuck is he?” Bakugo grumbled to himself. Class was about to start, and Izuku was yet to arrive. He didn’t have more than two minutes till Yamada sensei came in. His boyfriend was always on time. Well, that’s a lie. He’s only ever late when he’s gotten himself into fuck knows what. He knew that Deku could handle himself, that shitty Nerd wasn’t All Might’s protege for nothing, but Deku hadn’t even left the school grounds. Much less the building. The Blond had seen him in the cafeteria. The Nerd even stayed a bit longer than Bakugo to talk with his friends, but Round Cheeks, Four Eyes, and Icy Hot were all there. Bakugo bit his tongue.

“Bakugo!” He whipped his head toward the doorway, making eye contact with a highly frazzled Kaminari. Bakugo narrowed his eyes as Dunce Face gestured for him to go over there. He elected to avoid making a scene. He didn’t need any of the extras involved in his business any more than they currently were.

“The fuck do you-”

“Kacchan!” Bakugo was rudely interrupted by a small child. A small child with dark green, unruly curls, and matching eyes. Fuck.

Complete | 2 Chapters

Rated - Teen & Up

a gift from the past by sarqcsm

Summary: Katsuki grunted, pushing through the ever-increasing wall of extras before a small, hoarse voice coming from within the crowd froze him in place. “W..where’s Kacchan..?! Where’s my mama?!”

No. Fucking. Way.

Uraraka fell backwards, gasping. Todoroki stared at the little boy under him, absolutely dumbstruck. “You.. you’re Midoriya, right?”

Katsuki shoved Todoroki to the side, “Get– outta my way–!” The blond heaved, his ruby eyes locking with the wider, emerald eyes in front, or below, him. What he saw literally made his heart skip a beat, and not in the romantic sense, because What. The. Fuck. Izuku, who was sixteen not even five minutes ago, looked just like he was when he was four.

-or-

In which Midoriya Izuku is turned four years old because of a Quirk accident at school, and Bakugou Katsuki is the one meant to babysit him until he reverts.

Incomplete | 4/? Chapters

Last Updated Feb. 2024

Rated - General Audiences

Small Might by RohanBerry

Summary: Izuku gets hit by a de-aging Quirk, luckily Katsuki is there to help.

One Shot | SFW

[anultstanforanything]

They are ADORABLE!!!! I feel like imma die by their cuteness

[adooble]

midoriya-sensei art dump

[novaneondream]

it’s our turn to make you smile

[spinji]

What do you MEAN Izuku's only trauma response to anything he's gone through was remembering when Bakugou sacrificed himself for him!?

[whalbi]

Overtime at UA for Deku Sensei!

[amie-bkdk]

Some more kid!bkdk 🫶🥰

Based on that Lilo and Stitch scene

[teaposee]

He’s using a voice changer trust…

I’d like to think that, not quite getting that he’s been thrust into the future, bakugo would be like: Well I don’t know this guy.. must not be That big of a deal 🙄.

And be somewhat uncooperative along with a little bit of a menace

1 / 2 / 3

[herbarimoon]

Day 1 - Kids

"Surrender all your candies!"

[clawz-loopz]

Thinking about WC crossover and how deku and bakugou would have cat fights every day :(

[adooble]

spice tolerance

[novaneondream]

Im still here btw

[firesmokeandashes]

Mha "could've been canon" quotes/scenarios

Fake Deku: *walks into the common room and over to Katsuki*

Fake Deku: "Hey Bakugou! Want to go spa-"

Half of class 1 a: *suddenly jumps the fake deku*

Fake Deku: "Wait! What are you guys doing! Get off me!"

Ochako: "Cut the bullshit, we know you're not Deku"

Fake Deku: *detransforms into some random villain*

Villain: "But how? I haven't done anything out of the ordinary!"

Todoroki: "Midoriya never calls Bakugou, Bakugou"

Tenya: "In fact we're not entirely sure he knows how to say Bakugo's real name"

Katsuki: Besides, danger sense would have alerted Izuku before everyone jumped you and gotten out of the way. So really you're just stupid"

Jirou: "Wait, sense this guy isn't Deku-"

Momo: "Where's the real one!?"

●●●●●●●

Meanwhile at the villain's hideout:

Izuku: "So you see, you can be whatever you want to be, you don't have to be a villain"

Villain 1: *sniffling* "That's so deep man"

Villain 2: *crying* "No one's ever told us that before! Thank you!"

Villain 3: *sobbing uncontrollably* "Thank you so much! Im gonna turn my whole life around now, I promise!"

Villain 4: *sitting in a corner contemplating their life choices and having a mental crisis*

Izuku: *slightly flustered* "There's really no need to thank me! You guys should have been told all this from the beginning!"

All four villains: *thinking* 'And he's humble too!'

●●●●●●●

Back at UA:

Aizawa: "So you mean to tell me he's been missing for FIVE HOURS!?"

Katsuki: *frustrated sigh* Yeah"

Aizawa: *insert groan of dissapointed and frustration*

Aizawa's phone: *rings*

Aizawa: "What!?"

Villain 1: "Um, is this Erasurehead?"

Aizawa: "Yes, what do want? I'm in the middle of important business!"

Villain 1: "Well, you see, we have one of your students, Midoriya, and we want to know where we should drop him off at?"

Aizawa: "...."

Aizawa: "What do mean 'drop him off at'"?

Villain 1: Well, he kind of gave us a talk about how we don't need to be villains and now we all feel bad about the stuff we did and want to give him back to you"

Aizawa: *sighs tiredly while dragging his hand down his face*

Aizawa: "Meet me at the abandoned choclate factory over on 15th street"

Villain 1: "Okay! Yeah, we can do that and I just want to say how sorry we are for kidnapping him! We're fully expecting to be arrested when we get there, so don't worry about us putting up a fight"

Aizawa: *sighs tiredly and hangs up*

Katsuki who listened to the whole conversation on speaker phone: "So he did it again?"

Aizawa: "Yup."

Katsuki: "And now you have to call the police and do more paperwork than you want to?"

Aizawa: "Yup."

Katsuki: "Want me to go with you to pick him up or..."

Aizawa: "Yes, lord knows he's gonna need someone to talk to on the way back and I cannot deal with him right now."

Katsuki: "So... what do we do with this guy?"

Katsuki: *jabs finger towards the shapeshifing villain who is tied and gagged with sero's tape snd spewing muffled curses at them*

Aizawa:"Hand him over to campus security and let them take care of him"

Katsuki: *nods and drags the screaming villain out the door with him*

Aizawa: "Im getting too old for this"

●●●●●

Later at the abandoned Chocolate Factory:

Aizawa, Katsuki, and a handful of cops walk into the Factory:

Izuku: *jumping up and down while waving his hand*

Cops: *rush over to arrest the villains*

Izuku: "Sensei! Kacchan!! Over here!"

Katsuki: "We know, idiot! We aren't blind!"

Villain 1 being arrested: *whispering* That's 'Kacchan'? I thought he'd be nicer"

Villains 2-4 also being arrested: *nod in agreement*

Izuku: *bounds over to Aizawa and Katsuki*

Izuku: "Sensei! Kacchan! You're not going to believe the day I've had!"

Izuku: *begins rambling*

Aizawa looks tiredly at Katsuki: "You take care of him, I have a big enough headache as it is"

Katsuki: *nods and turns back to listen to Izuku's rant and scold him for being reckless and getting in trouble again*

■■■■■■■

[nimuello]

so the new chapter is out and i'm never going to emotionally recover

[seleoipe]

a ghost and his wolf bestfriend !