my hero academia age regression

🦈bad day💥

Ship: KiriBaku
Little: Bakugou
Caregiver: Kirishima
Little Age: 4

Trigger Warning: There's a deal of swearing in the beginning of this story. My apologies for that.

Note: The beginning of my story mentions a surgery with stitches on Bakugou's chest. I headcanon Bakugou as transgender, which may be present in future stories too, and this surgery was top surgery.

Kirishima's POV

Katsuki and I work at the same agency, and since they know we are married, they made us partners. We're getting home, I drove, because Katsuki is not happy right now. As soon as we walk into the door, he shouts and slams his hand into the wall, making a burn mark in the shape of his hand. Not the first one, and definitely not the last.

"Babe, don't take it out on the house," I say, grabbing his hand. "Talk to me."

"I hate this stupid fucking job, this stupid fucking house, this stupid fucking UGH!!" He screams, ripping away from me.

"Kat, Kat, Kat, stop it," I say, reaching for him again.

"Fuck off, Eijiro! That damn kid could've died!" He shouts, turning his back to me.

"But he didn't," I say, taking my hair out of it's ponytail.

"Because that damned Deku had to be there and save him."

"You can't save everyone, Kat, and you shouldn't be moving so much so soon after your surgery," I say, moving closer to him, helping him take off his tight hero shirt, and look at his stitches on his chest. "You should've taken more time off."

"Fuck off, I'm fine!" He shouts, his eyes starting to tear up.

"C'mon, it's okay, the kids safe, that's what's important," I say, setting my hand on his cheek.

"It's whatever…" He says, looking away, tearing up some more, the tears falling.

"Come here, baby, let's go relax. You've had a busy day," I say, holding his hand, which he holds tightly. I take him over to the couch, and sit down, and he lays on top of me.

"I jus...dont…" He says, softly, not able to form words.

"Shhh…it's okay," I gently caress his cheek, kissing the top of his head.

"But! But I!-"

"Baby, you did so amazing today, you're the best hero ever, no matter what the books say."

He doesn't say anything, just cuddles into me, burying his head into my neck. After staying in that position for a while, he starts to play with my hair, which is pretty long by now. "Dada?" He asks, softly.

"Yes, baby boy?" I ask.

"Can I brush your hair?" He asks, in a really soft voice, kinda scared as if I'd say no.

"Awww, of course, prince, lemme go get the hairbrush," I say, patting his side so he stands up.

"DONT GO!" He shouts, gripping me tighter.

"Okay, okay, baby, you can come with me," I tell him, picking him up, to bring him with me. We go to the bathroom, and he grabs the hairbrush off the counter because my hands are full, because y'know, I'm holding him. We go back to the living room, and I set him on the couch, and sit on the floor, so he can brush my hair. For some reason it always really calms him down. After he gets all the knots from my hair, despite some tugging, and pulling, he's a lot calmer than before.

"Mm, can we have dinner?" He asks, brushing through my layered hair more.

"Of course, wanna have corn dogs?? I think we're out of chicken nuggets."

"N-no nuggies?" He says, his voice low, and let down.

"Oh! Baby, you want nuggets?? How about we change out of our work clothes real quick, and walk down to McDonald's down the street, okay??"

"Mmm...Oki," He says softly, smiling, and I turn around, kissing his knee.