MHA Age Regression Oneshots 💛

MomoJirou

A/N: I've neglected my other account for this book for weeks now and it feels so weird that it's switched up. Anyways, enjoy the story!

Requested by: l1ttl3l1lly

UNEDITED

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It was a rainy night at UA high and Jirou was enjoying relaxing in her room with her noise-canceling headphones. Since her hearing was so enhanced due to her quirk, she always had to have them on during storms. The loud cracks of thunder and rain beating against the windows were just too overstimulating for her.

She was comfortably regressed and watching Big Hero 6 on her laptop while cuddled up in her nest of stuffies. Truthfully, she really wanted her momma but she had to be a big girl and be patient while Momo finished up some homework before she could come over. So for the time being, Jirou was vibing in her room and enjoying a little alone time.

Now, unbeknownst to Jirou, the group chat was blowing up her phone asking where she was and if she wanted to join them in the common room for a movie night. When Jirou is regressed, she mutes every notification except for her momma. Which meant that she was completely unaware of her friend's, now panicked, messages.

They all knew about and supported her regression but that possibility had completely slipped their minds. So, being as worried as they were, they decided to make their way up to her dorm and see what was going on. At the same time, Momo had finished up her work and was on her way to her dorm as well.

The way Jirou was situated on her bed, her back was towards the door and, because of her headphones, she had no idea anyone had come into her room or even knocked on her door.

" Hey, Jirou!" Kirishima shouted, trying to grab her attention. Obviously, she didn't hear him. He tried again. Still, no luck. So, he decided to grab her shoulder to pull her attention to him.

He patted her shoulder, a little more rough than he intended to. Jirou wasn't expecting the touch so she jumped, startled. She quickly turned and looked up at her friend group. When did they get there?

Momo walked in right on time, Jirou was starting to panic. She was so deep in her headspace that, when Kirishima touched her, it threw her into fight or flight and the rush of adrenaline was getting to her now.

Her breathing picked up and she began slipping deeper and deeper until all she could do was cry from the overwhelming feelings. " Move, out out out. Let me handle this, come back later." Momo pushed the group out of the room and quickly brought all of her attention back to her baby.

" Hey, sweetheart, it's momma. Can I touch you?" she asked. Jirou nodded and reached her arms up for her caregiver. Momo quickly sat down on the bed and gently pulled Jirou into her lap. She slowly began rocking her back and forth, shushing her.

" You're okay, darling. Can you tell momma how old you are?" Jirou couldn't answer. She couldn't think much, just scared, cuddle momma. So her mental age wasn't really something on her radar.

All the answer she could provide was a blank stare up at her caregiver. Which, of course, Momo understood. " Oh, you're just my little baby girl, aren't you?" Jirou nodded, hugging her caregiver tighter.

Momo chuckled, her little was just too cute. " I'm here, princess. Momma's gotcha, you're ok." she soothed. Jirou's shoulders started to drop, she was definitely feeling better now that she had her momma.

" That's it, lovely. Good girl," she said, rubbing Jirou's back. Jirou pulled her head from Momo's neck and wiped the tears from her eyes. Momo made a couple of tissues and helped her little blow her nose.

" There's my pretty girl, feeling better?" Jirou nodded. She opened her mouth to say something but stopped herself. Momo didn't want to push but she wanted to make sure she was alright.

She pushed Jirou's hair out of her face and behind her ear. " What was that, sugar?" she asked. It was also clear that, because of how young she was, Jirou would have a hard time speaking.

The little stayed silent for a moment. She was trying to talk but it was proving to be far more difficult than she imagined it would be. " It's ok, sweetheart, you don't have to talk. Just let momma take care of you," she said. Jirou let out a cute little huff of frustration but ultimately decided she didn't want to fight it.

" Do you wanna go say hi to your friends, baby?" Jirou thought for a moment. Her friends really scared her. She knew it wasn't on purpose but it was still scary. Momo was patient waiting for her response, she didn't want to pressure her into something she didn't want to do.

" You don't have to if you don't want to, baby girl." after some thought, Jirou decided she did want to see her friends. She missed them and she wanted to play!

She looked up at Momo and nodded, the caregiver understanding the response. " Alright, my love, how about we get you a paci and head downstairs, sound good?" Jirou, again, nodded. She was doing an excited little wiggle in her momma's lap. Momo laughed and stood with Jirou in her arms.

...

" I hope Jirou's ok, I didn't mean to scare her so bad," Kirishima said, slumping further into the couch. The movie had been turned off long ago, the friend group just sitting and talking now.

" I know, hun. I'm sure she's fine," Mina said, rubbing Kirishima's back.

" Yeah, man, Momo's got her. It was just a little scare, she's alright." just as Sero finished talking, Momo walked into the room with Jirou in her arms.

Mina was the first to see them come in, she stood and walked over to them. " Well hello, darling! Are you feeling better?" she asked, smiling at Jirou. The little nodded and shifted her gaze from Mina to Kirishima.

She noticed that he looked particularly upset and she didn't like that. Jirou looked up at Momo and then back to Kirishima. He hadn't even noticed her looking at him, he was too ashamed to greet them when they came in like the rest of the group. Jirou pointed to Kirishima, silently asking her caregiver to bring her over to him.

Momo understood her request and walked her over to her friend. " Hey, Kiri, I think someone wants to say hi," Mina said. Kirishima looked up and saw Momo and Jirou standing in front of him.

Jirou looked down at him and put her hands out to him, asking him to hold her. Of course, he couldn't deny her the request so he allowed Momo to put her down in his arms. " Hello, little pebble," he said. Jirou smiled at him and began babbling to him.

She was trying to tell him she was ok and she wasn't upset at him for scaring her earlier but the words were proving difficult to articulate. " Darling, I don't think Kiri can understand you," Momo said. She sat down on the couch next to them and patted Jirou's leg.

Jirou huffed and grumpily looked away, crossing her arms. Everyone found that far more adorable than she intended it to be. Clearly, no one was going to understand her words so she decided actions would be better.

She let herself pout for a few more seconds but then turned to face Kirishima. He smiled a toothy smile at her, to which she returned the gesture. After a second, she leaned over and gave him three little kisses on his cheek to show she wasn't upset.

The whole room cooed at her, happy that she wasn't upset. " Would you like to play, sugar?" Sero asked from across the room. Jirou perked up at that, she loved playtime with the class.

Kirishima laughed at her reaction, " I'll take that as a yes. What should we play, princess?"

...

The group played together for a while before Momo decided it was time for some dinner. She went off into the kitchen to cook while the rest of the class watched her baby. She was so grateful for them, they really were the best friends anyone could ask for. 💛

A/N: Ok this really sucks, I'm very sorry but I wanted to get it out. Thanks for reading!!