THE MHA COLLECTION .

LIKE ONE OF MY OWN

adult!kirishima x mom!reader
*haikyuu x mha crossover

"Mommy!" Your son, Hayate exclaimed as he ran from his father's arms and full speed towards you.

You plucked him up off the ground and into your arms, showering his plump little face with kisses.

"Did you enjoy time with daddy?" You glanced up at Terushima, who had his arms crossed in front of him and a faint smile on his face.

"Yes, yes! Daddy and I did a lot of things! We-"

"I'm so excited to hear about it, lovely. Go get in the car, okay? I'm coming right behind you." You let Hayate down and watched as he scurried away into the car. You locked the door behind him.

"So..." Terushima started.

"Thank you for making time for him today. It really meant a lot to him." You said in the most genuine way possible. No matter the terms ended between you and him, it never got in the way of the shared love you had for Hayate.

"Right, um... You doin' anything later?" You were used to hearing this phrase a few hundred times only to turn him down right after. Ever since you ended the harmful relationship, you tried for so long to build up the strength the move on with yourself and your son, and after a while of waiting, you found him. Your Mr. Perfect. He's always made you happy and never did you wrong and you were grateful for that. Grateful for someone like him. But he wasn't like Terushima. Yes, he was your first and you never forget those, especially when you have a child with them, but you just could not deal with all that you were forced to put up with in the name of "love". In the name of "young love", rather. Your new partner wasn't like Terushima and you weren't the only one to acknowledge that either.

"Teru..." You started, dreading what you knew was about to come next

"I know, I know. I'm sorry. You'll probably be busy."

"What do you want?" You asked, now agitated.

"I just wanted to see if we can hang out or something. As friends..." He looked down at his shoes and stuffed his hands into the pockets of his jeans. There was no doubt that he was still struggling to hang onto something that wasn't there. But what could you do about that? You've moved on from the emotional turmoil and was not jumping back into anything like that anytime soon.

"The last time we 'did something as friends' I got pregnant." His face went pale.

"Yeah, I know but,"

"No, Yūji." Back then, he was only used to you calling him by his first name when you were in love with him. Now he sees you using it as some kind of threat. "I'll talk to you later."

As you're driving home, Hayate takes the opportunity to tell you all about his day with his father. You couldn't help but smile at your baby's excitement and you were beyond glad that Terushima was finally making an effort to spend time with him. It wasn't always like this but you didn't want to dwell too much on the past.

By the time Hayate finished, you had pulled up into the driveway. 'kiri's home.'  you thought as your smile widened.

"Mommy, look! Kiri's home!" Hayate got out the car and began to run briskly to the front door when Kirishima appeared from behind something in the garage and scooped up the laughing child.

"Hey, kiddo! How was school?"

"School was amazing! I had a good day." Kirishima ruffled the child's hair.

"I'm so glad to hear that! You're gonna tell me all about it later, right?" Hayate nodded vigorously before being let down. "Good, good."

You gathered your things before getting out the car and locking it behind you.

"Hi, baby." You walked up to Kirishima and pecked his lips.

"Hey! How was work?" He asked as he took your bag from your hands and slung it over his shoulder.

"It was... work." You giggled. Being around Kirishima just lightened your mood. You didn't know exactly what it was but he just seemed to make you happy without barely doing anything.

He hummed in response.

"Kiri, Kiri!" Hayate tugged at the hem of his shorts.

"What's up?"

"Do you want to play Mario Kart with me later?"

"Aw man, do I? We can go right now! I'll race you." The two boys bolted into the house from the garage door as you watched, with a smile still lingering on your face. You loved the relationship that Kirishima had with your son. It only added to his perfectness and it made you feel at ease knowing that you're with a guy that you can trust your kid around. You noticed that he didn't miss treating Hayate as if he were his own with the way he played with him, talked with him, and gave him just as much affection as you did.

You felt that Kirishima accepted your son and that made you so happy you could cry.

'He'd make a great father.' You thought.