Baby Daddy Chronicles
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A Tomura Shigaraki parent Oneshot
You forced Tomura to spend some alone time with his year old son while you went out with a couple of friends for a girls night out. He realises how difficult parenthood can really be.
Inspired by @wornoutmouse
Word count: I have no idea but I’m pretty sure it’s a lot. Way more than I expected.
Warnings: None, just Papa Shiggy trying to figure out how to please and get along with his son.
This is targeted towards Black readers, but the reader insert is able to fit with anyone.
Key: b/n = baby’s name.
“It won’t stop staring at me.” He told you on the phone as he carefully watched his crawling child from the other side of the room. Chewing on one of his soft baby toys with his toothless gums as drool gathered around his small mouth.
You scoffed on the other side of the phone line. “It? Tomura that’s your son you know? And he literally just turned one last week. What is he supposed to do? Do cartwheels around the house?” You laughed, resulting in a groan from your baby daddy.
Tomura nearly jumped out of the grey sofa as his son began to slowly crawl towards him. He noticed the small, h/c haired, curly headed infant had one of his red shoes in his hands and quickly pulled it out of the child’s small fingers before he could start sucking on it. “He’s been doing the same thing for nearly an hour, it’s really creepy.”
“Welcome to parenthood. If you were around often, you’d see b/n does that all the time.” You sighed.
Shigaraki saw that the child was about to cry and pulled him up onto the sofa, his pinky fingers pointing away from the mini body as to assure that his quirk wouldn’t activate. “It’s not my fault I’m always at meetings, the league needs me y/n.”
“Well your son needs you more. You should’ve thought about all of that before and pulled out fast enough. Anyway, I’ve gotta go, have fun! I’ll be back in a couple of hours!” Before he could say anything you hung up, Shigaraki slumped his body down into the soft cushions as his child continued to stare at him with crimson eyes, just like his own, like he was some sort stranger.
This was the first time he’d ever been alone with his toddler. Ever since the kid was born, he had always left you to deal with the parent stuff while he was busy coming up with ideas to take down the corrupt hero society. Occasionally coming round with diapers, clothes, food, money and other things needed so you and his child were living comfortably.
It’s not like he didn’t want to be around his son, but it was more of a fear. He didn’t exactly have a good upbringing himself, he was new to all of this and thought he wasn’t good enough to be a father or he wasn’t prepared to take on such responsibilities of caring for a small infant.
Although you constantly reassured him that it was all going to be okay, he was afraid he wouldn’t be able to show love to the child. And that he would probably grow up resenting his father, or worse…end up just like him.
He was snapped out of his thoughts when he felt his son crawl out of his arms and land bottom first onto the wooden floor, he tried to pick him back up when the child began to fidget and whine beneath him.
“Oh come on little guy, can’t you see I’m trying to make sure you don’t get yourself into trouble.” The baby smacked his muscular arm and began to crawl back to his original space, picking up one of those small All Might action figures you brought for him out of spite and smack it head first against the floor.
Shigaraki chuckled and scooted towards his son on the floor, attempting to take the toy out of his hand before being met with a small palm against his soft cheek. “Alright! I’ll leave you to keep destroying your little figure. I guess we have at least one thing in common hm?”
A gentle, warming smile appeared on Tomura’s face as the toddler began to loudly giggle, grinning wide with soft gums in amusement while he smashed the figure’s head on the floor with even more force. His father’s heart warmed at the sight of this, not only did his son also hate all might for some reason, but he found joy in destroying things to make him happy.
You would be pissed if you saw Shigaraki finding amusement in shamelessly entertaining the child’s activities, but you weren’t here. To your baby daddy, it was just him and his sons little secret.
However, his smile was quickly faded when the baby began to loudly cry. On normal occasions, he’d just step back and wait for you to deal with your son while he made his way to the balcony due to the fact he hated such noises.
But unfortunately this wasn’t the case. Tomura would have to man up, and deal with whatever was troubling his son like a responsible parent.
Only…he couldn’t think of anything.
You fed him before you went out. And made sure you had stocks of perpetrated milk in the fridge in case he got hungry, and his favourite show that made Tomura rip out strands of his white hair from the annoying rhymes was on the television at normal volume, so what could possibly be causing his son such agitation?
It was only until Shigaraki picked up his boy and was met with a strong, putrid smell from the boy’s diaper that he finally knew. And he wasn’t looking forward to solving the unfortunate problem.
~~~~~~~~
Holding the boy with eight fingers, the older male quickly rushed to his room and placed him on the changing mat. Tomura wasn’t exactly a fan of changing nappies, he always left it for you to do. He didn’t even know what way to put a nappy on a child, both sides were to insure that the baby waste didn’t spread anywhere else so why did he have to care what side he put it on?
After stripping the baby and realising he was completely lost on what to do next, there was only one person he knew could call at this time of the evening. Small coos and groans could be heard from the small boy as he held one foot high in the air with the other in his mouth.
“Look, cut me some slack okay? Your mother usually does this type of stuff.” He told the child as he began to call Dabi. He was the eldest out of his siblings, so he definitely knew how to change a diaper right? He must have the experience.
After almost two minutes of constant transfers to voicemail, the black haired male finally picked up his phone with a loud irritated groan. “What the fuck do you want? I’m sort of in the middle of something here.”
Tomura didn’t ask or even want to know what his partner was in the middle of, when dealing with such a lazy manwhore like Dabi, who knows what he’s up to most of the time. “Do you know how to change a diaper? The kid took a dump and y/n usually deals with stuff like this.”
Shigaraki was met with a huge guffaw of laughter from Dabi after explaining his current, serious situation and started to get annoyed. This was no laughing matter. “What? Seriously? Please tell me you’re joking boss, you don’t know how to change a diaper? Have you been living under a rock or something?”
“Just shut your mouth and tell me how to do this shit, I don’t have time for your jokes.” Tomura rasped, scratching his neck in frustration as his associate continued to mock him. “Fine alright I’ll help, this is why b/n can always count on his uncle Dabi.”
Shigaraki suddenly quirked an eyebrow and screwed his face. “Wait. Who said you’re his uncle? Cause I sure as hell didn’t.”
“Um, your baby momma. I was literally the first person to go to the hospital and see the kid, I’m practically his certified god father. Put some respect on my name Shiggy.” Dabi clapped back, sounding quite offended.
“Whatever, just tell me how to change this thing. I swear this parent thing is starting to get on my last nerves.” He complained, rubbing the side of his head and letting out a heavy sigh.
“Should’ve pulled out.”
“For fuck sak- JUST TELL ME HOW TO DO IT ALREADY!” He yelled, startling the baby and resulting in a small cry. His father quickly pulled out one of his soft chew toys and put it in his hand, calming the little boy down.
“Alright relax. So the first thing you’re gonna wanna do is take off the diaper, remove those little sticky bits.” Dabi begun to explain, Tomura put the phone on loud speaker and set it by b/n’s little head. He removed the tape from the front of the diaper and pulled the front down.
Being met with a strong stench, he put that front of his hoodie over his nose in attempt to block out the smell. “Yeah I did that, what next?”
“Pick up a few baby wipes and clean him and his mess up, and I mean CLEAN him, he might get a rash of you don’t. and make sure you do it from top to bottom.” Dabi spoke in a serious tone. Tomura nodded and began to wipe all of the poop away, he started to get a hang of it after a few swipes and smiled at his new accomplishment.
He was finally getting this whole dad thing under control, it was one of his great successes next to that one time he and the LOV fought the entire liberation front with hardly any sleep.
He was quite proud of himself. “Yeah I cleaned him up, next ashtray?”
“Clean him more, make sure there’s nothing there. Then you’re gonna have to put the wipes in the dirty diaper and wrap it up.” Tomura gave b/n a final wipe down with a warm wet, rag and placed the used wipes into the dirty nappy, using the sticky sides to hold everything in place when he wrapped it up and threw it in a plastic bag.
He didn’t notice his son slowly crawling away naked with the phone until he glanced back, he scooped the child up with one hand and placed him back onto the mat. “I haven’t finished just yet, stay here. You can hold the phone for me alright.” He giggled and tapped b/n’s button nose before resuming. “So what should I do after that?”
“Well you put a fresh diaper back on the kid and put his clothes back on.” Dabi lazily responded, Shigaraki picked up the diaper and was met with confusion as he tried to figure out what side went where. “I’m gonna need you to elaborate for me, I don’t know how to put it on.”
“There’s absolutely no way that you’re being serious right now… where are you when y/n does this?” The male on the other side of the phone slapped and shook his head in huge disappointment. What kind of father doesn’t know how to put on a diaper? “I have better things to do than deal with dirty diapers. You, of all people should know this.”
“And I thought y/n having a kid would change you, jeez you’re so cold boss.” Dabi said subtly, not knowing his words would land a critical hit on Tomura’s heart.
“I know I haven’t been father of the year, but I’m trying change that. So how do you do it?” He mumbled with a click of his tongue, feeling quite guilty at the fact that Dabi was right. Of course he’d been there to provide for his little boy, but when it got to important moments like this, he was always quick to run away and avoid catering to his son’s needs at all costs.
A simple job for you, yet a complete and utter hassle for him was an eye opener that he needed to have a change of attitude towards b/n.
“The side with the sticky part goes at the back and the soft side goes at the front.” Dabi answered and yawned into the mic, his hot breath blowing loudly through the phone with a static like sound causing Tomura’s son to shake the phone out of innocent curiosity.
After a few long and complicated seconds that felt like an eternity, Shigaraki was able to successfully put b/n into a fresh diaper. He put on a fresh pair of purple space pyjamas onto the little boy and hoisted him over his shoulder.
“Aye well done boss, you aren’t just a deadbeat father after all!” Dabi playfully clapped his hands together and jokingly cheered for his boss, successfully earning a long eye roll from the annoyed male who sucked his teeth.
“I was never a deadbeat, respect me.” Tomura frowned.
“Well Now you’re done, I’m gonna go back to doing what I was doing. Give my nephew a little kiss on the forehead from his favourite uncle okay?”
“Oh fuck right off.” Tomura grinned, patting b/n on the back as he him bounced around. “Fine be like that asshole, you’re just jealous that his favourite uncle has always got his back.”
“And his only father does too. Don’t I little man? Don’t I? Your daddy’s got you!” He cooed at the baby in his arms, who giggled and gripped at his hoodie.
Feeling grossed out at his boss’ sudden kindness, Dabi said his final goodbyes.“You’re so weird. It’s scary hearing you all happy and shit. Anyway I’m out, bye.” And with that; he hung up the phone. Leaving Tomura and his mini version of himself to hang out.
Tomura held the baby high in the air, chuckling to himself as mini feet kicked and flew all over the place in a fit of excitement. “So now that we’ve finally got that out of the way, what are me and you gonna do next hm?”
~~~~~~~~
After nearly an hour and a half of his father kindly entertaining the toddler with various, safe, ‘anti villain activities’, which is what you liked to call them, b/n started crying again. At this point Tomura had gotten used to his son’s yelling, carefully picking up the child and rocking him on his shoulder as he walked to the kitchen.
He put b/n into his blue and red high chair and pulled out his own seat, rummaging through the cabinets where you kept the baby food. “The last time I gave you your bottle, you threw it at my head. So pick between these two.” He pulled out a jar of mashed Carrot and peas, and apple purée.
B/n reached for the apple purée with his small hands and began to use his gums to bite on the lid, indicating to his father of his chosen meal for the evening.
“Good choice.” Tomura smiled and opened the jar, scooping up some of the purée with a plastic baby spoon and putting it into his Son’s mouth. “Ah, so now you’re not being all fussy. All you wanted was a little food huh?”
“Woah, don’t eat too fast, you might get the hiccups kid.” After Tomura waited for son to swallow his food, b/n soon opened his mouth and awaited another spoon full of apple sauce.
All this praise came to a stop when the infant spat out his mouthful of food. Tiny chunks of apple sauce covered Shigaraki’s frowning face as he sat in his seat frozen from shock, the little boy couldn’t help but laugh at his father’s reaction, that’s what kids do after all.
He stood up from his seat and picked up the nearest clean cloth to wipe his face and hoodie. “You try so hard to make my life difficult don’t you?” He sighed at a occupied b/n trying to get the last of his apple sauce from the almost empty jar with his little hand.
Tomura immediately came to assist him and scraped the leftover purée from inside of the jar and plopped it into the baby’s mouth.
“I guess I’ve gotta clean you up now. Your mum should be home soon.” He said checking his wrist watch. He cleaned his child’s hands and face with a baby wipe before he picked him up and went back into your living room.
~~~~~~~~
In order to keep the kid distracted while he cleaned up the living room which was filled with all of b/n’s little toys laying around, Tomura went through some of the CDs you had given him before you left.
In the end, he decided on Shrek 2. Tomura remembered how you always put it on for b/n whenever you were busy with work or house chores so he wouldn’t trouble you too much. “This should be fun, it’s your favourite movie right?”
B/n clapped for joy with his petite palms as he watched his father slip the disk into the DVD player and patiently waited for it to load as his guardian went into the other room to collect cleaning supplies.
Instead of watching the film, he watched Shigaraki with wide red eyes begin to put all of his teddy bears, action figures and electronic toys into his big customised wooden toy box situated in the corner of your living room.
Once he noticed that his father was done cleaning, He crawled towards the couch and held his hands up as an indication for him to be picked up. “All you have to do as ask y’know. Come on, I know you can do it. Just say something to me, Anything kid.”
One of Shigaraki’s goals was to be the one to inspire his Son’s first words. When you weren’t around, he always tried to get him to say crazy things such as ‘I hate All Might!’ or ‘Decay!’ But so far he hasn’t been successful. It wasn’t going to stop him from trying though.
If the kid could crawl, he could definitely try and talk.
“So you’re not gonna talk for me? Okay then little guy, come here.” He said in a slightly disappointed tone and brought his child up onto his lap, holding him in place with his strong arms as they both sat in silence watching Shrek shout at Donkey for no particular reason.
It reminded him about his relationship with Dabi and the others, they’d talk about absolute nonsense during meeting and he’d always tell them to shut up and focus on the main planning. He was a really tough leader, but secretly had a soft spot for each and every one of them. Just like he had a soft spot for you.
“Looks like after tormenting me all day, someone’s tired.” Shigaraki whispered as his son began to yawn and turn into his chest for comfort. He removed his hoodie and put it over b/n’s body, leaving himself with nothing but a white vest and grey jogging bottoms to get comfortable in.
He could feel himself slowly drifting off to sleep, he was really tired after spending the day taking care of the mischievous b/n. However, he had to ensure his little one was resting smoothly before he could take his own nap, so stayed up for another half hour.
Running his three fingers along the infants small back as he coed and dribbled over his fathers chest, before falling into a deep sleep.
And once he was satisfied, Shigaraki too slowly fell into slumber just minutes later.
No heavy or deep thoughts, just him and his adorable, innocent sleeping son on the small couch.
~~~~~~~~
“Shig? I’m back.” You yelled as you stepped through the front door, wondering what was currently occupying your boyfriend and your child.
“Hello? Is anyone here?” You called out again when you failed to receive a first response.
“B/n. Your mother’s home, where are you my favourite little guy? Hm?” You slipped off your shoes and coat, placed them on the floor and coat hanger before walking further into your home.
It was unusually quiet, from the last time you spoke to Tomura on the phone, you were expecting quite the opposite. B/n crawling up and down the apartment while his father tried to catch him, little toys everywhere, but it wasn’t the case.
Instead, the place was completely spotless and you were shocked to see your baby boy sleeping peacefully on top of his father’s chest, curled up in a little ball with his resting dad still holding him with one arm. It was such a beautiful sight to walk into.
Attempting to make as little noise as possible to ensure you didn’t wake the two males, you picked up a large nearby blanket and put it over them. The foreign object was enough for a half a sleep Tomura to flutter his eyes and smile at your presence that he missed so much.
“Did I do okay?”
You moved small strands of white hair away from his face before placing a soft kiss against his slightly sweaty forehead as he fell back into deep sleep.
“You did great Tomu.”


















