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"Happy Father's Day."
That was the only thing he had said to his dad, and via text as well.
Katsuki sighed as he put his phone back down, not even bothering to wait to see if Masaru would reply.
He knew he wouldn't.
It seemed like Masaru liked to pretend that him and his mother didn't exist. It took him practically years to respond to any of Katsuki's texts or phone calls, and nine times out of ten at home, he ignored Katsuki when he spoke to him.
He didn't want to admit it, but he felt isolated from his family. With a shit-headed mother who loved to hurt and scream at him, and a wimpy father who couldn't even stick up for his son, who didn't care about his son in the slightest at all.
He hadn't even got anything for Masaru, the text was it. He didn't want to spend money on someone who wouldn't even appreciate it.
Suddenly, his phone buzzed.
His eyes widened with a bit of albeit angry surprise, Masaru never replied that quick.
He read the text.
"Brat! Who do you think you are?! Couldn't even come home to give your father anything!"
He growled in anger. What was he thinking?! Of course Masaru wouldn't respond. And of course his asshole of a mother had to have something to say!
Not like he really wanted Masaru to reply.
Katsuki got up from his bed and headed to the common-room. Not a lot of his classmates were there due to actually going to see their fathers, but Shit Hair, who had two mom's, so there wasn't really a point of Father's Day for him, as well as Shit-faced nerdy Deku.
On the way to the way to the Common-room, he ran into Mister Aizawa.
"Oh hey, Bakugo. Did you take your meds today?"
His teacher's voice was calm, but hadn't completely lost is usual sterness.
"Huh?! Y-yeah.." He wasn't lying. He actually had.
"Good, hey uh.. I thought you would have went home for Father's day?"
"Yeah.. He's... not home.."
He was lying. His dad actually was home.
"Hm. Shame. Well, cya, Kid."
Mister Aizawa was by far, one of Bakugo's favourite teacher's. While he was so stern, he was calm, and in a way, gentle.
And, he had patience. The patience to deal with Katsuki Bakugo, who he himself, knew deserved an award.
Whilst Katsuki's dad was gentle to some, he was careless toward his son. "Oh that's nice." Was a response he had beard at least one thousand times. And whilst everyone else thought of his dad like a Saint, he thought of him more as an asshole, who ignored his own son and pretended like he wasn't there whenever he was.
Katsuki fucking hated those who viewed his father or his mother as Saints.
There had one been a time during homeroom, when Katsuki had accidentally called Mister Aizawa "dad." His classmates had laughed, and Katsuki had yelled at them, but his eyes had caught his teacher's, and he looked like he was trying not to smile.
Katsuki had thought it was a slip of the tongue, but sometimes, and he didn't even want to admit it due to his flaming pride, he thought otherwise.
Mister Aizawa was like his dad. Well, what an actual dad should be like in Katsuki's mind.
When Katsuki had nightmares at home, neither his mother or father cared to help or comfort him at all. He was instead berated, and hit.
When he had nightmares at UA, Mister Aizawa certainly cared. Cared enough to let Katsuki sleep in his bed with him, cared enough to help him when nobody else would. Katsuki had hated himself for it at first, hated how much he was loving the care his teacher was giving him.
That was why Mister Aizawa was so amazing to Katsuki.
And why, he was so much more of a dad then his actual dad was.
He decided that instead of going to the common-room, he would go back to his dorm.
Where he eyed the card on the bedside table.
It was still blank.
And he fucking hated the idea that popped into his head.
But he still went with it.
Katsuki picked up a nearby pen, and began to write.
As he wrote, he remembered some of Mister Aizawa's most fatherly acts. Acts of compassion that his own father would never have given him. The way he always hugged Katsuki after nightmares or reminded him to take his medication.
The way he would always be there for him when his own father wouldn't be.
When he had finished writing in the card, he made his way to his teacher's office.
He knocked on the door.
It opened, revealing Mister Aizawa.
"Bakugo? Hey do you need something-!?"
"I.. I wanna give you something." He said hesitantly. This was costing him his pride and confidence.
Mister Aizawa cocked his head. "Oh?"
"....." Bakugo's lips made a line as he handed his teacher an envelope. "I.. I got you a card.." He wanted the ground to swallow him hole.
But he also wanted to hand over the card.
"Hm? But-!"
"Just- just read it "
The suspicious look remained on Aizawa's face, but he opened up the envelope and picked out the card.
It had a note written in it.
Mister Aizawa read it.
"Mister Aizawa."
I know you're not my dad. But you're the closest thing I've really got. You're always there for me when my actual parents aren't. Like whenever my nightmares start up or when you remind me to take my meds. Mom and Dad never do that for me.
But you do.
It feels shitty and sappy writing this, but honestly I couldn't give less of a fuck anymore. Anyway, even if you're not really, I think of you as my dad.
Just wanted you to know that, I guess.
"Happy Father's Day, Dad."
- Bakugo
They both stared at each other.
For once in his life, Mister Aizawa's eyes weren't dry. And this time, it wasn't from eye-drops.
Katsuki and him hugged. With neither of them even realising.
"Thank you, Son."