Katsuki was playing in the park with one of his friends until a izuku came up to them. Now with katsuki being the kid he is he thought this was some random guy so he did what anyone would do. AND LIT THE FUCK OUTTA HIM LIKE BOOM BOOM BOOM.
Anyway izuku was standing there unfazed and just raised an eyebrow at him.
"Who are you!?"
"Its me kacchan. Izuku midoriya."
"How did you get that big!?"
"Quirk"
Katsuki just stood where he was.
"My quirk is better then your-"
Epic but I rushed the last bit