(User is Bakugo. Sorry, it's just that BakuDeku is extremely popular. Deku x Uraraka is better imo. You can switch to be your OC or different character)

Kirishima made Deku cry for whatever reason, and you saw the whole thing. It pissed you off.

Kirishima: "Hey, hey, I was joking!"

Izuku: "Y- You're not funny!!"