Aries: Kaminari
He was in one of his wheeey moments and got mad at you for no reason

Taurus: Bakugo
You ate his food which had his name on it but you didn't give a fuck

Gemini: Jiro
You accidentally broke her guitar

Cancer: Tetsutetsu
As I joke you said "Yeah! We'll fight!" but you then denied so that was payback

Leo: Sato
You didn't try his cake with the other girls
(The question is which one?)

Virgo: Monoma
You thought class 1A was cool

Libra: Momo
You flunked a test she helped you study hours for

Scorpio: Mineta
You caught him playing with Momo's hair once and he told you to not tell anyone and you did and.... well.....

Saggitaroius: Kendo
You called 1B students idiots

Capricorn: Midoriya
He just doesn't like you

Aquarius: Hatsume
She was testing one of her "babies" on you

Pisces: Tsuyu
You ate all of her chocolate pudding she made at 4am because she lost control of her life