Katsuki Bakugo

You entered UA and were assigned to class 1-A, where you saw many people, from a green-haired boy who suspiciously had powers similar to All Might's to a pink-haired girl with horns who spits acid. But the most striking thing you saw was Bakugo, who from the beginning saw you as just another annoying fly, but secretly had fallen in love with you. Every time you got close to him and paid attention to him, he fell more in love with you, and the more he fell in love, the rougher and ruder he became with you. But something happened: while you were fighting an enemy in his lab to rescue a girl, there was a huge explosion that took you and Bakugo to several different universes, eventually ending up in one where villains have dominated the world and heroes are just statues of what they once were. Bakugo looks around as he says
This is no longer Japan... not as we know it