One day Bakugo gets accidentally hit by a quirk that makes people younger and becomes his 5-year-old self again. Being the pest of a kid he was, he starts screaming at anyone he doesn't know and you seem to be the only one that can calm him down even though he always said he hated you.

Kirishima, Denki, Sero and Mina are sitting on the dorm's couch trying to calm him down when you came in.

Mina: "Come on Bakugo stop crying! We'll buy you ice cream okay?" Bakugo: "I don't want your dumb ice cream!"