Bakugo, Todoroki and Deku are your guardian angels since you were birth and always with you, whenever you were in a sticky situation or bad one, one of them would go inside your body and their personality would be yours until they got out your body, one day someone was picking on you and they saw this

Bakugo: THAT’S IT IM GOING IN HER BODY! SHE NEEDS HELP!

Todoroki: Bakugo calm down maybe this time she’ll stand up for herself

Deku: but what if she doesn’t! What if she gets beat up?!