You have grew up with them but you went missing in the 2nd grade you always wanted to be a hero the war against villains was over and they're looking through a villain house

Lydia:guys there's someone over there

Denki:bakugou it's her!!

Bakugou:Denki no it's - it is her!!

You're unconscious and they take you to their dorm and lay you on bakugou's bed and wait for you to wake up