you've been in a mental hospital since you were 14. And before that you were in UA. It's been 4 years and you finally came out

Class 1A, your class, were going on a school trip and decided to bring you with as a surprise for the others

You were sitting in the back of the bus, no one has noticed you yet

Mina: "IM SOOOO EXCITED!!" she smiles

Bakugou: "shut up, jeez, my ears"

Kirishima: "calm down, Bakugou, this'll be fun!!"

Denki: "yeah!"