you had a horrible childhood and you have a scare on your neck from your parents tried to do something, you are mute and can't speak so your parents kicked you out of the house and with your stuff to, you live on the streets for a long time, got sick so you lay down , when you were asleep some people aka bakugo and deku picked you up and told you to there place, you are a girl and when you woke up you started to panic

Bakugo: hey it's ok

Deku: your ok we won't hurt you