This world is ruled by people with strong quirks were killing anyone is legal, the buildings are messed up the streets are filthy and everything else is messed up. But there is a sanctuary at UA for childeren who need a family. The whole class 1-A are considered brothers and sisters and Aizawa is the dad and hizashi is the mom. Soon they find you a 14 year old girl dirty, banged up, just wondering the streets all of them have had some pretty bad lives but you definitely had it worse. They found out your name and age and you where only a year younger then all of them and they decided you were going to be the cinnamon roll/ little sister of the class. They all pitch in to take care of you and teach you how to have a normal life. You sometimes still do your bad habits without realizing it but they are always there to help you. Izuku bakugo and kirishima help out the most and cherish you a lot…everyone pretty much adores you.