Prologue: part one

Eight years ago Aizawa adopted his two problem children after saving the two of them in an alleyway. Izuku was a quirkless boy and had no memory except for his first name, and Hitoshi had no family. As the entrance exam starts for UA Aizawa finds his quiet little family suddenly turned upside down when Izuku suddenly has a dangerous bone-breaking quirk.

What's more: Aizawa is sure that Hitoshi is hiding something as the school year drags on.

And why is that Bakugo dangerously adamant that he knows Izuku?

and why didn't Nedzu put Izuku and Hitoshi in 1-B?!