You should read The Kitten Hero first then read this. Izuku 'Deku' Midoriya died while trying to save Eri from Overhaul. Todoroki doesn't truly believe that Deku is dead. Class 1-A is put in a unwanted game. And the Villains, they want to be the first ones to get the body.

Izuku 'Deku' Midoriya was abused since he was 4 and then he was kicked out of the at 6. Deku's quirk is Transformation, he can turn into any animal he wants aslong he sees ii the drawback is if he stays in the form for more than 16 hours than his mind becomes like the animal he was transformed into for an hour.