Izuku Midoriya, a weak and quirkless boy, is obsessed with the number 1 hero All Might. Izuku is the biggest fanboy of All Might and even aspires to be a hero himself. Once he comes of age however, Izuku figures out that he infact is quirkless and cannot become a hero. Until one day, Katsuki Bakugo, Izuku's bully, gets trapped by a villain and Izuku meets his idol.