What It Takes To Be a Hero

Shinsou Hitoshi at first glance seems like a cold, determined and unreachable guy. Focused on his dream to become a hero. Kaminari Denki attempts to befriend him only to be turned down again and again. Just as he gives up Aizawa asks Kaminari to hopefully make his way through Shinsous walls and help him be warmer towards others. Things begin to blossom between them and Shinsou's past is unearthed.

Maybe Shinsou already knows Kaminari but how could that be when this is the first time meeting eachother?