Prologue

Y/n Sento, a boy who really admired the work of heroes he had seen so far especially his big sister. He always wanted to be a hero like her but his quirk is not really the hero type. Yes, it's very strong but also very dangerous so because of that, he doesn't have much friends except for one and that's his best friend.

Then something happen that turned his world upside down. Will he be able to reach his dream? or leave it behind like it was nothing. All because of one mistake the heroes made that complete change his mind and himself.

(Pics aren't mine. They belong to there owners)