After his sister's death, y/n didn't know what to do. He was alone again, and he'd failed in his duty at being a big brother. But the new owner at the Mega pizzaplex would not leave him alone, insisting that he come by. finally just to get her to shut up, he gathered the guts to go back to the place his sister had died at.

(Y/N) a hero in the hero association: Class A rank #9. Your hero name is Overdose. You have psychic powers, the strongest yet, so strong, you can lift Saitama with ease, but this attracts attention, and you are bound to have company 18+ LANGUAGE INVOLVED, YOU HAVE BEEN WARNED ALSO A TON OF SEVEN DEADLY SINS/NANATSU NO TAIZAI REFERENCES!