I Reject Both Good and Evil (My Hero Academia x Male Reader)

Ever since Y/n was a young boy he had a soft spot and rooted for the villains to win at least just once but at too young an age he found out just how unfair and cruel the world was, people will always root for good to win and it always does leaving evil with nothing but scraps. After standing up to a bully and beating them in a fight he's expelled from school and shunned by his parents so he runs away, eventually he manages to find the No.4 Hero Silverfang and after the Hero admires Y/n's confidence and courage he agrees to take him in and train him in the ways of his Dojo. Soon after that Y/n proved himself to be a prodigy quickly mastering Bang's martial arts and becoming his best student but eventually Y/n decides he has nothing left to learn at Bang's Dojo and when Bang is gone one day Y/n decides to fight and beat all of Bang's students mercilessly before disappearing. Now about a year later Y/n is back and begins his fight against both Heros and Villains not cause he wants to be a Hero or a Villain but to prove to the world that even the once weak can become strong.