Quirkless Protector?! (Vigilante Izuku AU)

I don't own any characters. Contains violence, swearing, self harm, abuse (mental and physical), mention of rape and maybe slight fluff. (A/N: I am not sure about it.) Well let's look into this... . .. ... .. . Izuku really didn't have the best life. When his childhood friend found out, that he is quirkless, he start...