Notes: Here you are! I did four versions so choose your pick! Or have all of them! Whatever you want!
Summary: Ever imagined what it's like if Saitama had a younger brother? Well here you'll be meeting Y/n, one of his three adopted younger brothers who possessed inhuman strength that surpasses anything just like him but it turns out he had a few gifts from his biological parents which turned him into a narcissist with god complex. How will the world cope with one of the two strongest not only being a narcissist but has a huge issue of god complex?