In this manga entitled One Punch Man, you will meet Saitama, who coins himself a “superhero for a hobby”. He is onbe superhero who can defeat any opponent, be it strong or weak, with just one, single punch. Roaming around everywhere just to seek for worthy opponents that doesn’t get defeated in a single punch, he met Genos. A reckless cyborg who is looking for another cyborg to get his revenge from killing his family and hometown. Seeing Saitama’s raw prowess has gotten Genos thinking that he should be this man’s disciple. From thereon, Genos and Saitama decided to join the Heroes Association, and they strived to become the top heroes, and Saitama to find a worthy opponent.