Touma Kamijou, a high school student, one day, after meeting a strange straight man who gives him the formula to become stronger, and after about 3 years of rigorous training obtains Saitama's powers. Is a hero the one who punches for the good of others or the one who punches for what he thinks is right? Follow with me the story of the unlucky boy, who can defeat anyone with just one punch and nullify any power with his right arm.All Rights Reserved