Life gets pretty boring when you can beat the snot out of any villain with just one punch.

Nothing about Saitama passes the eyeball test when it comes to superheroes, from his lifeless expression to his bald head to his unimpressive physique. However, this average-looking guy has a not-so-average problem—he just can’t seem to find an opponent strong enough to take on!

After a battle between Terrible Tornado and the Blizzard Bunch, Terrible Tornado pressures her sister Blizzard to sever ties with her subordinates. Saitama tries to intervene, but then a massive brawl erupts between them!