Life gets pretty boring when you can beat the snot out of any villain with just one punch.An emergency summons gathers Class S heroes at headquarters…and Saitama tags along. There, they learn that the great seer Shibabawa left the following prophecy: “The Earth is in danger!” What in the world is going to happen?!An emergency summons gathers Class S heroes at headquarters…and Saitama tags along. There, they learn that the great seer Shibabawa left the following prophecy: “The Earth is in danger!” What in the world is going to happen?!