Surrounded by heroes, Garo finds himself in a tight spot. Despite the overwhelming numbers, he defeats the heroes one by one with his unmatched strength before Genos comes rushing in! Meanwhile, Saitama is reaching the height of irritation in his own battle with King.

Despite just finishing a martial arts tournament and immediately dealing with the Monster Association invasion, Saitama still proves to be so incredibly strong that he feels empty inside. King lectures him on how to live like a hero, but it doesn't help. Meanwhile, servants of the Monster Association close in on Speed-o'-Sound Sonic!

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?! -- VIZ Media