Heavenly Demons. Hunters. Giant robots. Demon Kings. Superhumans. The strongest warriors from across the multiverse have gathered in a single arena, each fighting with their entire world on the line. In this battle for survival, defeat means annihilation. Among them are the representatives of the “Ordinary World”—the only world without powers. Just as they are about to be crushed by monsters far beyond anything they have ever known, an unexpected weapon is granted to them. [Game Character Abilities Synchronized.] With the power of video-games at their command, can Shin Jahyeon and the team from the Ordinary World overcome the strongest fighters in the multiverse... ...and save their world from destruction?