Meat has been kidnapped by Iron Mask. In order to save Meat, the treasure of Inmora Island is needed. Furthermore, the treasure is hidden in the Seven Story Tower, which is guarded by the brutal Warrior Choujins. When Kinnikuman asks Terryman and the Justice Choujin to help him, for some reason they all refuse. Alone, Kinnikuman heads to Inmora Island to fight the Warrior Chōjin and is overwhelmed by their great numbers.