In a corner of the world there is an archipelago that has been isolated for several hundred years; until now. A mysterious phenomenon triggered a mutation in living beings transforming them into monsters that eventually formed an organized civilization in which they work, study, fall in love, have friends and of course enemies. Day after day they fight among themselves for the leadership of the islands leading to organized fights between their champions. However, their greatest fighters have begun to disappear, some say they have seen beings moving on strange metal islands near the borders of the archipelago and believe that may be the cause of the disappearances. Has a new common enemy arrived?
Is it time for the Glu Glus to unite?