The Mahoujin Guru Guru manga has been adapted anew. After long periods of captivity, the seal that held captive demon king Giri has finally been broken. Despite his initial reluctance, Nike, a young boy, has been chosen as the hero to embark on the traditional RPG quest of saving the world. Joining him on this journey is Kukuri, the last surviving member of the group that had imprisoned Giri using dark magic.