Alien invaders take over Great Mazinger who is at the entrance of a museum next to Mazinger Z as symbols of peace. Grendizer fights the evil invaders...
Doi of the Maeda Construction Company's Advertising group has little passion for his work. One day the group's leader Asagawa declares, "Let's build...
Developed from Japanium ore is the super energy, Photon Power. Seeking this energy is Dr. Hell, a madman craving world domination who along with his...