Osamu Kobayashi

When the Earth is threatened by an evil alien, a group of UN scientists travels to the lost city of Atlantis, where they unearth a superhuman mummy.

Prince Joldy discovers the iron giant, Galient, which legends say will appear and cleanse the world of darkness. Now the mecha’s pilot, Joldy must fight against the conqueror Mardoul to liberate his kingdom and reclaim his birthright.