In the near future, humans find themselves in need to participate in an intergalactic competition against other aliens in an event called the 'World Game'.  This event allows planetary powers to settle conflicts without initiating massive calamities through war. Lumia is a Lyceta being from inner earth that has come up to assist humanity in this struggle by collecting human warriors who will incarnate into mythological demi-gods of ancient times. Shun and Ramses are two of the most promising warriors from earth, and together with Lumia they must train to defeat the powerful aliens that threaten the safety of earth.