Aoki Ryusei SPT Layzner (TV)
On the 6th of October 1996, the boys and girls of the "Cosmic Culture Club", which was sponsored by the Unitied Nations, arrived at Mars. Then, they received attacks from a mysterious mobile weapon, SPT. When they were driven to the wall, Eiji who was a boy came from the planet Grados helped them. He was a mixed blood of Earthian and Gradosian, and he came there to tell that Earth would be attacked by Grados. Although they couldn’t trust Eiji thoroughly, they helped each other and set out on a hard journey for the Earth.