A post apocalyptic struggle between the three groups of North American survivors — a military society called “The Amtrak Federation”, the mutes (the survivors of American poor neighborhoods), and Ne Issan (former Japanese who sailed from Japan when their islands were flooded).
- 1983: Cloud
Warrior - 1985: First
Family - 1987: Iron
Master - 1988: Blood
River - 1989: Death-Bringer
- 1990: Earth-Thunder