In the aftermath of a great supernatual war, one of the few forms of entertainment is a fighting tournament between users of "Ryoga", a mystical power that manifest souls as a suit of mechanized battle armor. Eight warriors enter the tournament; some seek fame and fortune, some seek a better life, and some simply fight for the thrill.

In the aftermath of a great supernatual war, one of the few forms of entertainment is a fighting tournament between users of "Ryoga", a mystical power that manifest souls as a suit of mechanized battle armor. Eight warriors enter the tournament; some seek fame and fortune, some seek a better life, and some simply fight for the thrill.