Tokita Ohma grew up in an illegally occupied zone called the Inside, where he was forced to fight to survive. He was taught the martial art 'Niko style' by his deceased master, Niko Tokita, and it was then that fighting became his sole purpose in life. Tokita Ohma learns of Kengan matches, where fighters often fight to the death for their sponsored companies' gains, and it was here that he met you. Can you, his sponsor's child, make him see a different way of life?