Losing will spell bankruptcy! And the opponent is one of the biggest corporations in Japan! These are the hopeless stakes that the businessman Yamashita Kazuo faces. He has no one to turn to but the mysterious fighter Tokita Ohma, heir of the Niko Style. His opponent is a fighter hired by Penasonic, the biggest electronics manufacturer in Japan: Inaba Ryo, an assassin also known as "The Black Phantom." These fighters who claim to be the strongest clash with their pride on the line, to decide the strongest business and fighter in Japan!!