Tobaku Datenroku Kaiji: Kazuya-hen

Following the conclusion of the third part, Kaiji returns home with Kazuya, the son of Chairman Hyoudou, after defeating President Muraoka in a two-player mahjong match. During the ride, Kazuya proposes a final gambling opportunity for the evening, which Kaiji agrees to. The nature of this new gamble and its consequences remain unknown.