The Sakuramichi-gumi is a major yakuza organization in the Kanto region. The conflict between Ishikawa and Kawachi, the second-generation leaders of the Kai-gumi, over the succession, and Onizuka, a western assassin aiming for nationwide domination, is escalating. Amidst this turmoil, the Kai-gumi believes that Ryu, a young mahjong player recognized by the previous leader, holds the key to resolving the situation, and requests a meeting with him…