orologio en CB01 OFFICIAL. Jun Kokushi, the poster girl of a mahjong parlor, is living a happy life, having arranged to marry Kyosuke, who aspires to become a professional mahjong player. Her father, Tetsuji, used to work as a substitute for the yakuza, but decided to retire after Jun's marriage. One day, Tetsuji is killed by a rival gang's scheme and underhanded tactics...