The head of the Tatsumi family falls ill and dies after telling his son(Bell), who disappeared 15 years ago, to take over. The Tatsumi family, including the young head Ryu, decides to search for his son's whereabouts in order to keep his will. They finally found his son and learn he is actually a shemale. Meanwhile, the hostile Honjoukai are plotting to steal the Tatsumi family's territory.