The head of the Tatsumi family falls ill and dies after requesting that his son, who disappeared 15 years ago, takes 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 find his son and learn he is now a woman. Meanwhile, the hostile Honjoukai are plotting to steal the Tatsumi family's territory.

The Clan's Heir is a Trans Woman

After the young Himuro (Yasukaze Motomiya) and Tamura (Yoshiyuki Yamaguchi) force a local yakuza family to disband, they leave Yokohama and head to Kobe where they meet members of the Kyowa Clan.

Nihon touitsu

"For us, gangs and yakuza don't matter!" A man who used to be a delinquent in Yokohama eventually becomes a leading figure in unifying Japan's yakuza society.

Unification of Japan

1st in a 6-film series.  The W.R.C. is the largest yakuza-run conglomerate in Japan, and a war for succession begins when the current Chairman suffers a fatal traffic "accident". Tadano (Namioka Kazuki), the secretary to the current Vice-Chair Konno (Noguchi Masahiro), is the only survivor and is haunted by flashbacks. His brother-in-arms, Board Director Umehara (Ozawa Hitoshi), a fellow Zainichi Korean, is in competition with the ruthless Director Tamura (Sugata Shun) for the top spot. The feud is goaded by the secret placement of spies within the WRC by the Tokyo Police's "Unit Zero", spearheaded by the sly Inspector Sano (Shinsui Sanshou), and cracks begin to form in the organization and between brothers ...