
Acting
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Asamura Kitaro (Ozawa Kazuyoshi), a young assistant head of the Toyukai, is known in Kabukicho as the one-eyed Kitaro, and is feared as a mad dog that will not stop once he loses his temper. Asamura is strong in fighting but not in making money, and together with his brother Matsuo, he forcibly takes on the business of the rival Nishinaga clan. The Nishinaga clan tries to take Asamura's sister, Yuna, a singer, hostage, but Asamura retaliates against them and kills many members of the clan. When Asamura is arrested for murder, his timing is so good that he begins to suspect a connection between the police and Nishinaga-gumi.

After taking out Sakashita, head of the Sakashita-gumi in Fukui, Himuro (Yasukaze Motomiya) learns from Kawatani (Hitoshi Ozawa) that the true mastermind behind the attack on Kyowakai Chairman Kudo (Hakuryu) is Fukumoto (Keiji Matsuda), the second chairman of the West Japan Mutsumikai. Kyowakai formally declares war on the West Japan Mutsumikai. Under Kawatani’s orders, Himuro and his men move to bring Nagoya and Gifu, Kyoto, and Hokuriku under Kyowakai control. However, Toki, head of the Toki-gumi, who rules Gifu, learns that the killing of his sworn brother Sakashita was the work of Kyowakai—and begins resisting them.

Second film in the 'Conquest' series.

Himuro (Yasukaze Motomiya), wakagashira assistant of Kyowakai, and Tamura (Yoshiyuki Yamaguchi) eliminate Fukumoto, chairman of the West Japan Mutsumikai, in a chaotic firefight. Himuro’s nephew Sugaya is killed protecting him, leaving Himuro devastated. Taking responsibility for Zaizen’s assassination plot, Kudo retires. After absorbing the West Japan Mutsumikai, Kyowakai enters a new era under third chairman Kawatani (Hitoshi Ozawa). In the east, Takishima retires as Marugami-kai chairman and Mita becomes second chairman, leaving Kyowakai and Marugami-kai as the two dominant forces. Munakata (Takanori Kikuchi), assistant to the Marugami-kai chairman, is released from prison and reunited with Kawatani and Himuro, recalling their shared past. As Kyowakai restructures, Kawatani delivers a shocking message to Himuro.

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 ...

2nd film in a 6-part series. Shock and suspicions circulate in the aftermath of the death of the WRC Chairman, and the competition between Umehara (Ozawa Hitoshi) and Tamura (Sugata Shun) begins in earnest. An internal spy was discovered and executed, but rumours of another one circulates the WRC and plagues the guilty conscience of Tadano (Namioka Kazuki). However, the interference of the Chinese Mafia is discovered, and Umehara has suspicions about Tamura's involvement with them ...

3rd film in a 6-part series. Umehara (Ozawa Hitoshi) finds further proof of the internal spy within the WRC organisation's ranks, and moves in to expose the traitor, concerned more with the protection of the organization and his brotherhood than the Chairman's seat itself. Meanwhile, Tamura (Sugata Shun), partners with the Chinese mafia to further plague - if not eliminate - Umehara's faction. Meanwhile, Tadano (Namioka Kazuki), beginning to buckle under pressure, visits the hideout of Yuko (Sasaki Kokone) who is revealed to be part of the mysterious Unit Zero and becomes face-to-face with Inspector Sano (Shinsui Sanshou) ...

The 4th entry in a 6-part series. Searching for more information about the spy within the WRC and needing networks and leverage to do so, Umehara (Ozawa Hitoshi) takes off to South Korea with his loyal second, Han (Yamaguchi Yoshiyuki) in tow. Meanwhile, Director Tamura (Sugata Shun), contacts Inspector Sano (Shinsui Sanshou) with info on Umehara's movements to bring his downfall. And Tadano (Namioka Kazuki) still pursues the truth about the "accident" he survived, and the burgeoning memory of a familiar pair of silhouettes ...

The 5th film in a 6-part series. After his beloved Ji-hyun (Otsuka Rina) is murdered, Umehara (Ozawa Hitoshi) hides his grief while searching for the spy, armed now with information from the North Koreans. Tadano (Namioka Kazuki), who is indeed one of the WRC embedded spies, is informed by Inspector Sano (Shinsui Sanshou) that his record in the police database has been erased. Meanwhile, Umehara is arrested by Sano at the scene of a transaction with the Hong Kong mafia, and the goods in question are the trigger point where all factions begin to collide and the truth emerges from the wreckage...

The first 'Strong Man' film.
