It is the first Toei yakuza film directed by Akinori Matsuo who was active in Nikkatsu action movies It is a local yakuza movie made following Okinawa Yakuza War 1976 and Hokuriku Proxy War 1977 The film depicts the war between a storied yakuza killer Hiroki Matsukata and the largest organized crime group in the Kansai region which plans to advance into the Kanto region