Battles Without Honor and Humanity: Aftermath (その後の仁義なき戦い), Eiichi Kudo, 1979

Two Kyushubased yakuza groups are desperate for domination of the area. When more powerful yakuza groups get involved in their power struggle, a group of childhood friends, belonging to different yakuza families, are caught in the middle. Lies, deceit, and backstabbing are in play resulting in a bloodbath and a quest for revenge