Kichiku dai enkai (1997)

Director: Kazuyoshi Kumakiri
Cast: Kentaro Ogiso, Manabu Senda, Shigeru Bokuda, Shunsuke Sawada, Sumiko Mikami, Taira Tsutomu, Tomohiro Zaimae, Toshiyuki Sugihara

Synopsis:

While the leader is in jail, his leftist group is controlled by his girlfriend, but her leadership lacks conviction and perspective. When the leader commits suicide in prison, despair and confusion rule the group and revenge and violence erupts in graphic way.