Wild Spirit (1967)

Original title: 残侠あばれ肌

It has been 5 years since Eijiro Kikukawa of the Asakusa Kaminarimon family killed the head of the Suzaki family. Finally he gets out of prison and comes to the city of Odahama, where he had a mistress, Okei, whom he could not forget. He accidentally helped a man named Hanji from the Kurokane family and was received by the family as a guest. And soon Eijiro is involved in a showdown between the yakuza families.