Pinku from 1969.

A guilt-haunted samurai warrior attempts to stop a massacre taking place.

Kaori, the principal of Tanimoto Gakuen, a major player in the beauty industry, is aiming to expand into Shinjuku in order to make further progress. However, she is overtaken by the president of the Beauty Association and others. Then, a mysterious man, Segiyama, appears before her. He tells Kaori that he will take back the rights to the salon in Shinjuku in exchange for campaign expenses.

A reformed bartender is blackmailed into aiding a heist by former gang associates, leading to betrayal, violence, and the collapse of his hopes for a new life.