Shin Nanaoka

In a 1963 review of this film for the Naigai Times, Minoru Murai coined the term "Pink film" by suggesting a "Pink Ribbon prize" should be awarded to these softcore erotic productions, which were known as "Eroductions" in the 1960s.

LEAD TOMBSTONE tracks the progress of a young sociopathic rake who had, immediately post-WW2, rescued his country farmer mother from rape by stabbing the offending American soldier in the back with a pitchfork. Once grown, the boy continues his violent life as a hoodlum on the run, repaying an outlaw couple who have sheltered him by raping the wife, then, at his boss’s behest, murdering the husband. He’s also not above strangling a girl in her bathtub for kicks. The one spot of normalcy in his life is his shop girl girlfriend, an innocent who, once she discovers his other life, confronts his boss… (from OUTLAW MASTERS OF JAPANESE CINEMA by Chris D)

A blackmarketeer and his mistress try to swindle people at a hot-spring resort, but are thwarted by the local inhabitants.

Pink film directed by Kôji Seki.

Pink film directed by Kôji Seki.

Pinku from 1968.