Pinky Violence Films are "sexed up, bad girl action films" by the Toei studios. Generally the genre is also considered to include Teruo Ishii’s Tokugawa/Torture epics from the late 60’s, which put the genre on the world map. Pinky Violence flourished for the next 10 years and came to its end in the late 70’s.
Roman Porno: In 1971 Takashi Itamochi, president of Nikkatsu, Japan's oldest major film studio, decided to stop his own company's involvement with action films and start making sexploitation films. These movies often dealt with S & M scenarios.