Nikkatsu had started its SM line of Roman porno films in 1974 with the hits
Flower and Snake and
Wife to Be Sacrificed both featuring actress
Naomi Tani and directed by
Masaru Konuma. After this first highly successful venture into sexual violence, the studio's output became increasingly rougher. These would be comparable to the U.S. "roughies" film genre, violent and misogynistic, but without the whips, bondage and other traditional accoutrements of the S&M genre. Hasebe had worked with the studio in the 1960s during their "Nikkatsu Action" era, but was not comfortable with the
pink film genre to which the studio had turned with the inception of the Roman porno series in 1971. Reluctant to work in the sex film genre, Hasebe later recalled warning the studio, "Are you sure you want me?... You must be aware-- my craft is very bloody." Itō had been Hasebe's assistant director on the
Alleycat Rock series. In 1976 Hasebe turned out the first two "Violent Pink" films,
Rape! and
Assault! Jack the Ripper. Due to the box-office success of these films, Nikkatsu assigned him more work in the genre. Nervous about the film's graphic violence, Nikkatsu re-edited it before giving it a theatrical release. "offensively appalling", The controversy surrounding the film was similar to that in the U.S. following the release of
I Spit on Your Grave a year later in 1978. ==Critical appraisal==