Since the late 1960s, Naomi Tani had been known as the "Queen of Pink," the most popular actress in the low-budget, independent "pink films" which dominated Japan's domestic cinematic market. Nikkatsu had been trying to recruit Tani into their Roman Porno series for years, but she had always refused since the studio had been reluctant to enter the S&M genre, which was Tani's specialty.
Naomi Tani's reputation as a leading actress in Japan's film industry began to take shape in the late 1960s. Nikkatsu had been trying to recruit her for their Roman Porno series for years, but she had consistently declined due to the studio's reluctance to tackle the S&M genre, which was Tani's specialty.