Wife Swapping: Shameful Madness (1998)

Narumi, a newlywed wife, is also passive about sex. Her husband Yōsuke is told by Mai, a secretary who has relationships with executives, that “a woman has the face of both a lady and a prostitute.” Narumi, who once hunted for men through a telephone club, is now in a relationship with Yōsuke’s boss, Tajima. When she is held by him, Narumi has the face of a prostitute. Yōsuke finds contraceptives and flashy underwear in Narumi’s room and his suspicions deepen. Narumi tries to break off her relationship with Tajima, but his actions escalate…