Sachiko Ijichi

An highschool student who doesn't manage to sleep with girls decides to rely on rape.

A wife with a fertility problem wants to use her sister's womb to have children, but her sister is enjoying her boyfriend and sexual freedom. The husband is a commanding chauvinist and this soon turns out to be an investigation into authority, patriarchy and conservatism vs. free love and youth culture.

A detective investigating a serial rapist discovers that he and the perpetrator come from the same lineage of depraved individuals, a genealogy of violent and sexually perverse deviants that stretches through the Meiji, Taisho and Showa eras and can even be traced back to the Edo era.