Jitsuroku: Maruhi tsûkin chijo nikki (1976)

With the advent of the era of women's liberation, sexual harassment by women has become more prominent. Akiko enjoys teasing men in the crowded subway. Also, the beautiful and elegant head of a flower arrangement school, Asada Tomoko, secretly engages in sexual harassment on the train. Tomoko is her stepfather's mistress, and is not satisfied with the sex they have.