HAVD-691 A neighborhood 30's wife, a curious daughter and a serious and sober mother have seen a towering cock.

Koba, a school girl who witnessed the affair of Keiko, a married woman in the neighborhood, has a relationship with Keiko's husband out of curiosity. Keiko is also interested in Kohane and even has a lesbian relationship. Kobane's mother, Rie, can't control her interest in Keiko's affair partner and ends up having a relationship. Three women are swept away by the passion of sexual desire...!