Three housewives, Maya, Ichika, and Kahori, who are neighbors in an apartment, each have a son in the same grade.One day, Kahori has an affair with Maya and Ichika's husbands.When she finds out about it, Maya and Ichika take Kahori's husband as revenge.Then the sons who witnessed the women's part of the mothers could not suppress the rising libido and made them suck the erected meat sticks.Six people who can not go back to each other develop into incest swapping with mother and child mixed up.