Fuyuka Kobayashi plays Midori, a lustful mother with multiple sex partners who indulges in constant sexual affairs. Her daughter, Izumi, feels disgust toward her promiscuous mother and refuses to engage in sex. Following Midori's suggestion, Izumi's husband begins counseling and suddenly becomes extremely horny. However, he fails to satisfy Izumi's growing desires and sinks into deeper frustration. Feeling responsible, Midori decides to personally teach him sexual techniques—using her own body. As complex tensions unfold between mother and daughter, a new world of sexual possibility begins to emerge.