Ai Sayama plays a married woman who loves her husband but cannot resist her own sexual frustration! Ai, a wife who is taking care of her husband Tatsuro, who is much older than her, often tries to have sex, but due to his illness, it doesn't work. Then Iida is hospitalized next to them. One day, Ai witnesses Iida masturbating, creating an awkward atmosphere, but the sexually frustrated Ai later shows Iida how she masturbates using her husband's hand as he falls asleep. Then that night, Ai visits Iida's bed while he is sleeping...