Ai Sayama enthusiastically plays a married woman who loves her husband but cannot resist her frustration! Ai, a wife who cares for her husband, Tatsuro, who is a year away, often tries to have sexual intercourse, but it does not go well probably because of illness. Iida will be hospitalized next to them. One day, Ai witnesses Iida's Senzuri and it becomes an awkward atmosphere, but frustrated love shows Iida a masturbation using the hand of her husband who falls asleep afterwards. And that night, Ai visits Iida's bed where she is sleeping ...