Yuna is a housewife, and she is experiencing peaceful and happy days with her husband. However, for the past three years, Yuna's husband has not touched her body at all. Not only that, but he often watches sex films or reads erotic stories instead of being intimate with her. Despite her efforts to wear very sexy pajamas, it has no effect. One day, Yuna's husband invited his colleague Nakajima over to their house. When drunk, Nakajima has a bad habit of groping others, and he squeezed Yuna's butt right in front of her husband. Yuna appeared to resist, but her body reacted to Nakajima's hand, causing Yuna's husband to have extremely perverse thoughts. In fact, Yuna's husband knows he cannot satisfy her. Therefore, he would rather masturbate than be intimate with her but still be unable to make her climax. Now, seeing Yuna's expression, her husband understands that her sexual desire is very high, and Nakajima could completely satisfy that desire! The next day, Yuna's husband suggested that Nakajima continue to grope her, and then gradually move towards being intimate with her, helping her fulfill her needs after three years. Meanwhile, Yuna's husband would pretend to be drunk, secretly watching his wife being taken by someone else while he masturbates...