Naho has been married for three years with no financial troubles, but her relationship with her husband has grown cold and they are sexless. One day, while doing housework, she watches a live stream of a kiss with a man from the underworld and gets aroused. In the heat of the moment, she contacts the man from the underworld, Himorin. When her husband goes on a business trip, she invites Himorin to her home and experiences intense kissing.