Maki, a wife who spends her time looking after her husband, is frustrated with her feelings. The only way to let off some steam is to go to a massage parlor. The manager is a gentlemanly middle-aged man who is a source of comfort to Maki. One day, the manager invites her out to dinner, and Maki is Kokoro. Maki puts on heavier makeup than usual and heads to the restaurant. However, the man who shows up is a dull young man who is also a virgin. After the young man throws a tantrum, they end up having sex just once, but... this young man is not normal!!