In fact, many married women are sexually frustrated. Mio, who had been thinking "I want to try threesomes" while watching an adult video, contacted a manufacturer about such a married woman. She has never cheated before because rumors spread easily in her hometown. With such thoughts in mind, she decided to move to Tokyo. On the first day they met, they filmed sex and went home, but later she contacted him and said "I want to try threesomes after all"...!?