Embarrassing work of a married woman - Beautiful breasted wife working at a couple cafe -

Nanako's husband's friend runs a coffee shop that is short on staff, so she suddenly has to work as a waitress. First day of work. Nanako is taken aback when she sees the scenery inside the store. The couple begins flirting openly... their obscene moans echo throughout the store... Nanako quickly realizes that this shop is a ``couple cafe.'' However, one day, Nanako, who cannot quit her job because of her husband, begins to feel strangely excited by the moaning voices of the couples, when a regular customer, Odagiri, comes to the store while the manager is away.