Aoi, whose husband was fired from his company and was having trouble making ends meet, came to Ozawa's company for an interview. Although the job was for office work, Ozawa suggested that Aoi work as a secretary. The salary is double, but the mistress contract is included. Even though she is my mistress, we don't have any physical relationship, just kissing. Aoi accepts such conditions for the sake of her life. However, Aoi finds the kiss with Ozawa to be as erotic and pleasurable as the mating of a penis and a pussy, so she breaks her promise and seeks a physical relationship with Ozawa...