Eimi, who is a contract employee of a temporary agency, decided to live with her sister and her husband for a while in order to renew the contract with the Tokyo branch office, which has a lot of work. In order not to disturb her brother-in-law, Noriyuki, she behaves as if she were at home. A mature adult woman, albeit her sister-in-law. Noriyuki couldn't control his manly urges. He threatened Eimi with embarrassing photos she took secretly.
