Eimi, who works as a contract employee at a temporary staffing company, is asked to live with her older sister and her husband for a while in their apartment in order to renew her contract at the Tokyo branch, which has more work to do. In order not to make her brother-in-law, Noriyuki, worry too much, Eimi acts as if she were at home. Although she is my sister-in-law, she is a mature adult woman. Noriyuki was unable to control his manly urges. He threatens Eimi with the embarrassing photos he secretly took...