Shuichi and Airi are a married couple who got married a year and a half ago. - However, she once had a past working in a sex shop. - And she was threatened that she would now disperse her past to her husbands friend Nakahata. - Her secret condition is physical relationship Airi who responds to an affair with a man in order to protect a happy life. - Despite her apologies for her husband, her nasty stimulus causes her body to react. - Such a wifes NTR day.