It's been one year since that day when I was forced to drink an aphrodisiac on a local business trip with my worst ex-boyfriend "Yoshino" and spent the worst night ... Miyajima marries his colleague Akaki. However, since then, Miyajima, who has been addicted to the pleasure of aphrodisiacs, has continued to have an affair with Yoshino without telling her husband. - And the unpredictable, climax of the Kimeseku shared room NTR shock ...