I have a fiance who I've been dating for five years.'' After sex, while immersed in the afterglow of pleasure, she confessed the truth. Ayako Kanzaki, 24 years old. Occupation: Nurse. Ayako's heartbreak during her high school days left her traumatized and unable to truly love a man. One night, she has a physical relationship with Kazuma, a doctor who works at the same hospital and is a self-proclaimed genius surgeon. Ayako learns that her fiancé is the man on her bed, and continues their relationship with her as a ``love game'' to distract her from the aching and lonely feeling in her body. However, one day she realizes that Ayako has loved him with all her heart. A feeling she can't let go of. An adulterous relationship that you can't get out of. The more I think of you, the more words I can't say... "Ayako, I want you" "...a cunning man" "Yes, I'm a cunning man. It's because Ayako makes me lustful" --- An ambiguous relationship is fine. "Kazuma... break me in your arms..." A pure love born in an impure relationship called adultery. A forbidden love story between a doctor and a nurse that unfolds while involving the people around them.