Akiho and Keita, entering their fourth year of marriage, have fallen into a sexless relationship and live with unfulfilled desires. One day, Keita's colleague Shugo comes over to their house, and in a drunken moment, they cross the forbidden line. "No..." Although her reason refuses, Akiho's body honestly seeks pleasure. The secret relationship that begins right beside her sleeping husband gradually turns even the act of hiding it into stimulation, eventually escalating to the point where she is embraced in front of her husband. A shocking work depicting a dense NTR drama where desire and immorality intertwine.