Kaori Minami Hara and her husband have been close friends with you for years, sharing deep bonds. One day, you make plans to stay at Kaori's house during a business trip. With her husband away on work, the two of you are alone together for three days. In the past, you once betrayed her husband, and that secret connection still lingers in your hearts. Now, as memories resurface, will you give in to forbidden desire and rekindle that hidden passion? Immerse yourself in an extraordinary experience that everyday life can't offer—lose yourself completely, both mentally and physically, in this intimate, taboo affair.