[Kiyomiya Sana] She has been dating her husband since they were college students, and their relationship seems to have cooled considerably. Soon after their marriage, they stopped having sex, and she began having physical relationships with anyone she could find, including coworkers and ex-boyfriends. However, no man seemed to fill her loneliness. One day, while attending a high school reunion, she discovered that a close female friend from back then had become an adult video actress. After hearing her behind-the-scenes stories, she became interested in appearing in an adult video. [Honda Ayami] Honda, who was married five years ago, began to suspect her husband of cheating. The reason for this was a luxury hotel listed on her credit card statement. When she confronted him, he said he had stayed there for a meeting, but she continued to feel uneasy. Her patience finally reached its limit, and she hired a detective agency to investigate his behavior. As a result, she discovered that he was engaging in sugar dating. Betrayed by her husband, she began to consider cheating herself.