Ayaka is a beautiful, kind-hearted, and family-oriented wife whom her husband is proud of. However, Ayaka has a secret that her husband doesnot know. The truth is that she is a sex addict who is deeply immersed in sexual pleasure. Although she enjoys sex day and night with her husband, its not enough for her, so she secretly invites various men to their house to have sex behind his back. Even though she feels a sense of immorality from being with men other than her husband, Ayakas overflowing sexual desire makes it impossible for her to stop.