A married woman who couldn't forget the sex she was forced to have and was fascinated by the swamp of cheating.

Yu is forced into a one-sided relationship with Hashimoto, who lives in the same apartment building. She is made to remember the ultimate pleasure and her body is reorganized so that she cannot be satisfied with sex with her husband. I can't do this...even though I have a loving husband. Even though I know it in my head, my body doesn't listen to what I'm saying and seeks Hashimoto. The desire for pleasure that gradually expands and can no longer be suppressed begins to erode even the heart that has been stubbornly protected.