Kaori is an office lady who has been in a relationship with her boyfriend for two years and once felt deeply satisfied with their bond. However, lately he has shown no interest in her, leaving their sex life completely dormant. As Kaori begins losing confidence due to his indifference, she even tries masturbating beside him while he sleeps—yet still receives no reaction. Growing increasingly anxious and questioning her own desirability, Kaori becomes consumed by doubt. Desperate to reclaim her pride and confidence as a woman, she makes the decision to cheat for the first time—choosing to perform sexually in front of the camera. This bold step may mark an entirely new beginning for her.