38-year-old married woman Natsuki Tono works as a sales clerk at a prestigious luxury brand store. With her refined facial features, slender waist, beautiful breasts, and a big ass, she possesses a model-like physique that constantly draws attention. Yet she harbors a secret struggle—she's realized her husband, a professional photographer, has gradually shifted his affections toward other women. As he starts coming home later and their relationship grows colder, Natsuki finds herself emotionally and physically neglected. It is under these circumstances that she secretly steps into an AV studio. Now, the hidden desires she's kept locked within her heart are finally beginning to awaken.