Aika's husband is always busy with work, so for the past six months, he hasn't touched her. She constantly feels lonely and desires sexual intimacy. With no other options, she resorts to masturbating to alleviate some of this sexual frustration. While masturbating, she suddenly sees Sagawa-san peeping at her through the window. Sagawa-san is a new neighbor living next door to her. He gives her a friendly, approachable, and extremely comfortable feeling. Sagawa-san is a photographer, but recently his work hasn't been as good as he had hoped. Meeting Aika reignites his passion and creative abilities. He asks Aika to be his photo model, continuously praising her beauty, which she can't resist. From then on, Aika becomes Sagawa's model, and the two grow closer. He showers her with compliments, words that her husband hasn't said to her in a long time. She fears losing control and committing a wrongdoing against her husband. She talks to Sagawa, inviting her husband to hear about the modeling opportunity in hopes that he would intervene. However, her husband seems indifferent and immediately agrees. And then, the inevitable happens, the fear she dreaded finally comes true...