Aika's husband is always busy with work, so for half a year he hasn't touched her at all. She always feels lonely and desires sex. She had no other way but to masturbate herself to relieve some of this feeling of sexual deprivation. While masturbating, she suddenly saw Sagawa-san outside the window looking at her. Sagawa-san is the person who just moved into the house next to hers. He gave her a friendly, approachable and extremely comfortable feeling. Sagawa-san is a photographer, but recently his performance has not been good so his works are not as good as he expected. Meeting Aika awakened his passion and creativity once again. He asked Aika to be his photo model. He continuously praised her beauty, making Aika reluctant to refuse. From then on, Aika immediately modeled for Sagawa and the two gradually became closer. He continuously complimented her, compliments that her husband had not said to her for a long time. She was afraid that she would not be able to control herself and do something wrong to her husband. She talked about Sagawa inviting her to be a photo model to her husband in hopes that her husband would stop her. But no, her husband didn't seem to care at all and agreed immediately. And then the fire that had been near the straw for a long time burned, and the thing she feared the most finally happened...

The husband loves to work, the wife stays at home and gets pregnant with the neighbor