In the afternoon when my husband is away, I have an affair with the married woman next door who invites me to me.

As a college student and living alone, I spent my days studying and working part-time. It was noisy outside as I had completed my assignments that day. Apparently someone is moving into the next room. After a while, the chime rang and the married woman next door came to say hello. I suddenly looked up to see Professor Sakurai, a private tutor when I was a student... After a long time, the teacher reunited with him was seductive and vulnerable. Furthermore, I could hear the couple's enthusiasm from beyond the thin walls, and I began to think of the teacher as a woman...