Yuta, a college student, was looking for a place to move into near his school. The seventh property he visited was an old apartment; while the sunlight was decent, the room was small and not enough to make him decide. However, as he happened to look out the window, Yuta's gaze became fixed. From the window, the opposite room was completely visible, and he saw a beautiful housewife, Ao, cleaning in her loungewear, completely defenseless. He decided on the room immediately, and peeking at Ao became Yuta's daily routine. He never imagined that he would actually be able to have a lewd relationship with her...