One day, Osawa, who has just moved to Tokyo and moved into an apartment, overhears his female neighbor, Ayaharu, talking on the phone with someone who appears to be her lover on the balcony. - Later, after seeing her seeing her husband off, Osawa learns that Ayaharu is a married woman, and while he is wondering who was on the other end of the phone call, he sees Ayaharu walking happily with a young man. - It was. - Osawa, who was interested in Ayaharu, took a close-up photo of her secret meeting with the man! - ! - Then, when he shows the photo to Ayharu, he forces her to have a relationship with him...