Daisuke Ozawa, who had just moved into an apartment in Tokyo, one day overhears his neighbor, a woman named Ayaharu, talking on the phone with someone who seems to be her lover on the balcony. Later, seeing her send off what appears to be her husband, he realizes that Ayaharu is married. Daisuke becomes curious about whom she was talking to on the phone and ends up witnessing Ayaharu walking intimately with a young man. Intrigued by Ayaharu, Daisuke snaps photos of their tryst! Then, he confronts Ayaharu with the pictures and forces her into a relationship with him…
