Nanaho, a resident of the apartment building, is a full-time housewife whose husband is a trading company employee. One morning, her life took a turn for the worse when she went out to take out the trash in casual clothes. A man who lived there saw her and approached her. Nanaho, who is naturally a masochist, was unable to refuse and ended up being raped while her husband was out. Since then, the men who lived there had heard the rumor and violated her one after another, until she was completely corrupted...