Tamami lives with her husband in a house left to her by her husband's parents. Her husband is a gambling addict, and has unknowingly accumulated a large amount of debt, which has finally led to the sale of the house. When they ask a local real estate agency to act as an intermediary, a man named Yoshino shows up. Yoshino is kind to her, but behind the scenes he lusts after Tamami, and one day something happens. After that, every time Yoshino comes to visit, he desires her, and Tamami awakens to the pleasure of another man's cock. She has no idea that her husband is secretly peeking on her and getting his cock throbbing...