Minako Komukai, JUY-441, lost all rationality after being sexually assaulted by her husband's boss for seven consecutive days.

While her husband is away on long-term business trips, Minako is forced to obey her boss's orders and be sexually assaulted every day because her boss has something on her. She thought that to keep her husband's job, she could endure it until he returned and she would be free. However, her boss's increasingly skillful sexual techniques captivated her, until the night of the seventh day when she was finally...