Although she has a family with a peaceful and happy life, Kana Sasaki seems to be dissatisfied with that. At home, in front of her husband, she is always a devoted wife, taking care of their small family, but when her husband is on a business trip is when she truly lives out her lascivious nature. The time her husband is away is when Sasaki falls in love with her outside lover, frequently receiving attention from the opposite sex during a time of emotional deprivation, which has shaken her fidelity. Now, she just waits for her husband to be away so she can immediately bring her lover home to enjoy their intimacy without considering the feelings of her husband who is working hard day and night to earn a living for her and their family.