Rin, a married woman who lives happily with her husband who has a romance at work, has a secret that her husband can never tell. That is, the affair with her husband's boss, which has continued since before marriage, has not been cut off. Rin sways between feelings of guilt and feelings that her husband does not want to know, Sawaki, her husband's boss who tries to control her. "That man who is domineering and cowardly understands my body better than his loved one." In the days of repeated pleasures, she becomes aware of her true nature that she does not want to admit.
