Mami lived a peaceful and stable married life every day. However, one day, it was revealed that her husband had made a serious mistake at work. As Mami struggled with what to do, her husband's superior, Department Chief Nakazawa, appeared before her. He offered to help save her husband on the condition that he could use her body freely. Initially reluctant, Mami gradually found herself drawn to Nakazawa's skill and manhood, realizing her body began to crave him. What started as a relationship for her husband's sake slowly transformed into the fulfillment of her own desires.