The Fujisaki couple escaped bankruptcy by getting a job after receiving preferential treatment from a junior from the husband's university days. As the husband passes out drunk, the junior confesses that he was bullied by her in university and that he resents her. Aoi becomes the target of revenge against her husband and is raped! After that, he comes to her when her husband is not around and trains her every day, causing her to fall into the depths of pleasure...