The Fujisaki couple escaped bankruptcy by getting preferential treatment from a junior from the husband's college days and finding a new job. As the husband passes out drunk, the junior confesses that he was bullied by her in college 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 Aoi to fall into the depths of pleasure...