Mikan, a married woman, hates her father-in-law who peeks into her bath because of his tendency to be emotionally abusive. However, one day, while she is sleeping, he sexually harasses her and makes her cum over and over again. She begins a series of orgasmic sexual encounters every day, without telling her husband! She becomes obsessed with her father-in-law's virile rod, and despite her reluctance, she is made to climax and urinate over 100 times, eventually falling into an NTR sexual encounter.