While caring for her father-in-law, Rino realizes she no longer feels anything during sex with her husband. Worried she might be frigid, she decides to try abstinence to heighten her sensitivity. But the celibacy makes it hard to keep up with her caregiving duties, causing her to grow increasingly irritated with her father-in-law... until he finally assaults her. To her shock, she climaxes intensely with him. After that, she can't feel anything during sex with her husband—her body now only responds to her father-in-law. Though her mind resists, her body craves him. A depraved daughter-in-law and a lustful, virile father-in-law—her sensitivity amplified ten thousandfold. An unnatural incestuous relationship unfolds! #Producer Bancho