Mahiro, a full-time housewife, recently started living with her husband's father but is struggling because they don't get along. Her kind husband becomes passive when it comes to his own father, as he was the one who suggested they live together and is reluctant to address his wife's complaints… As her frustrations grow, her father-in-law's sexual harassment escalates, eventually crossing a line… She finds herself getting hooked on sex with her father-in-law, whom she was supposed to hate.
