Ayano is a housewife whose husband, a teacher, has been involved in a scandal and is unable to survive without support from her father-in-law. - She builds up stress and decides to play with fire on a dating site, but her father-in-law finds her out and ends up getting punished! - When her hands are tied by her enraged father-in-law, she is subjected to intense full-body caressing and electric massage. - Then, the tips of her toes are licked and an angry hammer is inserted raw into her. - After that, her father-in-law continues to punish her, dominating Ayano's body and mind with mouth-to-mouth meals and sticky kisses like leeches. - The quagmire of domestic infidelity continues for a long time until the day when the father-in-law's consciousness and sexual desire become hazy...