Emiko, longing for a child, suffers in silence due to her husband's indifference toward sex. One day, when she performs a blowjob on him, he suddenly orgasms and immediately falls into a deep sleep from the intense stimulation. Frustrated and unfulfilled, Emiko begins indulging in masturbation every night. One evening, her drunken father-in-law returns home and catches sight of her bathing, becoming instantly captivated. The next morning, after her husband leaves for work, the father-in-law forcefully assaults her. Though initially confused and resistant, Emiko gradually succumbs to the pleasure and begins willingly responding to his advances. A few days later, she conspires with the father-in-law to drug her husband into unconsciousness, allowing them to indulge in intense creampie sex alone together. This story portrays the hidden desires within a family and the complex web of love, lust, and betrayal.