Three years into her marriage, housewife Shiho used to work at a major corporation but is currently on leave after being laid off. Previously, she and her husband were dual-income earners who consciously chose not to have children, embracing a DINKS lifestyle and enjoying a comfortable, carefree existence. However, six months ago, her mother-in-law suddenly passed away, leaving the men of the household struggling with daily life. As a result, Shiho and her husband began living with her father-in-law and his family. Convinced by her husband to endure the arrangement until they could afford their own home, they moved into a two-family house. Since then, Shiho’s libido has skyrocketed. She finds herself secretly aroused despite being constantly leered at by her entire in-law family. Her lewd true nature is soon discovered by her father-in-law, older brother-in-law, and younger brother-in-law—setting the stage for a shocking new chapter.