As her beloved husband ages, Eri is left with an uncontrollable heat and a pent-up sexual desire. Just as she begins to feel at her limit and anxious, one day her husband, who lives with her, seizes her heart and body with his massive cock. This will put an end to her smoldering desire. As a step towards satisfying her love of sex, she plots to get her hands on her son-in-law's towering, dreamlike cock...