Rinko lives with her daughter and her husband when her husband is assigned to work alone. - Shes more distracting than being alone, but her body is still lonely and comforting alone at night. - Then, the shadow of a big cock is reflected behind her door ... - Rinko noticed that her son-in-law, Kunio, was secretly peeking, and she continued to boldly invite her all the time in search of a too big big cock. - And Kunio, who has drowned in the eros that oozes from her mother-in-law, asks her to devour her body as she is swept away.