Nanaho takes care of her father-in-law to help him out of his financial difficulties. However, what her father-in-law wants is perverted care using her body! She makes him chew his food, kisses him as if savoring his tongue, and makes him use her lips to clean his body so as not to hurt him. She also makes him take responsibility for the old man's stiff penis... The young wife becomes addicted to an affair in the family, calling it care!