One day, my father-in-law helped a strange old man who had fallen due to amnesia and brought him home. The bride, whose husband was on a business trip and lived with his father-in-law, decides to take care of the old man temporarily, though he is worried. While caring for her, such as wiping her body, while she comes into contact with the body of an old man, her wife, who has had no sex with her husband, cannot control her sexual arousal and gives a blowjob. The father-in-law who peeked at it was jealous ... The life of two old men and a young and beautiful bride with big breasts begins a mixed life of nursing care and sex.