Since living with his son and his wife, the old man has begun to secretly glance at his wife's magnificent large ass and breasts, and his lost sexual desire begins to return. However, he is unable to lay hands on her because she is his son's wife, and he is left in agony. However, one day, when the wife tries to put a diaper on the old man to take care of him, the old man shows his erect penis to his wife, says, "Please make it easy for me," and makes her give him a blowjob! Since then, the wife has become addicted to the old man's intense carnal desires, which her husband does not have...