A man whose wife passed away before him. Lately, he has been feeling particularly lonely and has been masturbating alone despite his age. Just then, his son's wife, Miharu, appears to take care of him and accidentally catches him in the act. A heavy atmosphere settles between them, and Miharu, trying to lighten the mood, says, 'Father-in-law, if you'd like, I can help you out.' Those words become the catalyst, and before they know it, their bodies are entwined. Surprised by his son's wife's thick and hard penis, she experiences pleasure that makes her aware of her own femininity for the first time in a long while...
