Satsuki, who had lived alone for a long time, began living with her daughter and son-in-law. The couple's nightly activities were intensely passionate, making it impossible for Satsuki to ignore them. Watching her son-in-law's thrusting movements aroused her, heating her body and wetting her pussy. One day, after her daughter left the house, Satsuki found her son-in-law napping in the living room. Recalling the passionate sex she had seen between her daughter and him, she instinctively reached down and began touching herself. Even when her son-in-law woke up, Satsuki remained absorbed in her masturbation, unaware. Eventually noticing his voice, she stopped, trying to hide her body. After a tense silence, Satsuki pleaded, "Just once... I want you to hold me. Please."