Reika visited the boarding house of her son, Kazuya, who went to Tokyo to go on to school. Then, Kazuya quickly disappears from his part-time job, and ends up having dinner with his housemates, Hatanaka and Kashiwagi. Her motherhood and kindness, as well as her voluptuousness, make her desires come alive. Unable to resist her pleasure after a long absence, Reika entrusted herself to her pleasure. She doesn't think about the future of a young man, she is fascinated by irresponsible intense SEX, and she shakes her hips herself.