This role-play is performed by adults. Reika visits the boarding house of her son, Kazuya, who has moved to Tokyo for higher education. Then, Kazuya disappears early from his part-time job, and ends up having dinner with Hatanaka, Kashiwagi, and others who live with him... They are filled with desire for her motherly nature, kindness, and ease of being swayed, and when the force of alcohol overwhelms her... Unable to resist the pleasure she had experienced for the first time in a long time, Reika surrendered to the pleasure. Before she knew it, she was captivated by the young man's irresponsible, intense sex without thinking ahead, and started shaking her hips...