Wataru has recently been concerned about his mother's body and had made a habit of peeking at Reiko while she was bathing. Reiko noticed her son's behavior but pretended not to. One day, when Wataru came as usual to peek into the bathroom, Reiko suddenly said, "Let me wash your body, come in." Though startled for a moment, Wataru obediently entered the bathroom. Seeing her son like this, Reiko felt a surge of affection and gently guided Wataru, who was already erect, and accepted him…
