A mother raising her son all by herself. He dropped out of college and didn't work or socialize; she decided they needed a change, so they went on a hot spring vacation together. Her shy son had never been with a woman and was still a virgin. Determined to give him confidence as a man, she took his virginity. As he released his sexual frustration onto his voluptuous mother's naked body, she too began to feel aroused. Their intimate bond deepened during their private hot springs trip, where they shared forbidden moments just for each other. Note that recording contents may vary depending on distribution method.