Once every few years, all my relatives came to a hot spring trip. Everyone was supposed to come this time as well, but I got addicted to food poisoning, so I went on a parent-child trip with my mother for the first time in a while. Drink alcohol while having a meal prepared at the hot spring. The tipsy mother came back when she went to the bath again and decided to join her because there were no people. I was so excited about my mother's naked body that I couldn't speak anything ...