A hot spring trip for mother and son, just the two of them for the first time in a long time. The son is aroused by the beauty of his mother's naked body. The mother is also aroused by her son's strong, large cock. When the two of them enter a mixed-gender hot spring, the desires they have been holding back explode! This is a compilation of 24 episodes from the popular series "Just the Two of Us at a Mixed-gender Hot Spring...".