Natsumi Aihara travels with a male co-star to Yugawara Onsen, a famous hot spring resort known for its healing waters. With a completely free-flowing narrative, the timing and frequency of sexual encounters depend entirely on the chemistry between the two. Expect spontaneous erotic moments unfolding naturally amidst the serene beauty of nature and the relaxing onsen atmosphere. Follow their evolving relationship throughout the journey in this captivating storyline!