In the heart of Kyushu, Kun, a wandering gay man, stumbles upon a hidden onsen. The steamy water and the scent of cedarwood arouse him. He strokes his hard cock, eyes closed, imagining the hands of a mysterious stranger on his body. Suddenly, a shadow approaches, and a pair of strong hands join his. A stranger, equally aroused, begins to soap him up, their bodies pressing together in the slippery water. They lock eyes, and the stranger's mouth finds Kun's, their tongues dancing in the humid air.