Kou Akemi and Sumire Kurokawa are OLs who work for a real estate company in Tokyo. The two of us had come to the mountains for preliminary inspection of trekking for a company event. However, he gets lost on an unfamiliar mountain road. After wandering through the mountains for more than a whole day, they finally arrive at a mountain lodge. There is a mountain villa on the verge of closing down, and the owner, Kita, is about to finish cleaning up. Kita ignores the two begging them to stay for just one night, but Kita's friend Kudo shows up and notices the exhausted bodies of the two...
