The film was adapted from a novel by Okamoto Kidou based on a legend surrounding a sterile patch of land at the foot of Mt. Chausu, an active volcano located in Tochigi Prefecture. Since the Heian period the spot has been known to exude poisonous gas (hydrogen sulfide, sulfur dioxide, arsenic) that has killed animals and people who happened to wander near the area. A legend arose at one time that long ago in China a kitsune transformed itself into a beautiful maiden, … read more