As the Japanese folklore founded by Kunio Yanagita was involved in the formation of the Empire of Japan, the phantom indigenous people of Japan, the ``Mountain People,'' proposed by Yanagida, contradicted the descent of the descendants of the emperor, who is a living god, and the one lineage of all generations . It shouldn't have happened.'' Yanagida shuts down the mountain man theory. At the same time, he joins the Japanese Imperial Army in hunting mountain men. A few years later, a girl who is said to have mountain man blood is seen in Tokyo. Yanagita orders her excommunicated disciple, Hyodo Kitagami, to investigate, but...