Surrounded by legends of the Japanese wolf since long ago, the town of Okamimura lies deep within the mountains. Members of the Mysterious Discover Club along with Kota, Rurumo, his classmates Nishino, Sugawara, Sakurai, Maya, and the student monitor trio take a train to Okamimura. Transforming herself into a human, Chiro tags along as Rurumo's younger sister.