Производством занимается молодая студия Durian. Режиссёр — Kiyotaka Oshiyama («Flip Flappers»), арт-директор — Aymeric Kevin, композитор — Kenji Kawai.
Deep in the northern mountains, there are people who have been living with the blessings of the mountains. A boy, who is coming of age, journeys into the mountains for his first hunt. He must find the "Kuroshishi." The mountain is a world where life and death are divided by a paper-thin line. Sometimes, nature will show its fangs...