Kono Shima ni wa Midara de Jaaku na Mono ga Sumu

Taro Kajiura and his friends from a research group at Tonan University embarked on a trip to Ikishima Island in order to pursue the origins about Princess Kannon. At the same time, the villagers of Ikishima were holding an annual festival in which outsiders were forbidden to participate in for over 400 years. The consequences for breaking that tradition were much more severe that any of them had imagined…