Tesso no Ori  

Iron Cage of the Mouse, 鉄鼠の檻

The narrative focuses on Imagawa, an elderly doctor named Kuonji, and writer Sekiguchi, all intrigued by the enigmatic occurrences taking place in Hakone. These events include the gruesome killings of Buddhist monks as well as a young girl dressed in traditional Japanese attire roaming the mountains alone.

Tesso no Ori is an adaptation of the fourth novel of Natsuhiko Kyogokus Hyakki Yakou series.