Tesso No Ori summary:

The story follows antique store worker Imagawa, aging doctor Kuonji, and writer Sekiguchi, who are all fascinated by mysterious events happening in Hakone, including a series of murders of Buddhist monks and a little girl in a kimono who wanders through the mountains. Tesso no Ori is an adaptation of the fourth novel of Kyogoku Natsuhiko's Hyakki Yakou series.