Maboroshijō daiichiwa Hida no uzushio (1940)
Mt. Norikura's natural fortress, the phantom castle. A white-clad iron mask, offering prayers to the eerie triple-faced deity of the Sennjogadake Rocks - the lord of the phantom castle, scheming to overthrow the Tokugawa shogunate that destroyed his lord. Sent by the shogunate to infiltrate Hida, Ki