"In a village outside Kyoto, villagers are being attacked and killed in succession by an unknown creature." Sakamoto Ryoma tells Shinsaku and Katsura. Katsura, who has been collecting information on mysterious incidents and paranormal phenomena that are being reported around Kyoto in his quest for the chronometer, tries to head out to the village to verify the rumors, but Takasugi suddenly seems reluctant to go. On Ryoma`s suggestion, Katsura takes Izo along with him to the village. The unusual pairing wind up dragged into puzzling incident and they find themselves facing one of the twelve commanders of Susanoo!