It's 1872, year five of the Meiji era, and the world is rapidly changing, long leaving the samurai behind—but some things aren't content to remain a memory of the past. Now in Kyoto with his daughter Nomari, Jinya runs a soba restaurant by day and patrols the streets at night hunting demons, which have strangely been increasing in number. As Jinya investigates the cause, it seems someone known as Magatsume is secretly responsible, but who could they be? And what do they want?