In order to protect an ordinary businessman, Tsukasa Atsumi, from demons, a genius kunoichi, Shizuri Ideura, signs a master-servant contract with him on the condition that she stays with him….

In the Edo period, there was a shrine maiden called “Itsukihime” in the mountain village of Kadono. Jinta, a young man who acts as the shrine maiden’s guardian despite being…