For the sake of the holy maiden, the shinden are held responsible with the duty of fighting demons. The holy maiden exists to help save people from a mysterious illness that happens around the time of a new moon. Because of this, many people became followers of the church. Murray, a shinden, was brought up under the holy maiden's guidance, but, what kind of mysterious living is it if he supports the holy maiden, involuntarily? Even if he knew the church distorted its teachings.....? Here, the curtain rises to Izayakaku's Sakamaki Yukisato as she gives us a twist to a fantasy world.