Aikagura

When the long war was about to end and the world was heading toward a peaceful era, the country of Totsuka was suddenly devastated by a mass outbreak of demons. Tenkami Mitsuki, a skilled demon exorcist belonging to the Onmyoryo-Chobukukata, a demon exorcism organization under the direct control of the Imperial Court, is ordered by the Imperial Court to go to the Land of Totsuka.