Uesato Hinata wa Miko de Aru

A short side-story during the events of Nogi Wakaba wa Yuusha de Aru, centered on Uesato Hinata.
300 years ago, in the background of the first Heroes who fought against the Vertexes when the world was still in the Christian Era, there was another battle for the Mikos led by Uesato Hinata.