Chain Chronicle: Haecceitas no Hikari (Chain Chronicle: The Light of Haecceitas)

Synopsis

Set in the land of Yuguto, the people thought that the land they live is the size of the world, but it's actually divided into several areas, each with a respective king. Even though there were small wars among areas, the kings had roundtable meetings to maintain peace and balance. It was until a dark group of dark monsters appeared... (Source: MAL News)