Chain Chronicle: Haecceitas no Hikari takes place in Yuguto, a land believed to be the entire world, but is actually comprised of distinct territories each ruled by a king.
While minor conflicts exist between these territories, a delicate peace is maintained through roundtable discussions among the kings, preserving balance within the land.
However, this established order is threatened by the emergence of a mysterious and malevolent group of dark monsters.
The story will likely follow how Yuguto confronts this unprecedented darkness that disrupts their long-held peace.