Unrest rules the eight-region Trysho domain. The unrecognized ninth region in this vast subsystem, appropriately named “The Dark Region,” has waged a war against their privileged counterparts, forcefully taking over each territory, one by one. When Leo Sumanji, decorated military general in the Lord of the land’s army, returns home to tend to his ailing father, Sitowata, leader of “The Dark Region”, stops at nothing to eliminate his former friend and comrade.