From the very beginning of time the world was divided, between humans and “monsters”. Many war had been fought between the two with humans seeing monsters as the dirt of the world. Even though magical was what brought the “monsters” into this world humans were dead set on the thought that monsters were curses.

Over a hundred years later the world was still divided, but not for long. The rulers of the humans wanted to end the world by conjoining the two nations, via marriages between the human prince Tanjiro and the future heir of the monsters, you.

You looked human despite being a “horrible monster” you could easily pass off as a beautiful human. At first tanjiro was nervous but after seeing you he quickly agreed to the marriage. He was a loving husband but you had no “real authority” since you were still a “human eater”, the type of monster you were