The heroine, who was originally a demon king, traveled to a wonderful world. In this world, a civilization that cultivates immortality and fantasy is colonizing a continent full of Western fantasy creatures. The heroine is tired of the turmoil of this world, and she hopes to regain her identity as the Demon Lord and rule here - when will she do it? That's not certain. Anyway, it's the world waiting for her, not her waiting for the world, so take your time.
Concept: The heroine searches for herself in a world full of conflict