Monster Who Became Adventurers

In a world where adventurers hunt monsters with magic , a unique situation arises. When a monster disguises itself as a human adventurer and forms an alliance with other monsters, An adventurer party consisting of only monsters was formed. With their superior abilities, the monster adventurers shift the balance of power, transforming from the hunted to the hunters. Now, the question remains: Is the monster adventurer’s enemy a hero or a demon king?

Or…