Since ancient times, the human beings and demons have lived in their own world without interfering with each other.
But the sealed soul cave is about to collapse, and many monsters break into the human world and cause chaos.
As a fuling officer, Su Fanjiu was ordered to capture the demons and ghosts that broke into the human world, but he met a demon prince with complicated bloodline who was living in seclusion in the human world.
She seemed to be following her master's orders to save the world, but in fact every step was under his control.
After several twists and turns, she learned his true identity, and he also appreciated her bravery and kindness. The two went from hostility to cooperation, developed a mutual affection, and joined hands with friends to maintain peace in the world.
Purpose: The protagonist should behave like a protagonist and should not take mortal lives as companions