All Mental Hospitals Are Full of Evil Spirits. Coincidentally, so Am I.

[Supernatural ghosts + double male protagonists + Xuanmen boss + evil ghost female protagonist] There is an evil spirit in my body. Everyone told me I was crazy. My parents put me in a mental hospital for ten years. On my birthday, the most wealthy family in Beijing came in and arrested me, forcing me to use my body to save the vegetative prince. I discovered the prince's secret. From then on, ghosts, evil spirits, evil spirits, and monsters all came to haunt him.