Ghost Library, I Am the Librarian

Good news, Zhang Xian found a high-paying job with a monthly salary of 30,000 plus high commissions. Bad news, there's something not right about this job, the customers you serve are actually ghosts! After he drank the Xian Yin tea, the world in his eyes changed and he could see ghosts! Ghosts read books in the library, and they are no different from normal people. But Master told him that people have good and bad qualities, and so do ghosts. With a pure Yang physique, he became a librarian together with his pure Yin senior sister Su Yunxi. Punish evil ghosts and help good ghosts see their last wishes. What is more terrifying than ghosts is the human heart.