Ah Qing, an awkward little master who is half monk and half layman, settled in Chang'an by selling vegetarian steamed buns. His unknown secret skill is to teach himself various supernatural arts. He also met the arrogant Major General Li Yu who took it as his mission to eliminate evil spirits and exorcise demons, and the cat girl Xiao Kong who came and went without a trace. The little mage who knows magic has a low status, while the mortal general who doesn't know magic is the emperor's darling, and the charming little cat girl and the little mage have unknowingly become midnight partners. Several people dislike each other while fighting side by side and growing up together. They not only need to exorcise demons and monsters, fight monsters and level up, but also solve mysteries and eradicate traitors to restore innocence. It mainly writes about life-and-death brotherhood and male-female friendship, CP stewed in a light comedy style, with suspense and a moderate amount of magic.