I Serve in the Demon Suppression Bureau, Yet Every One of My Wives Is a Great Demon

[Transmigration + crime-solving and deduction + alternate history + fantasy + multiple heroines] A young man named Xu Xian transmigrates to the Great Duan Dynasty, where he becomes a low-ranking constable in Longzhou County. His exceptional crime-solving skills earn him a promotion to the Demon-Slaying Bureau, where he spends his days hunting demons. As his cultivation improves, he becomes ever more skilled at slaying demons, and he takes more and more wives. Then he discovers that every one of his wives is a powerful demon. Xu Xian is utterly bewildered. So all the great demons have been hiding right under his nose! A thousand-year-old white snake: “Husband, why not catch me too?” Nine-tailed celestial fox: “Husband, I've always behaved myself.” East Sea mermaid: “Ever since I came ashore, I've stayed by your side. I'm not some evil demon causing trouble.” This is an age when demons run rampant. Watch how Xu Xian, a mere junior constable, rises to greatness.