We Are in the Demon Suppression Department, but All of Our Ladies Are Big Demons

[Time travel + crime-solving reasoning + fictional history + fantasy + multiple female protagonists] A young man named Xu Xian traveled to the Daduan Dynasty and became a small catcher in Longzhou County. Because of his excellent crime-solving ability, he was promoted to the Monster Catching Department and hunted monsters every day. As his cultivation level improved, he became more and more powerful at catching monsters, and he married more and more wives. But it turned out that all the ladies around him were big monsters. Xu Xian was confused, and even the big demon was hiding under his nose. Millennium White Snake: Husband, why don't you catch me too? Nine-tailed Sky Fox: Husband, I have always behaved myself. Mermaid of the East China Sea: I have been by my husband's side since I landed ashore, and I am not a evil-doing monster. … This is an era where monsters are rampant. Let's see how Xu Xian, a little head catcher, rises to power.