The Yokai Police Station

After finally graduating from college, Nan Hong transmigrated to another world. It took him more than a decade to realize that this was a world full of monsters, gods, monks, and onmyoji. Nan Hong somehow ended up as the head of a monster police station, and he's stressed out. There may only be one employee at the station, but why does every job fall to him? Investigating cases, chasing criminals, looking after young monsters, helping them find work... Hey, hey, even asking me for cheats in video games is going too far! Years later, at a conference recognizing contributions to the development of the human and monster realms, people had this to say about Director Nan: Monster A: He pulled me back from the wrong path and gave me a new life! Thank you, Director Nan! Sob... I'm sorry, I'm just so emotional. Monster B: Those young monsters on our mountain were such a handful. I used to spend all day breaking up their fights, and they nearly pulled all my fur out. Ever since Director Nan developed this game, the young monsters on our mountain have been hooked. They sit around on their phones all day and behave so well. I've even had time to work on my fur care. Monster C: Check out our new specialty shop! Everything is handmade, and all the ingredients are guaranteed to be organic. Shop ID: 87... Hey, don't go! I'm not finished! Monster D: We may have lost the last monster-world esports tournament, but we still have our pride! The Fox Clan will never surrender!!! Human A: The number-one streamer on the Monster TV livestreaming platform is definitely Sister Deng. No contest. Sister Deng, Sister Deng, we love you!! Human B: I want to complain about your novel website! What those monster authors write about us humans is ridiculous. Listen, #￥%#... Hey, don't go! I'm not done! And so on. Plot: Solving all kinds of monster-related cases and modernizing the monster world. You can skip the prequel and start directly from Volume One, Chapter 15. Volume One, Dream Spirit: Fate brought us together in a dream Volume Two, Buddha Melon: Sick! They imprisoned a human just to... Volume Three, Desire: With just a little encouragement, desire breaks through the soil Volume Four, Inheritance: Come on, devour my flesh and blood Volume Five, Masks: With a mask on, you can do whatever you want Volume Six, Division: Everything in this mountain village is divided Content warnings: 1. The monsters in this story are all Japanese monsters. 2. Most monsters have several versions of their legends. Some monsters in this story may share names with ones you know but have different appearances or definitions. 3. Set in a fictional world. 4. Each volume features one or several monster cases. Theme: Striving