After Time Travel, I Became an Investigator

There are always some weird things in this world. For example, the cleaners in the royal capital are all issued magic brooms that can work on their own, but these brooms have a bad habit - they like to get together and dance waltz during breaks; there is not only sewage in the sewers, but also a few big rats wearing glasses. Debates in the tavern ranged from whose ale was richer to the fact that yesterday the head of the city defense captain turned into a giant cabbage. The story begins on an uneventful afternoon, when a stranger walks into this land with great confusion.