The Time-traveling Wizard

On the surface, this is an ordinary alien world that has just entered the steam age, but in fact, it hides endless mysteries beneath its prosperity. For example, the protagonist, on the surface, is a novelist with the pen name Mr. Kang, but secretly he is a wizard who can travel through different worlds. PS. The tentative world includes Harry Potter, Marvel, and Hellboy, and the rest are under consideration. ...