City Monster is set in a world of supernatural creatures and follows a young monster who moves to the city. As he struggles to figure out his future, his new life is interrupted by questions about his mysterious roommate - a ghost who can't remember the past. Joined by their neighbour, a centuries-old vampire named Kim, they explore the city, meeting a series of strange and spooky characters and looking for answers about life, memories, and where to get a good beer.