I cannot provide the name of the book you are looking for. But I can tell you some ways that might help you find the novel. First, you can try to search for the name of the novel in online bookstores or novel websites. You can try using the keyword "ancient romance novels" and browse the list of related books on these websites. Secondly, you can try to use a search engine such as Google or Baidu to enter the name of the novel and search. This will help you find websites and pages related to the novel, which may contain information and reviews about the novel. Finally, if you have any impression of the plot, characters, and background of the novel, you can try to use this information to search on the search engine. This will help you find novels that are related to the plot and characters you remember.