Xia Da's Longsong was a very famous online novel. It told the story of the adventure that the female protagonist Xia Da had in the ancient world after she transmigrated. The background of the story was a dynasty named Long Song. The female protagonist Xia Da became an outstanding female official in this dynasty, and her relationship with the emperor gradually warmed up. In the story, Xia Da encountered many difficulties and dangers, but she always adhered to her beliefs and principles and finally became a legendary figure in this dynasty. The novel's plot was complicated and the characters were vivid. It was very popular among readers.