It tells the story of two girls. A man disguises himself as a woman and his eldest son has an impure love in the early stage. He plots a power game to seize the throne and is reborn as a second person. Multiple stories are explained with rich and delicate emotions. It is biased towards ancient style and seven words of his own creation. No plagiarism. The main emotional line explains family marriage and love after marriage. The second line explains the emotional line of childhood sweethearts. The ending is not very happy, so you can read it rationally.