A classical novel of Korea's Li Dynasty, written in17th century. It's earlier than The Story of Spring Fragrance. Author Jin, the original text was written in proverbs (Korean), and later translated into Chinese chapter-by-chapter novels by Sun Jinchun of Jinguan. Use the contradiction between Liu Yanshou's wife Xie and his concubine Joe to satirize the Li Dynasty. Although the story happened in the Ming Dynasty, it alluded to the social contradictions in the Li Dynasty at that time.
There is little information in this field. I suggest you read this book.