" Nine Yin and Nine Yang " was one of the martial arts novels written by Mr. Jin Yong. The story was about the love story between Yang Guo and Xiao Longnu, as well as their disputes and entanglements with Guo Jing, Huang Rong, and other martial arts figures. Although Mr. Jin Yong's novels were widely spread and loved by readers, Nine Yin and Nine Yang was not one of his representative works.