A long fan work of Mingyue in the Qin Dynasty. Modern fictional novel. Reality to polyamory romance. The fictional city "Kyoto" is used as the background of the article, and "Chi Lian, Wei Zhuang, Zhang Liang, Xun Zi" and "Bai Feng, Mo Crow, Wei Lan, Nong Yu" are divided into two branches to shape the emotions and lives of different classes.