The male protagonist: Shen Tinglan (alias Mo Qing), the female protagonist: Su Qinghuan (alias Ayuan). The "Lanling Shen family" came from a century-old prominent family, with a scholarly family background and a profound foundation. Her personality is as gentle as jade, elegant and restrained, and she likes quiet and hates noise. Deeply influenced by Taoist thought (especially Zhuangzi), he pursues "inaction", "freedom" and "returning to nature". One origin: "Gusu Su family" in the south of the Yangtze River, also a scholarly family with heirlooms of Shili. He has an intelligent and agile personality, is lively and out-of-the-box, curious and informal. She is avant-garde in thinking, yearns for freedom, and is naturally rebellious against the constraints of traditional boudoir.