Tanchun is Jia Baoyu's half-sister, and she is also an ambitious and responsible pillar of the Jia family. However, she was born in the last days and could not restore the decline of the Jia family.Cao Xueqin's grandfather created the supreme glory of the Cao family. He was a poet and a promising upright official, but he could not change the general trend of a dynasty's prosperity and decline.