The protagonist, also known by her childhood name Song Yi Bai given by her father. She chose the courtesy name Nian Yun meaning mind embracing heaven and heart resting like drifting clouds after deciding to enter Qinghui Academy. She is self-taught in chess and policy essays, displaying extraordinary talent that impressed Elder Yun. In her past life, she entered the palace as a companion reader and grew up alongside Crown Prince Beiming Jin, but was betrayed and died. She has been given another chance and now seeks to control her own destiny. She is calm, strategic, and resolute. She defeated Elder Yun in chess and became his personal disciple. She broke off her engagement with Chen Yunli and asserted her independence from her neglectful family.
