A round-faced, nimble and observant maid assigned to Wen Jinxin by Li Shi. In Wen Jinxin's previous life, Cai Zhu had also served her and she had grown fond of her, even neglecting Lan Hui. However, Cai Zhu always spoke of Li Shi's virtues and only spoke ill of Shen Jue, which biased Wen Jinxin against him. In this life, Wen Jinxin is wary of Cai Zhu due to her past experiences.
