How did Fang Lansheng's second sister die?

China Lansheng, the second sister of Chivalrous Chivalrous Man, is smart and organized.

He disciplined his younger brother very strictly. He is Lansheng's most feared sister, but he is also his closest sister.

He loves Lan Sheng very much and teaches him severely, playing a role similar to that of a mother in his life.

She was tricked into being killed in Yutan by Ouyang Shaogong in the name of treating diseases, and finally turned into Jiao Ming.

Her death had a great influence on Lansheng's growth.