C487 March as the Deadline

Apart from the Gu family, only two outsiders knew about his headache. One was Lee Si, and the other was the Gu family's private doctor, Ling Yuxuan. It was impossible for Lee Si to do that.

"Brother Xuan is my senior brother who studies. He only mentioned it to me unintentionally. He also wanted to ask me if I have a way to relieve your headache caused by the medicinal properties