C399 The Private Doctor

"Master Zhang, I have a presumptuous request."

"I hope you can agree to it."

"Oh? What presumptuous request?"

Zhang Xiaofann asked doubtfully.

"Just like what you said just now."

"This granddaughter of mine has a Nine Yin Cold Body disease."

"It's not something that can be cured in a day or two. It requires a long period of treatment …"

As Guo Yunzheng spoke