C341 What Do You Know

Du Yunning's expression was cold while Ning Xia's expression was calm. The two of them were clearly good friends who had known each other for many years, but the expression on their faces did not show any signs of catching up with each other.

Ning Xia asked, "What do you know?"

"I know, that's a lot. " Du Yunning lightly laughed but only answered vaguely. Ning Xia's question was not detailed