C88 Conspiracy

Zheng Guoren's mouth moved, his face had a look of doubt.

Zheng Zheyu knew what he was thinking, and said mysteriously: "I know what method you want to ask me about, don't worry, this method will definitely be useful, but I can't tell you."

Zheng Guoren was a little angry, and thought to himself, Isn't this messing with him!

"Dad, just believe me once