C825 Mystery Man

Mr. Ye thought for a moment and then said, "He's probably in the lab right now. While you were away, he came up with several ways to improve your previous formula and has been trying them out one by one."

Feng Qingchen chuckled, "Our mentor is really proactive, isn't he?" She pulled Qingwu along. "Let's go find him first and show him what we've got."

She then turned to Mr. Ye