C290 Good business

This was indeed Meng Ling Xuan's idea, and he didn't tell anyone about it. If he hadn't seen Cheng Cheng's helpless expression in the backyard, he wouldn't have done it.

Although the emperor hadn't wanted to tell him what kind of illness he was treating, Meng Liangxuan could guess one thing. It seemed that Rolo's medical skills had improved once again.

However, the last time they met