The fake young master's expression was extremely fascinating to behold. He was using a disguising technique and hence, this wasn't his real face. Everytime he acted, he would change an identity, proceeding in a very cautious manner.
In addition, he knew that were many from outside cities coming to this place, and his understanding of them was extremely thorough. These people from small cities wouldn't dare to act recklessly or offend others as they weren't capable of doing so. Hence, they would act extremely cautiously. So, as long as he acted well and behaved a little more domineeringly, he would usually get his way. Even if he failed, he would be able to leave easily.