"Guess!" Seeing Liu Sijie returned, Zhang Peng quickly resumed the appearance of a ruffian he used to be like.

"You must be discussing with Xia Yu about what to address each other? Since you lost the game just now, you should call her elder sister, but she called your elder brother. Oh, the relationship between you two is really messy." Liu Sijie laughed and looked at Zhang Peng.

Zhang Peng smiled and said, "We have already discussed it. We will address each other ...