C590 What Are You Laughing at

Bai Yifei paused for a second and then chuckled.

Xu Lang's face suddenly darkened, "What are you laughing at?"

Bai Yifei immediately retracted his smile and patted Xu Lang's shoulder very seriously, "No laughing, no laughing. I know, I understand."

"What do you know!" Xu Lang snappily said. He felt that Bai Yifei was just pretending not to understand, "It's not what you think