C499 First hearing trainer

A drop of milky-white liquid flowed down from the corner of Wang Yunjie's mouth. The crystal clear liquid was coffee with milk added on it.

"Look, there's that guy with the corner of his mouth!"

"That's too inattentive. What I don't understand is how that guy managed to get that milky white liquid to the corner of his mouth. If it was a girl, she would have understood it better