C114 sudden onset of vinegar

"Qianqian, did Shaoyang know how to say things like this in the past?" Is he really good at talking? " Long Qianyu asked.

Long Qianqian and Mo Shaoyang were startled. Just now, Long Qianyu had called him Mr. Mo, but why did he turn around and call Shaoyang after he went to the washroom? What happened, why was Long Qianyu so weird today?

"Qianqian