C105 Etiquette current

"akai, do you have time now?"

"Dad, I have time. Is there anything I can help you with?" Wang Kai asked, choked with emotions.

"I'm going back with your mom, are you coming over now?"

"Where?"

"The train station."

"Alright, I'll be right there." Wang Kai hung up the phone. His parents had come to the big city with great difficulty