C184 Unwritten Rules

"An unspoken rule? What do you mean?" Kin Beihan felt that he didn't understand this circle at all. It was necessary to confirm all the possibilities and understand all the things he didn't understand.

Chen Mingming did not expect Kin Beihan to ask such a clear question. She could only say to Kin Beihan," Director Kin, I don't know about this either