Lan Yan's confidant has a tacit understanding. You understand my thoughts and I understand your code words.
Zhen Zhen always thought that she had always felt like a good friend to Zhou Bai, but she didn't expect that when Gu Xiao appeared in Zhou Bai's life, she felt flustered for no reason.
When Zhou Bai hugged her, Zhen Zhen felt like a pig had swallowed her own cabbage.
As time went by, Zhen Zhen's attitude towards Zhou Bai changed from "Hello, friend Lan Pen" to "Hello, Mr. Zhou".