C574 You do not know how to appreciate kindness

After Huang Xing answered the call, Liu Min's low voice came out from the other side of the phone: "Where are you going? Didn't you tell me to wait for me at the office?"

Huang Xing was dissatisfied with Liu Min's tone, but he forced a smile since he was standing right under the roof: Section Chief Liu, I'm coming out … He took a deep breath.

Liu Min said: Is my office airtight? A big window