C49 Recruitment by the deputy mayor

"Sister Guan, can I come in?" In my little mind, when I knocked on the door, I didn't call Guan Feng the deputy mayor, but instead called her sister. For one thing, this made her seem more friendly, and even if Guan Feng didn't like it, I could still say that I was grateful to her for calling me that, but if Guan Feng didn't deny it, then calling me that would be a form of deterrence to others