The term 'cleansing room' is just an excuse to find a place for a private conversation. In the small tea room, Changping dismissed the attendants, held the tea, and asked Wufu what the matter was.
"Why has Bai Sulian suddenly come? Did you invite her?" Wufu asked.
After the last time, Changping had sent a nanny to the Bai Family to 'teach a lesson,' implying an intention to sever ties, or at least stop deepening the relationship. Otherwise, she wouldn't have been so rude to Bai Sulian.
Therefore, she didn't think Changping would invite Bai Sulian to the Prince's Mansion, so Bai Sulian must have come on her own.
Indeed, Changping, after hearing this, said: "Since I no longer wish to continue our association, why would I invite her here? She came on her own."
"Why has she come?"
