The person knocking outside Lian Xiangyu and the others' door was, of course, Su Bai.
For Su Bai, the best way to pass information to Regular players without exposing his identity was to slip the notebook he held into someone else's hands without anyone noticing. Giving away the notebook was not particularly difficult. The difficult part was finding the right person to give it to.
First and foremost, a suitable recipient had to be someone other than Peng Zhen or anyone on his side.
Moreover, all the guest room doors on the second through fifth floors were shut tight. Su Bai had no easy way of knowing which rooms housed players, let alone whether Peng Zhen or his accomplices were staying in them. So after encountering Peng Zhen in the lobby, Su Bai had kept Little Cat watching his movements.
Although Peng Zhen saw Su Bai as nothing more than a doll, appearing around him too often would inevitably arouse his suspicions. Compared with Su Bai, Little Black Cat, who could conceal itself in the dim surroundings, was practically an expert at tailing people.
Little Black Cat merely followed Peng Zhen upstairs for a circuit before returning to the spot in the lobby where Su Bai had been waiting on "standby," then led him to Rooms 204, 311, and 422 of the hotel. Although Little Black Cat could not speak, its head shakes and tail movements allowed Su Bai to infer that Peng Zhen had not returned to his own room immediately after going upstairs. Instead, he had stopped in Room 204 and Room 311 in turn before returning to Room 422 and staying there.
So the room Peng Zhen had chosen for himself was probably Room 422, while at least some of the people in Room 204 and Room