"But then no one came out of the bathroom?" The aunt asked somewhat puzzled.

Xue Jing went on to say, "Yes, that's the point. After you came out of the women's room, you found that the door of the men's room was locked back, but you didn't care. Then you went to the bar to clean and chat with Xiao, right?"

Aunt nodded to make sure that Xue Jing was right. Xue Jing went on to say, "After you cleaned the bar, you came back here again. Although they opened, they didn't find anyone going out. Even Xiao Xiao, who has been at the bar, didn't find anyone going out,...