school first started. She posted her and Song Xiuyi's photos on the forum, which caused a huge stir in school.After that, this person seemed to have disappeared. This time, he reappeared and aimed his...Knock, knock. 。Three knocks on the door broke the silence. Yesterday afternoon, Hualing brought Mengbao to the address Cheng Keqin had given them. She was a little nervous as she knocked. 。The one who opened the door was an older person, seemingly the housekeeper of the family. 。"Hello, I'm Cheng Keixin. I was introduced bye just talking in the living room.According to what the two of them just said, and then suddenly flipping the switch, they're probably going down to the basement to do an experiment!Xu Zui'ning's expr...