When the bell rang, Yang Liu cleaned up his desk, but when he was about to leave the office to return to the dormitory, he didn't hear anything from Mei Yu. When he sat in his seat and other teachers left, Mei Yu waved at Yang Liu and gestured him to go over. Yang Liu smiled and asked, "Sister Mei, what's the matter?" Mei Yu frowned slightly and raised her head, snorting, "This is the office, you must call me Teacher Mei! Humph, when did I allow you to call me Sister Mei in the school?!" Yang Liu laughed and said, "Well, if I can't call you Sister Mei at school, then can I call you like this outside the school?" Mei Yu was speechless. She had not expected that her negligence would cause Yang Liu to pretend to be innocent. She glared at Yang Liu angrily and said, "Don't tease me so much

