I have read "A Little Smile Is Beautiful" more than a hundred times, and I sympathize with Meng Yiran. There is nothing wrong with her, but she is surrounded by her unshakable best friend Anna, and some people who have ulterior motives for her. There is no one around her who treats her sincerely. She wants to give her a chance to start a new life. If she doesn't tear down Xiao Wei, she will become friends with Bei Weiwei's dormitory.