Stealing Baidu: This word was originally used to describe the cute sister paper of the second yuan, which was first popular in the second yuan circle and gradually became familiar to everyone. Recently, the word reappeared in everyone's field of vision, which originated from a joke in Weibo: The name "Little Brother" is really gentle and kind, and it looks good when you smile. "Little brother" felt like a takeaway, and then the netizen replied, "Little sister is warm, beautiful and lovely. Miss thinks she belongs to a club. So it's just a girl's name, like a little brother.