The narrator introduces us to a new character named "Sang sen" . He's a student at a school called "Qingli High School" in Shanghai, and he's very excited to be there. He wants to sit in the back of the class with the other students, but the teacher won't let him. He also wants to know why the teacher didn't allow him to wear the school's uniform, and why he doesn't have the right to wear a hat in class. The teacher, however, refuses to let him sit in class, saying that he has to arrange his seat. Sang sen says that the teacher is a "brat" who gave him the right not to wear school uniform, but he also says that his hat has no right to be touched by the teacher's "soiled uncle" , which means that the smelly uncle is the one who gave the brat the right of not wearing school uniform in the first place. He then goes on to say that he'll be