南部犯罪份子 ( Southern Criminal) also known as tietie & 罪 expresses his indictment of the poverty, simplicity, and cold-heartedness of society in the lives of the underclass through explicit, concise, and easily understandable lyrics. One can feel the emotions of living at the bottom and being bullied even more . his existence undoubtedly brings more diverse styles to Chinese rap music beyond pain rap.