南城以南青衫
[nán chéng yĭ nán qīng shān]
This user name 'Nanchengyinan_qingshan' implies a person who wears simple and unadorned clothes, staying in the southern part beyond the southern city. In the traditional Chinese literature, the setting has a touch of melancholy or reminiscence. Here, Nancheng is the abbreviation of Southern City.