北慕城南北爱荒凉
[bĕi mù chéng nán bĕi ài huāng liáng]
The net name means 'North Mucity south-north love desolation,' symbolizing a contrast between places (south vs. north), where despite loving someone intensely ('muci' meaning 'admirer city'), this person's heart has turned towards loneliness or indifference ('love desolation').