旧城别梦我爱的那个他在哪
[jiù chéng bié mèng wŏ ài de nèi gè tā zài nă]
This username reflects a sense of longing and nostalgia for someone the user used to love. 'Old city' symbolizes past memories, while 'Where is the one I love?' implies searching or missing that person in old places with former sweet moments.