鹿晗你若未娶我怎敢嫁
[lù hán nĭ ruò wèi qŭ wŏ zĕn găn jià]
The username means 'How dare I marry if Lu Han is not married.' This expresses deep admiration for Chinese idol Lu Han. Fans often express their love and devotion this way, imagining a scenario where their idol is always prioritized.