心里住着个少年叫世勋命里存在个少年叫鹿晗
[xīn lĭ zhù zhe gè shăo nián jiào shì xūn mìng lĭ cún zài gè shăo nián jiào lù hán]
Translates to 'in my heart lives a youth named Se-hun, and fate holds a youth named Luhan'. It expresses deep admiration or affection for these individuals, typically K-pop stars EXO members, indicating fandom devotion.