只为守候那一世痴狂
[zhĭ wéi shŏu hòu nèi yī shì chī kuáng]
'Zhi Wei Shou Hou Na Yi Shi Chi Kuang', which translates into 'only guarding a crazy devotion'. This username implies dedication or infatuation, often indicating a long-lasting, unchanging heart in love or other things.