我姓任我心冷
[wŏ xìng rèn wŏ xīn lĕng]
Translated to 'I am Surnamed Ren (which means “任意” arbitrary) with an Icy Heart'. The surname Ren itself has no fixed interpretation in Chinese culture here. However, this name seems to hint at a somewhat detached attitude, maybe after experiencing something disheartening that makes them indifferent