他是暖光亦会发光她是我爱绝不离开
[tā shì nuăn guāng yì huì fā guāng tā shì wŏ ài jué bù lí kāi]
This username describes two parts: 'he is like warm light that shines' and 'she loves him and will never leave.' It expresses admiration for someone who brings warmth and light to one’s life and declares unwavering commitment.