Recently I was rereading SSS-Class Suicide Hunter and got to read this again:

Whether I looked up at the sky or walked beneath it, I was alone. Baraya. Baraya. Agabaraya. The world is winter, and a lone candle burns. If I sing, it is the song of the whole world, and if I die, it is the death of everything. It’s white. It’s turning white, and whiter still. - So Baekhyang, the Heavenly Demon