Wei Wuxian's lips part for a soft sound of surprise, curving upward despite their situation. Lan Zhan never sings except, it seems, when Wei Wuxian is gravely injured. It's nearly almost worth it.

He hums with him for a moment, then the fact that he is hearing Wangxian's lyrics finally penetrates, and he shuts up entirely, his eyes wide but still smiling into Lan Zhan's robes as he continues.