It does not seem to matter how many times he sees it, Wei Wuxian still gasps each time Lan Zhan's hair comes tumbling free of its knot and headband, spilling over his shoulders like ink. It touches Wei Wuxian's cheek, and he leans into it like a cat, forcing the silken strands to glide over his skin as he meets Lan Zhan's mouth with his own. Lan Zhan's lips are parted, and Wei Wuxian seizes on opportunity, sweeping his tongue past Lan Zhan's teeth to drag against his own.