Huaisang looks up in surprise, not just at the sight of the other but the bunny? That's a strange sight that he would have never expected and it's enough to have a genuine smile tugging at the corner of his lips briefly as he stands to cup his hands in front of himself to bow to the other.

"Lan Wangji, I didn't know you were here," he might have sought him out if he had known but then again maybe not.