Just the hair... he's sure he can remember that much, at least. He wouldn't want to make Nier uncomfortable, after all. He smiles at the question, leaning in slightly.

"I would very much like it if you did." He reaches out to touch the other man's cheek, brushing the back of his fingers lightly over his skin. But where he might usually have moved his hand to his hair, instead he rests it on his shoulder. He waits for Nier to initiate the kiss, though.