[video]
Oh, just Kaworu. No need for formality. [It's just another human habit he doesn't understand.]
[Then he stands up, and by the shifting scenery behind Kaworu's face, Saguru may notice that he's descending from the roof by way of an invisible staircase. Or, rather, walking on air.] I think I'll go see what else they've added. There've been a few changes since I was last here, by the looks of it.