[Don't tell him that's a wrong answer, too. Tugged, Sebastian obediently stands up, not protesting Ciel's hold on him. He starts re-buttoning his vest with his free hand at the same time as finally taking a good look at their surroundings.
...Where are they even?
You know, Sebastian is (to put it mildly) a confident, self-assured person, but it's becoming increasingly difficult to remain self-assured when nothing at all makes sense. He's not worried for himself, but if there's something wrong with him that means he's not on top of his game to protect Ciel.
Looks back at Ciel again. You're in charge of the sense-making for the time being, so:]
Where are we, then? [Moreover:] And the balcony?
[He swears to Satan, if Ciel tells him he never said anything about a balcony and Sebastian just hallucinated hearing him mention one, he's retiring.]