[ He nods, and though his expression stays with an almost childish sort of petulance for a moment, he manages to find a way to explain it that isn't quite so uncomfortable for him. With a question like that, Ciel feels anxious, because it's exactly the kind of open-ended question that Sebastian likes to ask to dig claws into his heart. So without even thinking about that fully, Ciel answers as he would to such a loaded question. ]

Yes, I do. I may not be acting as the Queen's Watchdog here, but my viewpoint isn't changed. I hate sitting idly, so moving forward, I won't regret any moves that allow me to advance.

[ There's an emphasis on any that makes it clear what Ciel means by that. He's acknowledging that he's likely to get his hands dirty here, and he doesn't want Mabel to get tangled into that world. ]

Whatever this place is supposed to be, it's either just a pause, or it will be my end. I have to return home, since I've staked my soul upon my revenge. It's as simple as that.