[Whether or not her dream travel companion is involved, there's also the fact that they're in some funky ??? dreamension where she'll apparently wake up to somewhere different entirely, so there's that too, for what it's worth?

But indeed, the wording was chosen with specific purpose, so Ciel is happy to continue listening to Gray elaborate with open interest.]

Hmm, let's see! I do know that the world of the dead and that of the living shouldn't normally interact, even if they're intrinsically linked to one another. It's just no good for once living things that have already passed on to linger for any reason, and ghosts won't go away just from you asking nicely, usually. So something has to be done to help them along, or something on that line... Am I off the mark?

[She asks cheerfully as if she's taking part in some quiz game, treating the topic with probably too much levity. Nothing weird about getting chipper when talking about the occult, right?]

Oh, but maybe I'm just being narrow-minded, I do apologize if I've generalized too quickly. The undead is simply bad news where I'm from, but maybe there are nice ghosts out there too? Would you know, miss gravekeeper?