[ A few of his questions of curiosity click into place when she says she'll be king (...other than the gendered portion, but). From the curiosity about the sort of leader Ciel was to the interest in advising, it makes perfect sense for a future monarch. ]

Ah! Well, in that case, I believe I understand a bit better.

[ Not that it's going to be very clear to her just what it is he understands, but he continues smoothly. ]

If you have an interest in such a thing, I can at least say that I am happy to offer my counsel or knowledge at any time. It is a more advantageous situation for you on Horos, to be frank. Were I to serve you in a truly official capacity, I do not believe the terms of my covenant would be to your liking.