[That was just the short-cut explanation, too... In this kind of controlled world, there definitely is more to it. But, unless Gareki wishes to dwell into it further, Setsuna will just let that sink for now.
His eyes lower a little, a hint of sadness within them. It's very vague and hard to determine, but it's there. The smallest sigh leaves him shortly.]
[...as much as he wishes for it:] I do not think that there is such thing as a perfect world. However, that does not stop anyone from believing.
[Princess Marina and himself... Many others, too. They're all trying very hard to achieve a better world, in their original home. Even though there's no such thing, they can hope altogether. Try to reach for a future together.
The same can be applied for this prison. No one is held back from hoping and doing their best.]