Not poking him too hard is probably a good idea, lost in thought as he is, but eventually Ryoji pulls his gaze away from the stars to look to the side at his companion. Hitherto, mostly he has simply been looking up, leaning against the glass a little and just... watching, but now he stands back a little.

"Do you suppose there are other worlds out with those stars?" he asks, softly - as much because Naoya is there as anything else.