[Now he's got him thinking. If this place really is tailored to his likes, then is there a way for him to tailor it even more? Maybe if he thinks really hard about it... Part of him wants to try but somehow he doubts a new pool will come falling out of the sky in an instant. Right?]

Yeah. There's light down there, but no daylight.

[He sighs softly before resting his chin on Sousuke's head again. Cozy.]

I'll try. It has to be doable somehow, don't you think?

That way you can see the sky when you swim.