[ Does he tell him that he tries to keep more free time in his schedule than he normally would because he wants to be available for either Kamisato sibling should they need him? ]

[ ... Nah. ]

So I've been hearing. I'll have to cut back on the amount of food I'll be making then, so that the lady can have all the opportunity she likes to practice.

[ She's been doing better! As far as he's seen, anyway. ]