Yeah I wonder that too!!!
Hmmm Syaoran is so polite...I wonder if he will say nothing because not to hurt Kurogane...waiii
LOL, that'd be cute! Just picture that:
Syao: *sucked out of book* O.O...
Kuro: What's wrong with you, kid?
Syao: *sees Kuro* O.O!!! A-anou.. Kurogane-san!
Kuro: What?
Syao: *sweat sweat sweat*
Kuro: Muuuu~?
Ok ok, Kuro wouldn't say "muu" but it'd be cute! XD