[ She just laughs. When Miwako wants to do something, she does it. She went a little overboard with decorating, and didn't even talk to anyone while she was doing it - but she thinks that kind of energy paid off, in the end. So that comment and that little whistle are like a funny compliment to her. ]
Would you like to have a tour~? There are only two other rooms, so it'd be a mini-tour, haha. I'll show you the kitchen~ [ Because that's the room that would interest him the most, she's guessing. Cooks like kitchens. ]