[Given his kiss, her answer was correct. So what kind of information could she get out of him and be able to return in kind? Going all in without an idea on the how is something she refuses. Yua needs a start and then she recalls how a simple kiss to her hand make her go red.

And there is where she gets it. Finally breaking the kiss, she speaks up.]

Why not start with how touching can make someone feel more than expected? I believe they sometimes call it a 'sweet spot'?