お茶子は物思いにふけるタイプではなかろうか。
それならば、こんなこともあるかも。
こんなお茶子がかわいいと思う。

Doesn't Ochako seem the type to indulge in deep thought?
If that's the case, this is the sort of thing that might happen.
I think this sort of Ochako is cute.