[At least back then when they'd meet someone they knew from a different place, there was that cultural difference - things like different clothes, different titles or ways of living... So seeing a Sakura that's dressed in Clow Country's style must be quite disturbing, even if her frame is slightly smaller, her skin unscarred.]
[She was expecting the person who claimed they'd steal their water, so she's surprised in turn by the endearment, not knowing what to expect but coming closer to the entrance of the reservoir all the same.]