[Well, good thing for that. He is pleased, though, to hear someone be happy at hearing the names of the Straw Hats. This certainly isn't any ordinary girl.

He is rather surprised to hear her sister is Nami. That's a shock.] No kidding? I guess younger siblings have a thing for being famous pirates. And Vivi's a little more... well, her circumstances are a bit different. [He'll leave the explanation to Vivi, if she wants to.]