Reira casually, and carelessly will be saying hello back. Goomy is friendly, and feels nice- literally, if one thinks of the heart. So Reira will stoop down to pat Goomy's head, not even pulling a face at the goo while Seto is busy.

....

Fortunately she has one free hand. "Ah... ...I don't have to use the money they gave me?" she asks, slowly taking it.