[Hina doesn't even register it (probably because she can't see) and continues friendly squeaking and flying around.

Rinku gives the Squirtle a treat, then gives some to her own Pokémon and puts the bag away.]

It seems friendly! I bet it already really likes you. Some people raise them as pets, or for battle -- it's a whole sport, and no one gets really hurt -- and I think some people do other things like beauty contests or helping with shows! I just raise mine to try whatever they want. Mecchan did help me at a concert once, though! But he got stage fright and played the piano under a big cardboard box.