I wonder what they do. Humans have a lot of things that they keep on them just to mess with. Maybe they like looking at their reflection through them.

[That would make the most sense to Rin. He enjoyed looking at his own reflection after all. He'd even climb onto some of the higher rocks near the beach to do so.

Rin grins playfully at Nagisa's admission.]

I forgot that you're a weird mer. How'd you get out?