[ Rei can just be an otter in the pool from now on. Stay floating on her back and keep her face out of the water. ]

That might be good. Wait here and I'll—

[ Grab a floatie, but there's a non-zero chance that Rei might drown in the thirty seconds that Kido is gone picking out a floatie from the stack. She trusts Rei more on solid ground. ]

Why don't you grab one, so you can choose what color you want? I'll be right here.