[He watches the mixing colours with both awe and fascination in his eyes. He gently presses in on the jellyfish, and then out again. He wouldn't mind taking it home with them if they can.]

I think so. Do you think we can put them in the pond, or do they need a bigger home? [Surely the koi fish won't object to having a new friend to live with.] ...But if we get too many, we probably wouldn't have room for them.

[Until they buy a big aquarium for them. Good use of spending money, clearly. Sayo turns his gaze up to meet Yamato's.]

But... I'd like to see them at night. If they glow... I'd like to show them to my brothers.