[They find him a little deeper in the cavern. He has found these strange long wands that vibrate when you hold them. The first time he had touched one he became utterly fascinated by the little faces that appeared as he touched them. Right now he has two that both have the green happy faces.

He sees Kairi first, because she's leading Riku, and grins at her. His own expression matching the green faces.]

Look at this funny thing I found, Kairi! What do you think it is? It doesn't seem like a useful wea--

[Then he sees Riku.] You found Riku!

Riku! I can't believe you're here.