Speaking of her friends, one of them can certainly be found if she looks around the Emerald Sanctum. Even more, he seems to look like he's completely okay and unworried about anything going on around him.

On the other hand, that could be because he's simply sleeping on what appears to be a comfy patch of moss. And whatever Kairi shouting she did, it seems like he slept right through it.

Yep. It's definitely Sora.