(Oh, she could sing? It'd be nice to hear her voice, he thought, though as she grabbed his attention, he followed her lead.

At least, until it came to the door, he notably stopped, flustered. Wait, what? No, the girl was--he was supposed to hold open the door! For her! Ughhh... he glanced at her with an uneasy expression in his eyes, but at least they weren't as expressionless as they had been before.

... but he really wanted to be alone with her for a little while, at least. To apologize.

So he quickly darted out, thankful when she closed the door after her and exhaling. Riku spoke with hushed tones:)

I'm really, really sorry--I... I don't know a lot of your customs, so if I offended you, I didn't do it on purpose. Can I make it up to you somehow?