He could already see this starting to go downhill, just from the certainty she spoke with. Not like Tsubasa could really blame her; It was hard to believe that the Heartless had a language when it couldn't be understood. Not like he didn't feel any less agitated, reaching up to rub Itty's head.
This definitely wasn't something funny anymore. He wasn't sure if she was just confused or genuinely angry, but he wasn't a liar. He wasn't joking around about it. "What do you mean I'm not 'supposed' to know, I actually go there. There's teachers, a headmaster, all that st--"
Drawing back from the point, he very nearly missed the names she started to rattle off. Familiar names, though people he had never met personally. No, he'd read about them in his classes and books, often enough for them to stick despite his inattentiveness.
"...You... You're Kairi."
It was said with almost an air of awe, despite how flatly it was delivered. A realization that came with a blink and a stare as he processed that he has met a historical figure, though admittedly younger than any pictures he had seen of her.
And then he let out a sigh, face in his hands as it turned into a groan. "I'm never telling Arthur about this. He'll never let me hear the end of it," he quietly muttered to himself, before his head snapped back up to look at her. Eyes meeting with hers.
"I swear on my honor as a Hidaka that nobody put me up to this. But I think this might just have brought up a few problems now."