[His expression quickly drops back to neutral after that, and he tilts his head a bit.]

We actually get a long pretty well. [Shocking, shocking. Kazuya just likes to put up a fuss.] More often than not, anyway.

[But as for what to do afterwards for his birthday... He doesn't know. Normally he'd spend it with Yuzu and Atsuro, but they're not here, and even if they were it might be a little awkward now.]

I'm not really sure? Usually I'd get dragged off to karaoke or the nearest shopping mall, but something tells me that those aren't really options here.