[ there's a moment where rin resembles a deer in the headlights. he hadn't expected that question.

at the same time, maybe he should have. tadashi is obviously a smart guy; he wouldn't be doing what he's doing if he wasn't. ]

You have a brother here, don't you? You know how it is. I don't know who's the big bad 'round here, but there are people I want to protect, too.

[ there's a furrow in his brow, and his gaze cuts away when he says as much — he wouldn't admit it to their faces, and it's not something he wants to share with a guy he's just met, no matter how easygoing and likable tadashi seems.

well. it is what it is.

rin's expression hardens into something definitive, determined. ]

That's pretty much it.