@kaminomikan
I believe it's an outside shot of the tunnel Kaname went into.
The Korean flag is a Mangadex issue with their CSS. Looks like someone fucked up an array index. You'll see the same problem with other series.
Mmm, that makes a good amount of sense.
Not so much that they're unbound from each other, but that they're unbound from feeling so awkward that they never talk anymore.
I suppose I was too stuck on finding an explicitly romantic interpretation.
@Faeldrin
I do appreciate you pointing the errors out, thank you.
The first two points have been addressed.
The missing paren is true to the original Japanese, for better or worse.