[Incinerated or killed by monsters. If that's true, then that means... that means everyone Yukio's ever known is most likely dead. The priests back home, his students, his brother-...

Nope. Not going there. Not yet.]

How could something like that happen without us remembering it...? It doesn't make sense! [His voice lowers and he glances in the direction Rin fled, caught somewhere between anger, confusion, and growing sense of guilt that he can't explain or control. He shouldn't feel guilty, should he?]

... I told her I don't have a sister.

[Because he doesn't. Or didn't.]