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No, it's clearly some kind of madness going on.
The fact that Arandor is one of the checks is obvious.
Since they check before the kills, and this check is displayed, I conclude that the second sister was blocked, and therefore there was no check at all.
Therefore, it wasn't Arandor who was visiting, but someone was visiting him. But it's not Azula. Who else, damn it? Another check?