[ Haruhi listens, nodding after a while to show that she understands. But when Yuri stops, Haruhi too stops, knowing that the situation is indeed more serious than she could ever imagine. And it's not one that she ever wanted to be in. All she wanted was to have fun, that's all.

But this mess... she had to be one of the ones to deal with it. Otherwise she'd never forgive herself. ]

Then something must have happened between the first time the shadows appeared and the second time, right? Since they wouldn't show up twice like that for no reason, especially considering that it sounds like the time frame between the first appearance and the second was a pretty long time.

It's like a warning from the final boss or something!