>>2576950You know the more I look at it, the more I realize it's a lot of brilliance in one pic.
1. She's in the background. Haruhi and Kyon dominate the foreground, like they do in the show/her real world.
2. You can't see her face, at all, so we can't tell in any way what emotion she might be feeling, even subtly.
3. The reflection is more obvious once you realize there's no party hat, and that the rest of the members aren't being reflected either.