[. . . What is that?

That consistent... loud... unignorable...

a n n o y i n g

smacking sound...?

That would be Haruhi chomping on some gum. Obnoxiously... Unusually.
Another unusual thing one might take notice of is the new apparel Haruhi is sporting today. A simple baseball cap, blue, to match the new baseball uniform the teenager is wearing. ( Read more... )