That extras bundle that seemed to be only available for the first week seemed to have expired about today, but I bought mine while the bundle deal was running but still can't download the two additional extras:

"Anthems of Crossbell Digital Soundtrack goodies"
"SSS Classified Files Digital Art Book goodie"

They appear greyed out and unavailable and have been like that since I purchased it. Now since the sale has ended, the game now appears in the GOG launcher, but the laucher doesn't even show the additional extras at all (only the web version).

(Also I had this game on my notification list, but it never showed up until after the introductory extras sale well after I purchased the game since the name was "The Legend of Heroes: Trails from Zero - Extras Bundle" and not "The Legend of Heroes: Trails from Zero", seems a bit of an oversight, so I was lucky to spot it when it first went on sale on the main website).

EDIT:
Argh, whoops; that was the title!

I thought it would include an additional art book and music, but what I already have seems to be the addtional extras, so please disregard this question.