Karen, it's on their other site:
http://www.greeeen.net
Look under Discography. Their Universal Music site is slow to update with new stuff, so the site I just posted a link to is the best place for the most up-to-date info and stuff.
Because it's a flash-based website, nothing can be copied (and pasted). T__T
The regular edition is just a white-colored version of the green-colored limited edition.