Ok, this is the recent message from the official Facebook page, translated with bing:
Personally, I can't wait
There's also a screen from the demo (I think):
Edit:
less mechanical translation, thanks to perorist":
"Ryu GA gotoku 5 dreams come true and who" of "trial version" 11/27/2012 than "PlayStation ® Store" will be delivered and charged.
It is possible to play the part of Yong Zhou city, kiryu Kazuma appears as a main character in this "trial" story with this film debut stage.
Is located just a few in the game story new ケンカバトル revamped from the basic parts of towns is crafted with attention to detail such as that "Ryu GA gotoku 5 dreams come true and who" of and can experience part of the game volume and quality with the contents. Ahead of its soft launch, please experience on this occasion.
Personally, I can't wait
There's also a screen from the demo (I think):

Edit:
less mechanical translation, thanks to perorist":
'Ryu ga gotoku 5: one who fulfills dreams' demo will be distributed via Playstation Network on November 27th 2012.
Kazuma Kiryu will appear as the main character in the demo and players will be able to explore part of a new location debuting for the first time - Nagashuu, Fukuoka.
Features such as the new battle system which has been revamped from the basics and the town which has been built in detail are only a mere part of this title, but Ryu ga Gotoku 5: one who fullfills dreams' quality and volume can be experienced from these contents.
Please take this opportunity to experience it before the game releases.