Those in Japan might notice something added to their Xbox Live Marketplace on March 1st, as Ninety-Nine Nights is said to see a demo hit the marketplace. For us over in North America, it is unknown if we will be seeing the same game demo, so if you really want it, you can always do the workaround.
The demo will also be available on 50,000 demo disks in stores across Japan and is planned for release on April 20th, while those in the US will have to wait until the 10th of March.