See here:

http://phantasystaruniverse.jp/news/...ode=view&id=15

.. and here:

http://phantasystaruniverse.jp/news/...ode=view&id=16

I've already done a crappy Babelfish translation, but if anyone can read JP, maybe they can make it seem clearer. Seems it has something to do with 30 day trial and registering today?