I got an email that looked not unlike an acceptance letter... sadly I can't read jap or fish so I decided to just wait around tell someone else mentioned it.
If you got it after or on the 8th and you didn't sign up for the newletter then that's definitely it, you could always try google translate on it as well to get an idea of what it says if you can't read it. http://www.google.com/language_tools
For the people that don't understand anything at all, I made this quick UI translation from screenshots posted on the website and from the video.
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