Appirits announced the release date of the upcoming PC browser game The Orbs of Fafnir in Japan today. The new title release on December 14, 2016 at 13:00 in Japan as a basic free to play game.
The official Open Beta Test already held between November 29 and December 1, 2016. According to Appirits the UI of the game changed a little bit from the Beta version and the battle speed also improved.
If you already played with the OBT you don’t need to do anything, you can use the same account for the final version what you used in the Beta version.