Nintendo has announced that Genei Ibun Roku #FE (Shin Megami Tensei X Fire Emblem) will release in Japan on December 26th. An early purchase bonus includes extra cameo costumes for the main cast from other Atlus titles, and a Fortissimo Edition includes more costume sets, a vocal soundtrack selection CD, artbook, and collector box. There will also be a Wii U bundle available with the Fortissimo Edition.
In case you missed it, the game was demoed on Nintendo Treehouse Live at E3 this past summer, and the details can be found here.
Update: A handful of new images have surfaced thanks to a product listing on Amazon. We have those in the gallery at the bottom of the post.
Normal Edition (7236 yen)
Fortissimo Edition (9698 yen)
Wii U Bundle (40824 yen)