The official Japanese website for Dragon Ball XENOVERSE — in conjunction with an Xbox One press conference, as detailed in an article on Famitsu — announced today that the game will indeed be making its way to the Xbox One in Japan.
Set to be released for four hardware platforms, including Xbox One!
The Xbox One is not yet available in Japan, but will ship to the region 04 September 2014. Dragon Ball XENOVERSE does not yet have a release date set.
Thanks to Super Saiyan Prime for the heads-up.