The open beta was recently released for the upcoming cross-over fighting game BlazBlue Cross Tag Battle, and references towards unannounced DLC characters for the game have been found in the data of the Nintendo Switch version of the game.
The characters are the following:
Persona 4 Arena Series
- Mai Natsume
- Nine the Phantom
Under Night In-Birth Series
Portrait images for the characters are not within the game files, however references towards the character names are grouped with the known cast.
BlazBlue Cross Tag Battle will release for PlayStation 4, Nintendo Switch and PC in Japan on May 31, 2018, in North America on June 5, 2018 and in Europe in Summer 2018.