Bandai Namco released the new promotion video of the Accel World Vs. Sword Art Online: Millennium Twilight which release on March 16, 2017 in Japan on PlayStation 4 and Vita.
As we wrote before from the SAO part Kirito and Asuna going to appears in the ALfheim Online form while from the Accel World part all the characters will comes from the original anime version.

Bandai Namco with the 2nd promotion video introducing more gameplay scenes and you can also listen the 2nd part of the official theme song of the game.
The theme song comes from KOTOKO x LUNA and the title is the “SxW -soul world-“. Above you can watch it!