Bandai Namco released the first character pictures of the Accel World Vs. Sword Art Online: Millennium Twilight PS4 / Vita game in Japan and the details can be found also on the official website.

It should be noted that each character going to has the same personality and background story as in the original TV animations from both sides but the story will be a brand new one.

Kirito and Asuna because of a maintenance can’t do any missions or jobs but they recognize a human like, black winged character (Accel World) and they started to follow it. Once the character recognize them it attacks the duo and turns out she is the “Black Lotus”.
The clear connection details between the two virtual worlds will be published later.

With the character details, Bandai published pictures about Kirito, Asuna, Black Lotus, Silver Crow, Lisbeth, Lime Bell, Silica and Scarlet Rain. As you can see Kirito and Asuna going to has the ALfheim Online character forms.