Llenn and Pitohui from Sword Art Online: Alternative Gun Gale Online will be added as playable characters in Sword Art online: Fatal Bullet via a free post-launch update, Bandai Namco announced at Dengeki Bunko Fall Festival 2017.
Sword Art Online: Fatal Bullet will launch for PlayStation 4, Xbox One, and PC on February 8 in Japan, and in early 2018 in North America and Europe.
Watch a new trailer and new set of gameplay videos below.
Trailer
https://www.youtube.com/watch?v=VC4wRmmNjS0
Gameplay
Thanks, DualShockers.