For the first time, Accel World comes to the West with Accel World vs Sword Art Online, and the best futuristic anime come together for a big game with a story under the supervision of Reki Kawahara, author of Accel World and Sword Art Online!

Svart Alfheim and Accelerated World have started to merge. In the chaos, Yui has been lost. Kirito must challenge the Seven Kings of Pure Colour from the Accelerated World to gain access to her location. Players from both teams come face to face and allies in a war of worlds where the strongest Burst Linkers and ALO players are on a mission to save Yui from the hands of Personna Babel.