Accel World : Infinite Burst is a sequel to the TV anime series. It starts off with a 40 minute recap of what happened on the TV Anime, with Sachiwa Misaka narrating the recap. Then, it starts off showing a new character in what appears to be a Gym. She had an accident that caused her to be hospitalized. The scene shifted off to a territory battle between Nega Nebulus and Great Wall, where Sky Raker and Ardor Maiden are fighting against two Burst Linkers.
Check the trailer for the movie below.
Accel World : Infinite Burst starts showing on japan theaters on 23 July 2016. The BD & DVD will be released on 28 September 2016.