Accel World: Infinite Burst

Some time after their clash with the Burst Linker Dusk Taker, Kuroyukihime reflects on bringing Haruyuki Arita into "Brain Burst"-a program that lets users speed up their thoughts to the point where time appears frozen. Since joining, Haruyuki has gained a reputation among fellow players and has been aiding Kuroyukihime in her quest to reach the game’s top rank. During a fight for territory with their legion, Nega Nebulus, Haruyuki and his allies are suddenly ejected from the game after a catastrophic in-game storm hits. Meanwhile, security cameras across Tokyo begin malfunctioning, and Kuroyukihime suspects the issues are tied to Brain Burst’s disruption. Resolved to set things right, Nega Nebulus must rally the other legions to track down the cause of the breakdown and restore the power of acceleration.