Haruyuki Arita is an overweight, harassed Accel World who discovers comfort in playing web based recreations. In any case, his life takes an extraordinary turn one day, when he finds that all his high scores have been beaten by Kuroyukihime, the famous VP of the understudy committee. She then welcomes him to the understudy relax and acquaints him with Accel World, a program which permits the Accel_World to quicken their mind waves to the indicate where time appears Accel_World. Mind Burst additionally works as an enlarged reality battling amusement, and with a specific end goal to get more indicates quicken, clients must win duels against different players. Be that as it may, if a client loses every one of their Accel World, they will likewise lose access to Brain Burst until the end of time.
Kuroyukihime discloses that she demonstrated Haruyuki the program since she needs his offer assistance. She needs to meet the maker of Brain Burst and reveal the reason of why it was made, yet that is less demanding said than done; to do as such, she should overcome the " Accel_World," capable group pioneers inside the amusement, and achieve level 10, the largest amount feasible. After the young lady helps Haruyuki beat the domineering jerks that torment him, he pledges to help her understand her objective, thus starts the team's battle to achieve the top.