One autumn day in 2046, Haruyuki has an encounter with Koroyukihime, the prettiest girl in his school. For the middle school boy who is often bullied, the meeting changed his life. Through a mysterious piece of software from her, Haruyuki learns the existence of the virtual Accel World. In the moment, the lowest of the "school caste" becomes "Burst Linker", a knight defending the princess. (Source: ANN)