Voir Accel World, Season 1, Vol. 2 - Episode 1

It is the start of a new school year. Haruyuki and Takumu reluctantly agree to install the Brain Burst program into Chiyuri, who hopes that this will bring them closer together, like old times. After the program is successfully installed, Haruyuki and Takumu are surprised to learn that Chiyuri's Dual Avatar possesses a very rare and unique ability.