A CERTAIN MAGICAL INDEX GN VOL 04

The horrifying experiment to make Accelerator into an all-powerful Level Six has commenced, and it involves the wholesale slaughter of the little sisters cloned from Mikoto Misaka. Can Touma find a way to stop the seemingly invincible Accelerator? Could it be that weakness is stronger than strength could ever be? Kazuma Kamachi Chuuya Kogino )