Certain Magical Index Graphic Novel Volume 13

"Science and magic clash in the manga adaptation of the smash hit light novel series! (Volume 2)Index faces the biggest threat to her life thus far: the assassin Kaori Kanzaki--and Touma's right hand is useless against her! When Kaori reveals the truth behind Index's very existence, Touma realizes just how bad his unlucky streak has gotten in the conclusion of the Index arc!"