A Certain Magical Index, light novel Vol. 15

Academy City's peacekeeping forces are absent due to the Avignon invasion. In that now lawless land, shadowy groups start moving behind the scenes. --Those acting for their own interests. --Those who love the dark and revel in killing. --Those trying to destroy others' hope. --Those standing up in defiance for those important to them. --Those bringing the battle to the higher echelons. --Those quelling rebellious elements. --Those who would stop a rampage with violence. In this city, which controls all of science, who will survive?