Certain Magical Index, Vol. 20 (light novel)

October 18th. World War III has begun. As the flames of conflict between Academy City and Russia spread further, many other countries suddenly find themselves pulled into the fight.

Fiamma, the only remaining active member of Gods Right Seat, attempts to control everything from the shadows while others run straight into the heart of the storm Kamijou will travel as far as necessary to revive the magically comatose Index Accelerator wont let even a war stop him from saving Last Order and Hamazura must find a way to heal Takitsubos stimulant-abused body.

Though their goals are all different, it is fate that these three will cross