Toaru Majutsu no Index Light Novel Volume 17 was first published on March 10, 2009. It focuses on Kamijou Touma and Index becoming involved against a conspiracy against the British Royal Family eventually leading in full-blown coup d'etat. It is the first novel of the two-part storyline known as the British Royal Family Arc.

Publisher's SummaryEdit

An "Index Liborum Prohibitorum Callup Notice" was proclaimed by the Necessarius Archbishop of the Church of England, Laura Stuart. Inside is a duty to investigate, together with the Royal Family of England, the explosion that arose in the Eurotunnel which linked France and England.

Having received this order, Index and her guardian, Kamijou Touma, embarked upon a plane bound for England. Before they were to peacefully enjoy their trips in the skies, a mysterious figure on board the plane sets his hijacking plan into action...! While using all his strength to sooth the empty stomach of this silver-haired sister and attemptying to resolve the situation at hand, how would the fate of Kamijou turn out!?

This round's misfortune shall thus off in England!


  • Chapter 1: The Incongruity of Casual Conversation — Irregular_Spark.
  • Chapter 2: A Steel Battlefield Floating Above the Clouds — Sky_Bus_365.
  • Chapter 3: The Magic Cabal of the English Labyrinth — N∴L∴
  • Chapter 4: The Sword that Brings War and Disaster — Sword_of_Mercy.
  • Epilogue: Everyone's Expectations and In Their Hearts — War_in_Britain.


Localized ReleasesEdit


A Certain Magical Index Volume 17
A Certain Magical Index Light Novel v17 cover

Date of Release November 13, 2018[2]
ISBN ISBN 978-0-316-47454-2[2]
Number of Pages 256 pages
The head of the English Puritan Church, Laura Stuart, has summoned the Index Librorum Prohibitorum with a mission to investigate the bombing of the Euro Tunnel that connects the UK with France. Index soon departs for the British Isles with her guardian Touma Kamijou in tow but their when their flight is suddenly hijacked by a mysterious figure, their plans will have to change! If they survive, Index and Touma's next unfortunate adventure will lead them to the heart of the UK!


British Royal Family Arc

Figures Important figures
Other figures
Events (Timeline)