Shinyaku Toaru Majutsu no Index Light Novel Volume 20/Chapter 2

Characters
By order of appearance:
 * Kamijou Touma
 * Female Knight
 * Orsola Aquinas
 * Stiyl Magnus
 * Aleister Crowley
 * Accelerator
 * Index Librorum Prohibitorum
 * Karasuma Fran
 * Hamazura Shiage
 * Takitsubo Rikou
 * Nephthys
 * Niang-Niang
 * Agata
 * Kanzaki Kaori
 * Knight Leader
 * Carissa

Locations

 * England
 * London
 * Tower of London
 * Necessarius Women's Dormitory

Cultural References

 * Purple mirror is a Japanese urban legend. If you still remember this expression until twenty years old, you will die.