A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected. One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume
- Chapter 1: The Whereabouts of the Restraints. GLEIPNIR.
- Chapter 2: When Will We Outgrow Tropical Countries? YMIR’s_ocean.
- Chapter 3: The True Meaning of Environmental Protection. RULIC_letters.
- Chapter 4: This and That About Life. ALFAR.
- Chapter 5: Marine Prison. NAGLFAR.
- Chapter 6: The Best Moment. BIFROST.
- Chapter 7: The Destination of Salvation. GUNGNIR.
- Chapter 8: The One who Teaches the Secret Rune. VALKYRIE.