Souyaku Toaru Majutsu no Index: Relay SS

Souyaku Toaru Majutsu no Index: Relay SS (創約 とある魔術の リレーSS) is the first part of relay collaboration story written by Kamachi Kazuma. This short story was released for the celebration of the "Dengeki Bunko 30th Anniversary" (電撃文庫30周年). It was released as a bonus for those who purchased the Dengeki Bunko light novel which released in June 2023 from specific bookstores. The second part of the collaboration story is "" by Uno Bokuto, due to be released in August 2023.

Characters
By order of appearance:
 * Misaka Mikoto
 * Index
 * Kamijou Touma

Trivia

 * The illustration for this short story, done by Haimura Kiyotaka, is the same one used for the cover of Souyaku Toaru Majutsu no Index Light Novel Volume 01.