Shinyaku Toaru Majutsu no Index: Toaru Manatsu no Genten Kaiki

Toaru Manatsu no Genten Kaiki (とある真夏の原点回帰) is a short story written by Kamachi Kazuma that is featured in the Dengeki Super Thanks Leaflet for the Dengeki Bunko Super Thanks Fair 2016 alongside other stories from famous Dengeki Bunko authors.

Summary
Only four pages long, including the cover, the theme of the story is about summer dating.

Trivia

 * The illustration for this short story, done by Haimura Kiyotaka, is the same one used for the first BD Box of the Toaru Majutsu no Index anime adaptation.