Toaru Kagaku no Railgun: Cold Game

Toaru Kagaku no Railgun: Cold Game (とある科学の超電磁砲 コールドゲーム) is a short light novel released on December 27th 2017, celebrating the manga's 10th anniversary.

During a Social Studies field trip to the Central Anti-Skill Station, Saten Ruiko discovers that a person in the background of one of the photos on her smartphone is a criminal on the wanted list. As a result, Saten, Uiharu, Mikoto and Kuroko find themselves involved in the Cold Sleep Murder Case.

Characters

 * Saten Ruiko
 * Uiharu Kazari
 * Misaka Mikoto
 * Shirai Kuroko
 * Yomikawa Aiho

New Characters

 * Innai Chigiri
 * Tsujinaka Kyouka

Locations

 * Academy City
 * School District 1
 * School District 7
 * District 7 Central Anti-Skill Station

Trivia

 * The parts of the story are designated after the Tarot's Major Arcana.