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.

Parts

 * Part 0: (the_fool)
 * Part 1: (the_magician)
 * Part 2: (the_priestess)
 * Part 3: (the_empress)
 * Part 4: (the_emperor)
 * Part 5: (the_hierophant)
 * Part 6: (the_lovers)
 * Part 7: (the_chariot)
 * Part 8: (strength)
 * Part 9: (the_hermit)
 * Part 10: (wheel_of_fortune)
 * Part 11: (justice)
 * Part 12: (the_hanged_man)
 * Part 13: (death)
 * Part 14: (temperance)
 * Part 15: (the_devil)
 * Part 16: (the_tower)
 * Part 17: (the_star)
 * Part 18: (the_moon)
 * Part 19: (the_sun)
 * Part 20: (judgement)
 * Part 21: (the_world)

Characters

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

New Characters

 * Alfonso Brookman (referenced-only)
 * Asajimo Saemi
 * Asajimo Mebuki
 * Innai Chigiri
 * Puppy Prosecutor
 * Tsujinaka Kyouka
 * Matsuoka Raita
 * Nakamura

Abilities

 * Electromaster (Railgun-variant) - Misaka Mikoto, Level 5
 * Teleport - Shirai Kuroko, Level 4
 * Ion Trade - Matsuoka Raita, Level ?

Locations

 * Academy City
 * School District 1
 * Academy City General Courthouse
 * School District 2
 * Unnamed university hospital
 * School District 7
 * District 7 Central Anti-Skill Station

Trivia

 * The parts of the story are designated after the Tarot's Major Arcana, in numerical order.
 * The story shows glimpses of how Academy City has not only a constitution but also the inner workings of its judicial system.