To Aru Kagaku no Railgun
- Studio: JC Staff
- Release count: 25
- Active run: Oct 2009 - mar 2010
In Academy City, 80% of its 230,000 citizens are students in the Esper Development Program, a global effort to develop psychic powers in children. Based on To Aru Majutsu no Index, this side story follows Misaka Mikoto, a Level 5 Esper, and Shirao Kuroko, her trusted friend in the "Judgment" organization that preserves law and order in the city.
Based on the manga by Kamachi Kazuma, author of the Index novels.