The seven "Level 5" espers are the most powerful in Academy City, and ranked third among them is middle schooler Mikoto Misaka, an electricity manipulator known as "The Railgun."

A Certain Scientific Railgun (Japanese: とある科学の 超電磁砲 （ レールガン ）, Hepburn: Toaru Kagaku no Rērugan) [a] is a Japanese manga series written by Kazuma Kamachi and illustrated by Motoi Fuyukawa, which began serialization in the April 2007 issue of ASCII Media Works' Dengeki Daioh magazine.

Toaru Kagaku no Railgun (とある科学の 超電磁砲 レールガン Toaru Kagaku no Rērugan?), translated as A Certain Scientific Railgun, is the anime series adaptation of the Toaru Kagaku no Railgun manga series by Fuyukawa Motoi.

Misaka’s electro-manipulation abilities—and delightfully destructive Railgun projectile move—make her a rock star in Academy City. The techno-metropolis is packed with supernaturally powered...

Meet Mikoto Misaka, the third most powerful Level 5 ESPer in Academy City. Together with her best friends Kuroko Shirai and the other members of Judgment, a student-run law enforcement agency, Mikoto delves deep into the dark heart of the scientific sprawl she calls home, and uncovers secrets she wishes she hadn't!

In Toaru Kagaku no Railgun T Mikoto Misaka and her friends prepare for the Daihasei Festival, a seven-day sports competition between different Esper schools, which, of course, also include the Tokiwadai middle school.

Toaru Kagaku no Railgun T brings back the Tokiwadai Ace and her friends as they dive deeper into the dark side of Academy City. From terrorist attacks to ruthless underground projects, anything is possible in this city.

In the technologically-advanced Academy City, millions of students study superhuman and psychic powers. Judgment, a group made up of specially-trained students and adults, helps combat threats to the city and its people by helping apprehend power-wielding criminals.

Mikoto Misaka and her friends prepare for the Daihasei Festival, a seven-day athletic competition between esper schools. Academy City opens to the public for the event, but with the whole town abuzz, no one notices when trouble stirs behind the scenes.

A Certain Scientific Railgun (とある科学の 超電磁砲 （ レールガン ）, Toaru Kagaku no Rērugan) is an anime series based on the manga of the same name, which in itself is a spin-off of Kazuma Kamachi's light novel, manga and anime series A Certain Magical Index.