Mikoto Misaka and her friends are back, investigating rumors across Academy City. Soon, Mikoto discovers something terrifying: horrific experiments are taking place throughout the city, involving the murder of thousands of espers. Moreover, these espers are far from just ordinary people: they are clones of Mikoto herself. Feeling responsible for their treatment, she sets off to put an end to the experiments; however, the forces opposing her are much more dangerous than she anticipated, and Mikoto finds herself up against some of the most powerful espers imaginable.
Aired: Apr 12, 2013
Titles: A Certain Scientific Railgun S, Toaru Kagaku no Railgun 2nd Season, A Certain Scientific Railgun 2nd Season, とある科学の超電磁砲S
Genres: Action, Sci-Fi, Super Power
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