Mikoto Misaka

Misaka Mikoto (御坂 美琴, Misaka Mikoto) is the titular main protagonist of the anime/manga seires A Certain Scientific Railgun, one of the main characters of the light novel and anime series A Certain Magical Index and the tritagonist of the franchise overall. She is from Tokiwadai Academy and is one of Academy City's Level 5 espers, ranked number three. She is nicknamed Railgun because of her ability to control electricity.