Mikoto Misaka is one of the main protagonists in the anime series 'Toaru Kagaku no Railgun'. She is a Level 5 esper, known as 'Railgun' due to her signature ability to shoot projectile coins at high speeds. As a student at Tokiwadai Middle School, she is admired for her strength and intelligence. Despite her popularity and formidable powers, Mikoto is a kind-hearted and determined individual who often finds herself involved in various incidents around Academy City. Her role in the series is central, as she frequently tackles challenges and protects her friends using her extraordinary abilities.