Quote Originally Posted by Board of Command
Is this even related to the storyline of Index? It's set long before the events of Index (Misaka is only lvl 5 here) but she already met Touma. In Index, she supposedly met him for the first time as a lvl 7.
... wut? She's been a level 5 throughout the whole series, both Index and Railgun

Anyway the story for now actually takes places slightly before Index, and will eventually start happening during the same time frame as the original, always through the eyes of Misaka