September 30th. As theseasons change in Academy City, so do the seasonal clothes.
Mikoto Misaka,talented esper student of the elite Tokiwadai Middle School that stands abovethe hustle and bustle of the city, waits in front of the concert hall for hercompanion.
But...he never arrives. There is no trace at all of that young manwho was supposed to show up to accept his punishment game.
Mikoto sighs as shecradles her too-thin schoolbag and the violin case she'd been holding all thewhile butnow--When ToumaKamijou and Mikoto Misaka finally cross paths, the school comedy that revolvesaround a punishment game will begin!