September 30th. As the seasons change in Academy City, so do the seasonalclothes. Mikoto Misaka, talented esper student of the elite Tokiwadai MiddleSchool that stands above the hustle and bustle of the city, waits in front ofthe concert hall for her companion. But...he never arrives. There is no trace atall of that young man who was supposed to show up to accept his punishment game.Mikoto sighs as she cradles her too-thin schoolbag and the violin case she'dbeen holding all the while but now--When Touma Kamijou and Mikoto Misaka finallycross paths, the school comedy that revolves around a punishment game willbegin!