A certain unlikely hero.
In Academy City, where superhuman abilities are scientific reality, Touma Kamijou is trying to reconstruct a life for himself, but that's easier said than done with a girl by his side with the arcane knowledge of 103,000 grimoires rattling around in her brain.
Now seemingly inextricably caught up in a world where magic is a reality, Kamijou learns that a certain shrine maiden is being held captive in one of Academy City's cram schools.
Can Touma ally himself wi.
Yen On A certain magical index, vol. 2 (light novel), paperback/kazuma kamachi
