A Certain Magical Index

When a zero‑rank esper meets a walking forbidden grimoire, science and sorcery collide in explosive chaos.

In the hyper‑advanced metropolis of Academy City, science reigns supreme and the majority of its residents are espers—students who wield psychic powers as casually as a smartphone. Amidst this glittering backdrop walks Touma Kamijou, a lanky high‑schooler whose esper rank is a dismal zero. What he lacks in psychic might, he more than makes up for with a bizarre, unexplainable ability called Imagine Breaker, which can nullify any supernatural effect it touches. Though his power is the subject of endless speculation among the city’s elite researchers, Touma treats it as just another quirk of his otherwise ordinary teenage life. His routine shatters the day he encounters Index, a petite, silver‑haired girl who has committed the entire Library of Forbidden Books to memory. Hunted by a cabal of magicians and religious sects eager to exploit her knowledge, Index becomes the unwilling focal point of a clash between science and sorcery. Determined to shield her, Touma is thrust into battles that pit his negating touch against everything from ancient curses to high‑tech esper assaults. As the line between the rational and the arcane blurs, he discovers that the true strength of his “useless” power lies not in its ability to destroy, but in its capacity to protect the fragile humanity caught in the crossfire.

A Certain Magical Index blends sci-fi and fantasy action as a powerless boy protects a girl who holds 103,000 forbidden grimoires. Expect regular battle violence, light fan service, and some dark storylines about exploitation and memory manipulation that may unsettle younger viewers.