A Certain Magical Index follows the story of Touma Kamijou, a high school student with a mysterious power that cancels out any other supernatural abilities. He becomes involved in a secret organization known as Necessarius, and is tasked with protecting Index, a young nun who possesses forbidden magical knowledge. As Touma navigates through a world where magic and science collide, he must unravel the mysteries behind his own power and the true nature of the Index Librorum Prohibitorum.
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