In Academy City, a high-tech hub where most residents are espers with extraordinary powers, Index holds 103,000 forbidden magical grimoires in memory. Kamijou Touma, a student whose Right Hand can nullify any supernatural ability, teams up with Index to survive a clash of magic and science as dangerous magicians and conspiracies close in. The first season blends action, humor, and urban fantasy as Touma uncovers the secrets behind Index and the power plays threatening them.

In Academy City, a high-tech hub where most residents are espers with extraordinary powers, Index holds 103,000 forbidden magical grimoires in memory. Kamijou Touma, a student whose Right Hand can nullify any supernatural ability, teams up with Index to survive a clash of magic and science as dangerous magicians and conspiracies close in. The first season blends action, humor, and urban fantasy as Touma uncovers the secrets behind Index and the power plays threatening them.