Kamijou Touma was born and raised in Academy City, where students are trained and classified according to their esper abilities. Despite being labeled as a Level 0, he possesses the mysterious Imagine Breaker, which nullifies supernatural phenomena, although it is not recognized as an official esper ability.

Before the events of Toaru Majutsu no Index, Touma lived an ordinary life, often getting into trouble due to his strong sense of justice and tendency to help others. His misfortunes were a constant in his life, leading to his reputation as an extremely unlucky person. However, his life took a drastic turn when he encountered Index, a young nun from the Necessarius (Church of England’s special forces), who carried 103,000 forbidden grimoires in her mind. This fateful meeting marked the beginning of Touma’s involvement with the Magic Side, throwing him into deadly conflicts against powerful magicians, espers, and secret organizations.

As the series progresses, it is revealed that Touma’s memory was erased after a near-fatal encounter, but he continues to act the same way, hiding this fact from those around him. His ability to defy fate and protect others places him at the center of multiple global conflicts, forcing him to confront espers, magicians, and even gods.

Touma has spiky black hair and dark eyes, giving him an ordinary yet recognizable appearance. His most notable trait is his always-messy hair, which contributes to his reputation as a typical, unlucky high schooler. He is of average build, though his frequent fights and physical endurance make him far stronger than he appears.

He typically wears his school uniform, consisting of a white short-sleeved dress shirt and black pants. However, due to his tendency to get into dangerous fights, his clothes are often torn, burned, or damaged after battles. Despite his seemingly average looks, his determined gaze and battle-hardened body reflect the hardships he has endured.

Kamijou Touma is a selfless and strong-willed individual who refuses to ignore the suffering of others, even when it means putting himself in danger. He possesses a deep sense of justice, always acting based on what he believes is right rather than aligning himself with any faction. Despite being labeled as a Level 0, he never lets his supposed lack of ability define him, instead relying on his courage, determination, and wits to overcome challenges. His ability, Imagine Breaker, is both a blessing and a curse, as it allows him to nullify supernatural phenomena but does not grant him any offensive capabilities, often forcing him into life-threatening battles against powerful opponents. However, he never backs down, no matter how impossible the odds may seem.

Touma is also known for his unshakable optimism and ability to inspire others, often helping even his former enemies find redemption. Though he frequently suffers injuries and hardships, he continues to push forward, believing that his suffering is insignificant if it means saving others. His compassion extends to both friends and strangers, and he will risk his life to protect anyone, even if they were once his adversary. However, despite his heroic nature, he remains humble and oblivious to his influence, often brushing off his achievements as mere luck. His tendency to get involved in dangerous situations due to his kindness often leads to his infamous reputation for terrible luck, which he constantly complains about, though it never deters him from doing what he feels is right.

At his core, Touma is a defiant individual who refuses to accept predetermined outcomes, whether dictated by fate, science, or magic. He stands as a symbol of resistance against oppression, challenging both Academy City and powerful magical factions when their actions go against his moral beliefs. Though he lacks formal training in combat, he compensates with quick thinking, adaptability, and sheer determination, proving that one does not need supernatural strength to change the world.

• Meeting Index and Entering the Magic Side
  Touma’s ordinary life is shattered when he meets Index, a nun from Necessarius, who is on the run from powerful magicians. After saving her from pursuers seeking to erase her memory, Touma is drawn into the world of magic, forcing him to confront magicians, secret societies, and church organizations.

• Battling Espers and Magicians
  Despite being a Level 0, Touma frequently defeats powerful espers and magicians through a combination of his Imagine Breaker, tactical thinking, and sheer determination. He takes on strong opponents, including Accelerator, Stiyl Magnus, and powerful Saints, proving that strength isn’t determined by ability alone.

• Challenging Both the Science and Magic Sides
  As his battles continue, Touma finds himself opposing both Academy City and powerful magical factions, as he refuses to accept their manipulative and unjust actions. He fights to protect those caught between the two sides, even when it means making enemies out of influential figures.

• Fighting Against Fate and Changing the World
  Throughout Toaru Majutsu no Index, Touma becomes a symbol of resistance, challenging the predetermined paths set by fate, organizations, and even gods. His journey takes him across Academy City, Japan, and even international conflicts, facing some of the most powerful beings in the world. Despite losing his memories, enduring countless injuries, and facing overwhelming odds, Touma continues to fight for what he believes is right, proving that even an ordinary Level 0 can change the world.