A Certain Magical Index

Siblings Tatsuya and Miyuki enroll at Magic High School, where Miyuki's honors status comes between her and her underachieving older brother.

Magic Knights are modern magic-users who fight with weapons converted from their souls. Ikki Kurogane goes to a school for these Magic Knights, but he is the "Failed Knight" or "Worst One" who is failing because he has no magical skills. However, one day, he is challenged to a duel by Stella, a foreign princess and the "Number One" student. In this duel, "the loser must be obedient for life."

Rosewood Academy isn’t for your average student. This prestigious school specializes in training future heroes destined to protect humanity. Among them is Earnest Flaming, a young girl with unmatched skill who holds the highest record. But her reign at the top is challenged when she’s assigned to mentor a new and carefree student, Blade, whose power rivals her own!

Thirty years ago a strange phenomenon called a "spacequake" devastated the center of Eurasia, claiming the lives of at least 150 million people. Since then, smaller spacequakes plague the world on an irregular basis. Shido Itsuka, a seemingly ordinary high schooler comes across a mysterious girl at the ground zero of a spacequake and learns she is one of the "Spirits" who are the real cause of the spacequakes that occur when they manifest themselves in the world. He is recruited to make use of his mysterious ability to seal the Spirits' powers thus stopping them from being a threat to mankind. However, there is a catch: to seal a Spirit's power, he must make her fall in love with him and kiss him.