Kazuma Kamachi

A spinoff series from a certain magical index that follows Academy city's third ranked psychic power user or "esper", named Misaka. The series follows her and her friends in events ranging from everyday life, to those concerning the inner workings of Academy city and the sometimes questionable moral of those in power. (imdb)

In Academy city, a place wholly constructed for the purpose of creating and researching psychic powers. A boy, without even a trace of psychic power of his own, finds an English nun hanging from the rail of his balcony, overcome by hunger. The nun introduces herself as Index and discloses the existence of magic and a secret power struggle between Academy city on the side of science and the Christian church on the side of magic. (imdb)

Academy City stands at the forefront of scientific and technological progress, best known for their development of espers: those capable of wielding superhuman abilities that alter the rules of reality. The most powerful among them are the Level 5s, and the one known as Accelerator reigns supreme, even after being weakened by a severe brain injury. By his side is the young girl known as Last Order, whom despite his cold demeanor, he holds closely and vows to protect at all costs. (myanimelist)