Touma Kamijou just can't catch a break. He might live in Academy City, a place full of more super powered students than you can shake a stick at, but his only superpower is his supernatural lack of luck. He wants nothing more than to keep a low profile, but when a girl named Index comes into his life, it gets more complicated and dangerous than ever!

Mikoto Misaka is a Level Five esper--one of the most powerful in Academy City. She's so powerful, in fact, that her DNA has been harvested to create a series of clones--the "Sisters." But who is behind these clones, and why would they go to such lengths? The sinister truth is nothing she or Touma could have imagined, and it involves the terrifying Accelerator, the most powerful esper of all time!

Touma Kamijou is the unluckiest boy in Academy City. Having settled the magical side of his problems for a while, the scientific side of things starts to heat up when Touma's rival-turned-friend Mikoto meets her own clone. That's only the beginning of a chain of events that leads Touma and Mikoto to face their deadliest foe yet. Kazuma Kamachi's smash-hit light novel series continues!

Seven days have passed since the start of the Daihasei Festival, one of the biggest events of Academy City. Everyone is participating--Seiri Fukiyose is helping coordinate the games, Komoe Tsukuyomi dresses for the part as she cheers for her students, and of course, famous Mikoto Misaka is blowing away the competition. Even Kamijou has appearances! But a shadow has fallen across the celebrations: The Croce di Pietro. This magical artifact threatens the livelihoods of everyone Kamijou holds dear so he dashes off to try and bring Academy City back from the brink. But Oriana Thompson, the magician known as Route Disturb, and the Roman Catholic Church are determined to bring the bastion of science to its knees. Kamijou is going to need all the help he can get-and some luck for once wouldn't hurt!

In a staggering battle of electricity versus every super power imaginable, Mikoto Misaka, the third most powerful Level 5 psychic in Academy City, aka "The Railgun", has managed to hold her own against rogue scientist Kiyama Harumi. But Misaka's luck may have just run out. The Level Upper network has given birth to an "AIM Burst", an entity of immense power with one singular purpose--to absorb every last AIM Dispersion Field in Academy City so that it can grow all-powerful. To achieve this, it has set its sights on its next meal: Academy City's experimental nuclear reactor! Also included: A special two-part prequel exploring how Misaka's friends Kuroko and Uiharu first met.

"After bringing an end to World War III, Touma Kamijou disappears from the world. Both sides--magic and science--take the time to rest and regroup. While Accelerator spends his days with Last Order and Misaka Worst, Shiage Hamazura uses the secrets he gained in Russia as a bargaining chip and returns to Academy City to reform Team ITEM. It seems like peace is here at last. That is, until a new group called the Freshmen arrive."--

Gremlin, a belligerent organization merging magic and science that formed after WWIII, is operating behind the scenes in Hawaii. Under the guidance of Leivinia, leader of Dawn-Colored Sunlight, Touma Kamijou, Mikoto Misaka, Accelerator, Shiage Hamazura, Misaka Worst, and Umidori Kuroyoru head to America's 50th state. But no sooner do they land at New Honolulu International Airport than Gremlin springs a surprise attack on them. Fortunately for Kamijou and company, one man has already clued into Gremlin’s schemes and is trying to take them down himself—Roberto Katze, the President of the United States!