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!

The horrifying experiment to make Accelerator into an all-powerful Level Six has commenced--and it involves the wholesale slaughter of the little sisters cloned from Mikoto Misaka. Can Touma find a way to stop the seemingly invincible Accelerator? Could it be that weakness is stronger than strength could ever be?

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!

Item’s battle comes to a head as their hideout is raided, and the team reaches its breaking point. Disgusted with Mugino’s disregard for the other members’ lives, Hamazura finds the resolve to stand up to her. Mugino may be a Level Five, one of the strongest espers in Academy City, but she’ll see that even a powerless Level Zero like Hamazura can put up a fight when his back is against the wall!

A certain unlikely hero... Touma Kamijou has gotten permission to leave Academy City and goes on a beach vacation with his family. But somehow no one is who he remembers--and a certain magical spell is to blame for everything! Touma finds himself swept up in the mysterious Angel Fall spell in the latest volume of the smash-hit light novel series!

Throughout Academy City, the rumors are spreading like wildfire. People are finding mysterious envelopes containing free cash cards in and around the back alleys of the Seventh School District. Whipped up into a frenzy, the populace looks for as many cash cards as they can get their hands on, even if it means braving the perilous Skill-Out Territory, risking injury or worse by roving gangs of Level 0 thugs. Judgement is left with no choice but to step in... While Shirai and Uiharu try to crack the case and figure out who is behind the cash card chaos, Misaka decides to take to the streets herself... and soon gets embroiled in a disturbing scientific conspiracy the likes of which will rock her world to the core.

In the fallout of the attack on Hawaii, the twenty-seven partner corporations that broke away from Academy City announce that they will be hosting “Natural Selector,” a combat tournament in Eastern Europe. By holding the event, the Anti-Academy City faction hopes to prove the existence of powers that surpass psychic abilities, thereby destroying the identity of Academy City. With the help of Gremlin, an organization that merges magic and science, their scheme gets underway. Will Academy City be able to stop them before it's too late?