Kuroko Shirai is embroiled in a case that involves her beloved "big sister," Mikoto Misaka. As Kuroko squares off against a fellow teleporter for the remains of the orbital supercomputer known as the Tree Diagram, the effects of their battle reach far and wide--affecting Mikoto, Touma, the worldwide network of Misaka clones...and even Academy City's strongest esper, Accelerator!

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!

A FULL COURSE OF CRAZY Accelerator raids an insanity-laden banquet thrown by the Dark Side, where all sorts of taboo foods are served! How will he fare against the Full Course espers who use innocent children as ingredients? Darkness meets darkness in this volume as the Nectar Arc charges toward its finale!

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's life is one of perpetual misfortune, which is why no one is more surprised by his sudden stroke of luck than Touma himself! Having won a trip for two to Venice, the City of Water, Touma and Index are excited for a European excursion. But the Italian peninsula is the home of the Roman Orthodox Church, and when old friends and foes alike show up, Touma's hopes for a relaxing getaway might just get washed away!

Acqua of the Back, saint and member of God’s Right Seat, issues a challenge to the English Puritan Church and Academy City: He’s coming for Touma’s right hand and will crush any who get in his way! Itsuwa is dispatched as a bodyguard, but how will Touma explain this new unexpected houseguest to Index?

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!

Touma has returned Orsola Aquinas to the Roman Orthodox Church--and it turns out to be a terrible mistake! Orsola's ability to read the Book of the Law is deemed a threat to Roman Orthodoxy, making her a prime target for execution. Can Touma, Index, and Stiyl save Orsola...and risk incurring the wrath of the world's largest Church?

Protests against Academy City have broken out worldwide, and the never-ending tensions between the forces of magic and science escalate even further. Who truly stands to benefit from the specter of conflict, and can anything be done to prevent the worst-case scenario? Touma travels to France to try to make a difference, but a fierce enemy stands in his way: Terra of the Left, a member of God’s Right Seat!

It’s a free-for-all on the streets of Academy City as its various shadow organizations take aim at one another! Hamazura and Item hunt down the members of School and the stolen prize they carry. Accelerator and Group rush to try to stop Block’s terrorist plot. And the forces of Member stalk them all! In this battle for the fate of the city, who will come out on top?