After learning of a plot to destroy the city from a man calling himself Ishmael, Touma sets out to stop a destructive Super Weapon named the Atma Weapon. A weapon of mass murder constructed by the Acolytes of the New God. Touma soon realizes that it takes more than a group of plucky teenagers to prevent a nuclear strike. The fate of Academy City rests on Touma's shoulders.

Sephiroth, once a respected SOLDIER member, has turned into an evil entity. Time and time again, he is defeated by a man named Cloud. But now he is banished to another world. Losing his magic and Immortality, he must try to fit in with society and live a normal life. But after an attack by the Acolytes of the New God, his anger re-awakens his magic. he must destroy this evil cult.

When a new online computer game based around the poplar Final Fantasy games is released in Academy City, the girls of A Certain Scientific Railgun find themselves *drum roll* stuck inside! Light hearted parody of both franchises, plus a bit of online games and games in general!