During a concert by idol group Zwei Wing, an alien force known as the Noise attack the stage. Group members Tsubasa Kazanari and Kanade Amou suppress the attack using their Symphogear armor, but despite their best efforts, innocent bystander Hibiki Tachibana is fatally injured. Distraught and much to Tsubasa's dismay, Kanade sacrifices herself in the process to save Hibiki.
Two years later, Hibiki lives on. Tsubasa now fights alone. With the threat of the Noise increasing, Hibiki finds herself encountering the Noise once again but this time she is granted a chance to become attuned with the same Symphogear that Kanade wielded.
MegaTokyo 2033: Tokyo was left flattened as a result from a great earthquake.
A new city, MegaTokyo, was then recreated due in no small part from the aid of a multi-million dollar company, Genom Corp. Genom created and mass-produced biomechanical creatures called Boomers to aid in the restoration of MegaTokyo.
When the Boomers began to run out of control, the ADPolice at first tried to stop them, but they proved to be far more difficult to deal with than was first imagined.
Under the ever looming Boomer threat, a group of four girls from varying degrees of society banded together. Calling themselves The Knight Sabers, they were the only ones with enough firepower and resourcefullness to defend the fledgling MegaTokyo from Genom and it's berserk Boomers.
Three computer-savvy kids, Naoto, Yuka and Ippei created their own videogame superhero, but then discover it possessed by an inter-dimensional police officer, Gridman. Pursuing an evil program called Kahn Digifer, he merges with Naoto and fights Kahn Digifer's digitized monsters in order to prevent the computerized demon from wreaking havoc on the Human World.
Super Force is an action-adventure TV series about a former astronaut who uses an advanced combat suit and motorcycle to fight crime in the city of Metroplex during the year 2020. Among the features of the suit were enhanced strength and armament, whereas the motorcycle had an array of James Bond-type gadgets and weapons.
Izu suddenly appears before Aruto in Satellite ZEA. However, there seems to be something off abouther appearance and speech! Izu claims she is suffering from a systems failure and has lost all of her data on Zero-One! In order to update Izu's data on Zero-One, Aruto decides to go back and revisit all of their previous battles.