Senki Zesshou Symphogear

When bizarre creatures known as the Noise threatens the Earth, only popular singing duo Zwei Wing has the power to fight back. But what happens after one of the idols sacrifices herself to save a civilian girl?

When young Hibiki is attacked by the Noise, she suddenly transforms into an armored warrior to fight them off.  But when the government comes to clean up, instead of actually thanking her, they... arrest her...?!

It's been one month since Hibiki's first battle. As she slowly adjusts to life as a Symphogear user, her grades start to plunge. After much effort, she finally turns in her make-up report and is free to look forward to the meteor shower that night. But then she gets another call...

A new Symphogear user has appeared, and she's not friendly. She's using the armor of Neshutan, which was stolen in the attack on the concert two years ago. Tsubasa loses control of herself, and prepares to sing her Ultimate Song...

The Japanese Government has decided that the enemy is getting too close to Durandal, the powerful intact relic kept at the bottom of the Abyss.  They want to move it to a secure location, which means transporting by car.  But the Noise are sure to notice, which means a high-speed car chase through a dangerous chemical plant.

As Hibiki is spending more and more time fighting the Noise, it means less time for her studies and less time for her friends.  Miku is feeling alone and isolated, but she makes a promise with Hibiki to go get some snacks after school.  But when school ends, Hibiki gets another call...