Senki Zesshou Symphogear GX is the third season of Symphogear. It began airing from July 3, 2015 and also with 13 chapters. The openings of the series were made by Nana Mizuki, while the endings were made by Ayahi Takagaki, both are seiyus of the characters in the series.
Two years ago, a couple of idols, Kazanari Tsubasa and Kanade master, known collectively as ZweiWing fought against an alien race known as Noise helped by an armor known as Symphogear. To protect a girl named Hibiki Tachibana, seriously injured after the attack of the Noise, Kanade sacrificed to save her. Two years later, when Tsubasa has fought alone against the Noise, Hibiki ends getting the same power that Kanade.