A.D. 2115—the island nation once called Japan is now known as the "17th Far East Imperial City Management District." The citizens were promised a life of peace in exchange for some of the comfort they were used to having. People believed their lives would never change and tomorrow will be the same as today. No one suspected the impending doom which their society was about to face. "Degradation"—a rare disease which led to the total disintegration of the human body to a mere pile of sand was slowly but surely spreading throughout the world. Tohru Kazasumi, an ordinary student becomes embroiled in a multi universal battle between his world and the parallel world of "Frontier S (Stratos)." This meant that Tohru must fight himself from an alternate world. Their futures collide as their paths cross. Will both worlds ever find peace? (Source: Aniplex USA)

The three Kisugi sisters—Rui, Hitomi and Ai—during the day run a small cafe called "Cat's Eye." To discover the whereabouts of their father, the artist Michael Heintz, who has disappeared, Hitomi and her sisters rob art galleries as the smart and mysterious thief "Cat's Eye" in the hope that his works can give them clues about his vanishing. The crucial point is that Hitomi has a relationship with Toshi, a police inspector who has sworn to catch "Cat's Eye"—and of course he has no idea about Hitomi's double life. (Source: ANN)

Two young wrestlers face each other in a recently revived underground wrestling organization, the Tiger's Lair, which destroyed the wrestling dojo they grew up in. One took over the training facilities of Naoto Date at the foot of Mount Fuji, as well as the mask he left behind. The other dared to enter the Tiger's Lair and won a fierce competition, receiving a jet-black tiger mask. One tiger walks the path of light, while the other walks the path of shadows. Neither one knows the other's face. On the ring, they are natural enemies, but they have the same purpose—destroy the Tiger's Lair! (Source: MAL News)

Humanity is finally confronted with the threat of the Custodians—the ancient, sentient species held responsible for cursing humanity to speak different languages thousands of years ago. The Symphogear wielders—Hibiki Tachibana, Tsubasa Kazanari, Chris Yukine, Maria Cadenzavna Eve, Kirika Akatsuki, and Shirabe Tsukuyomi—are sent to the Antarctic in order to retrieve an ancient relic. After securing it and rescuing the scientific staff present there from a Coffin, the automated defense mechanism protecting it, the relic is given to American researchers due to international agreements. The criminal organization Noble Red, a remnant of the previously fought Bavarian Illuminati, starts targeting the relic. Will the Symphogear wielders and their supporting organization S.O.N.G. be able to foil the plans of the organizations conspiring against them? [Written by MAL Rewrite]