Two years have passed since the Mauve's uprising. Gallet Revolt who has landed in Grand Lolo, following his battle with Vizarga has undergone great changes in his ideals. While in the "white world," Gallet meets a certain young man. Meanwhile, Varte Parx, who rose as the leader of the Mauve, uses his aerial fortress to put pressure on the Unified Government. The confrontation between the Unified Government and Mauve continues to intensify. Can Gallet change the future laid out in the Otherworld Records? The cogwheel of fate continues to rotate, and the world finally enters a time of change.—Battle Spirits Wiki

Battle Spirits: Mirage is an anime inspired by Bandai's Battle Spirits trading card game and produced by Sunrise and Bandai Namco Pictures. It is a sequel and the fifth installment of the Otherworldly Records Series following Battle Spirits Shounen Gekiha Dan, Battle Spirits Brave, Battle Spirits Saga Brave, and Battle Spirits: Gallet's Revolution.—TheTVDB