Phase Shift : Mirage Sessions

The State of Arcadia is commanded by the Empress, who has ruled with an iron hand for decades. Several institutions exist in this state. Among them, the Institute that trains students in the mastery of the "Astra", a new energy to achieve superhuman feats. Kira Leonhart joins this school along with a strange girl who fearlessly says she wants to become the next empress. Their paths are fated to cross.