A pact with a Z/X known as Rigel saves Azumi's life. Finally able to live as a normal girl, Azumi starts a new year at an academy for humans and their Z/X partners.
The students learn the truth behind the attack on the academy. The realms all face an existential threat and the time has come to unite against a common foe.
The Rank E and D Teams face off in a mock battle. But when Matoi panics and unleashes her power, her teammates find themselves caught in the crossfire.
It's time to say goodbye to the Student Council since its members are transferring overseas. Azumi wants to do something special and plans a farewell party for them.