When the Kingdom's mages summon a Saint, Aira is whisked off towards grandeur and glory. Now ward to the Crown Prince and unable to return home, Aira must make a new life in a fantasy realm.

Sei travels to Klausner's Domain. When she's introduced to a masterful alchemist, Sei learns new things about potion-making--and her own powers.

Sei is invited to the royal palace for the Holy Saint's official debut. On top of that, it seems like she must also attend the royal ball.