Liese, the last Trinity Seven, appears in the Eternal Library bearing a demon lord seal, making her a demon lord candidate, as well. She tries to entice Arata to join the evil mage side to help save Hijiri, and kisses Arata while he's unsure what to do. Arata has his magic stolen from him, and Liese decides to attack the school.
If you lose it, you can no longer exist in this world.
Wird sie dir genommen, kannst du
nicht mehr in der Welt existieren.
Si nos la arrebatan, dejamos 
de existir en el mundo.
Si nos la arrebatan, dejamos 
de existir en el mundo.
Sans force magique,
Se la perdi, non puoi più esistere in questo mondo.
Se você tem sua magia tirada de você,
 você não consegue existir no mundo.