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.
as a memento to show that 
I've graduated from this world.
als Beweis meines Abgangs
von dieser Welt mitnehmen!
como un lindo recuerdo de mi alma máter.
como un bonito recuerdo de mi alma máter.
Mon parcours scolaire
touche à sa fin.
come dimostrazione che mi 
sono elevata da questo mondo.
como uma lembrança agradável
 dos tempos que passei aqui.