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.
I will eliminate you in the name of the Security Top,
Ich werde dich im Namen von
Top Security vernichten,
Acabaré contigo en el 
nombre de Top Security,
Acabaré contigo en 
nombre de Top Security,
En tant que gardienne des grimoires,
je vais t’éliminer,
Ti eliminerò in qualità di 
Capitano della Sicurezza,
Eu vou acabar com você 
em nome da Top Security,