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.
Liese-san will have completely 
mastered this guy's impure power.
… wird Liese-san die dreckige Magie
dieses Mannes vollends gemeistert haben.
Liese-san será capaz de utilizar el poder 
obsceno de ese hombre a la perfección.
Liese-san será capaz de utilizar el poder 
obsceno de este hombre a la perfección.
elle aura appris à dominer
il potere di quest'uomo impuro sarà
 completamente assimilato da Liese-san.
A Liese-san vai conseguir usar completamente 
a magia impura desse garoto.