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.
You're really strong right now.
Du bist wirklich stark.
En este momento eres muy fuerte.
En este momento eres muy fuerte.
Tu es devenue trop puissante.
In questo momento, Liese-san, 
sicuramente sei più forte di me,
Você está bem forte mesmo.