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.
Lost Technica and Problem Solving
Lost Technica und Problem Solving
 Técnica secreta y resolución de problemas
 Técnica secreta y resolución de problemas
LOST TECHNICA
&
PROBLEM SOLVING
Tecnica Perduta e Risoluzione del Problema
Mistérios Secretos e Resolução de Fenômenos