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.
That means, with her personality, 
she can't just sit still...
Das bedeutet, dass sie selbst
nicht stillhalten kann …
Es decir, es una persona que 
no soporta quedarse quieta...
Es decir, es una persona que 
no soporta quedarse quieta...
Donc,
In altre parole, data la sua personalità,
 non riesce a star ferma...
Isso significa que ela tem uma personalidade 
que não consegue ficar parada esperando...