Aileen finds out that Claude's aide, Keith Eigrid, has been selling demons. Keith tells Aileen about the reason why and reminisces about their past. Now that Aileen knows his true feelings, she decides to cooperate with Keith to prevent Claude from despairing about humanity and turning into a demon. At the same time, Cédric and Lilia visits the demon lord's castle to tell Claude Keith's secret?!
Looks like you've completely 
and utterly forgotten.
.يبدو أنّك نسيت ذلك كلّيًّا
Das hat sich wohl
aus Eurem Köpflein verflüchtigt.
Parece que ya se te olvidó.
Parece que ya se te ha olvidado.
Vous avez vraiment
la mémoire courte.
A quanto pare 
se lo è completamente dimenticata.
Parece que se esqueceu
completamente.
Но вы опять всё позабыли…