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?!
If we're really doing this, 
we've got to think of a plan.
.إن كنّا سنفعل هذا، فعلينا التفكير في خطّة
Wir brauchen einen Plan,
wenn du das durchziehen willst.
Si quieres hacer esto,
tenemos que pensar en un plan.
Si quieres hacer esto,
tenemos que pensar en un plan.
C’est très risqué.
Il faudra agir prudemment.
Se vuoi fare davvero una cosa del genere,
 dobbiamo pensare a un piano.
Se vamos mesmo fazer isso,
temos que pensar num plano.
Без продуманного плана
лучше и не рыпаться.