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?!
Claude Jeanne Elmir, you are now 
bestowed the title of crown prince.
.كلود جان إلمير، مُنِحت الآن لقب وليّ العهد
Claude Jeanne Elmir,
Claude Jeanne Elmeyer…
Claude Jeanne Elmir, da questo momento
 le viene riconferito il titolo di Principe ereditario.
Claude Jeanne Elmir, receba agora
o título de príncipe herdeiro.
Клод Жанна Эльмеир,