To prevent a clash that may happen between Anos and humans 2,000 years in the future, Hero Kanon proceeds with the plan to become an imposter Demon King himself, with Shin agreeing to this decision. Gradually but surely, Shin begins to change, and Leno realizes that she loves him. However, after fulfilling his duty to protect her, Shin begins to  leave her side...
Because the Demon King got
to be with you for a long time, right?
لأنّ ملك الشّياطين تمكّنَ من البقاء
معك لفترة طويلة، صحيح؟
Der Dämonenkönig war
schon die ganze Zeit bei dir.
Siempre estuviste
al lado del Rey Demonio.
Has estado siempre
al lado del Rey Demonio.
Le Roi-démon
a toujours été avec toi.
Dopotutto, il Re Demoniaco è sempre stato con te, no?
O rei demônio sempre
esteve com você, certo?
Ведь вы с владыкой вместе
уже очень давно,