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...
The days I’ve spent with you here...
...الأيّام الّتي قضيتُها معكِ هنا
Los días que pasé aquí
le dieron una vaina a mi cuerpo.
Los días que he pasado aquí
le han dado una vaina a mi cuerpo.
C’est comme si j’avais trouvé un fourreau,
depuis que je suis ici.
I giorni che ho trascorso qui
После проведённых здесь дней
я чувствую, будто меня вложили в ножны.