Onna Maou no Fukushuki

Final battle Everything in this world knew the battle. That is to say, the hero who was the only person recklessly challenged the Demon King. And the hero boldly fought the Demon King, succeeded in sealing the Demon King through numerous battles. That is the content of the final battle that has been passed down to the present. What happened to the sealed Demon King? This is the story of such a demon king