[DeepL Translation - needs review] Volume 1 Introduction: If I Destroy Mankind--Will You Stay With Me?
A brave warrior who has been entrusted with the task of defeating the Demon King heads for the castle of the Demon King.
When he arrived at the castle, he was greeted by the Demon King with a marriage certificate in his hand!
To his surprise, the Demon King was the hero's true love!
The hero is puzzled by the Demon King's "marry me" appeal, but...?
A love comedy of the Demon King who is in ...
