The Demon King has invaded the Humanity's territories. In response, Humanity sends a Hero to defeat the Demon King.
Yada Yada Yada... The Hero has reached the Demon King's castle and is about to face him.
The Final Battle, the deciding match for the fate of the world is about to begin.
Then all of a sudden, a third party appears...
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This is a oneshot. Hope you like it! 🍫