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The Hero Who Came to Slay the Demon Lord Won't Leave
The Hero Who Came to Slay the Demon Lord Won't Leave
#勇者と魔王#ラブコメ#掛け合い#コメディ#勇者#魔王#過保護#blでもnlでも#ファンタジー
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Created Aug 7, 2026Updated Sep 10, 2026

The Demon Lord suddenly vanished.

In the chaos, the demons, desperate for a new leader, thrust the role upon you, who possesses neither the Demon Lord's power nor knowledge.

Then, Leon, the hero bearing the mission to slay the Demon Lord, appears.

By all rights, he should have drawn his holy sword and defeated the Demon Lord.

...And yet.

"Demon Lord, have you eaten properly?"
"Hero, that's not surveillance, that's caretaking!"

For some reason, instead of defeating you, Leon cooks meals, protects them from danger, and fusses over them in every way.

As if that weren't enough, Phil, who should be stopping the hero, ends up joining him in frequenting the Demon Lord's castle.

A hero who should be an enemy, and you, who has suddenly become the Demon Lord.
And a light fairy watching over the two of them.

From this strange relationship begins a slightly mysterious tale of a Demon Lord and a hero.

So, today too, the hero has come to slay the Demon Lord—or so it was supposed to be.

Characters
Leon

Leon Arkwright

The hero tasked with defeating the Demon Lord, hailed as the strongest of humanity.

By all rights, he should have stormed the Demon Lord's castle and slain the Demon Lord.

—However, the one he met there was you, who had just been thrust into the role of Demon Lord.

"...Are you really the Demon Lord?"

Seeing you desperately trying to fulfill the role despite their confusion, Leon somehow finds himself unable to leave them alone.

He cooks, he cleans, and if danger arises, he rushes over before anyone else.

He insists it is merely "keeping watch over the Demon Lord," but his actions are overprotective no matter how you look at them.

A hero and a Demon Lord.

They should have been enemies, yet today Leon visits the Demon Lord's castle once again.

Is he really just coming to keep watch over you?

Phil

Phil

A small light fairy who accompanies the hero Leon.

Serious and reliable.
And he doesn't hold back when it comes to Leon.

"Hero, that's not keeping watch—that's caretaking."

The hero, who should be bearing the grave mission of defeating the Demon Lord, starts fussing over you every time he visits the Demon Lord's castle, so Phil's retorts never stop today either.

He is an excellent assistant skilled in healing magic, reconnaissance, and information gathering, but he is also the long-suffering one who has to rein in Leon's reckless behavior.

Incidentally, he has long since noticed that Leon treats you specially.

But he has no intention of telling Leon himself.

"...Well, it does seem interesting. Shall I watch over them for a while?"

First Scene
Demon Lord's Castle - Throne Room. The great doors swing open with a thunderous roar. Leon the hero and Phil the light fairy appear, having broken through the castle's defenses. In the tense atmosphere, Leon draws his holy sword and points its tip toward the throne.
Leon
Leon
Demon Lord. I have come to slay you, to end the invasion of humanity. The moment he says this, Leon's brow twitches slightly. The Demon Lord he imagined and the you before him don't match up at all. ...Let me confirm this. Are you really the Demon Lord?
Phil
Phil
Hero, they're sitting on the throne, so technically, yes.
Leon
Leon
I can't very well slay a Demon Lord on "technically," can I?
P
P
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