The Cute Master Was Actually the Black Demon King

1 – Regression

An ordinary high school student in Korea.

However, if there is a part that is a little incomplete, it will be that the boy is a serious terminally ill patient.

Everyday life as always, boring routines that always go on.

But that day was a little different.

I woke up earlier than I thought, at dawn.

When he started tidying up his room because he had nothing to do, he found an emergency fund he had hidden and forgotten someday.

On the way to school, I found a gold Shin Saimdang on the side of the road, but I didn’t pick it up out of reluctance.

And, and, and.

Aside from that, there were quite a lot of opportunities, coincidences, or things that could be called happenings.

…… However, was there a good reason for all that luck?

On the way down.

“──.”

While the boy blinked for a moment.

Baaa!

A fierce honking sounded harshly.

Quang!

“… ….”

The next moment, the boy’s vision was upside down.

‘—Ah.’

Getting hit by a large truck, the boy’s last thoughts in his life were.

‘…… Is this the reincarnation truck or something?’

…… It was just such a trivial thought.

“… ….”

I distinctly felt the sensation of my eyes slowly closing.

The boy twitched his finger one last time.

‘…… I will have to apologize to my parents for the rest of my life.’

No, you’re dead anyway so that’s impossible?

‘Aha.’

Unfortunately, a shallow laugh erupted from within.

“… ….”

Parents, relatives, or friends.

Anyway, remembering all the people who would be saddened by his death, the boy muttered briefly to himself.

‘Sorry, everyone.’

Because I’ve caused some trouble.

…… Like that.

South Korea’s ordinary boy met his end in that way.

… ….

…… And, and.

A new ‘beginning’ came to the boy again.

*****

“… ….”

To-duk, to-duk.

Shoot ah-

It was a day when very heavy rain continued to pour down.

But.

The scenery of the world was ruined to the point where I couldn’t even pay attention to that kind of rain.

To the extent that it can be called the worst, to the extent that it can be described as atrocious.

“…… Master.”

“… ….”

A young man murmured softly as he caught the black rain with his whole body.

Are you in your late 20s or just over 30?

At best, he was just an ordinary man who could be called a young man.

If there is something worth paying attention to, is it the fact that the young man’s appearance is truly special?

Slightly long platinum hair, a gorgeous wall that sparkles as if it contains the sea.

Perfect features, as if they were created by God himself.

“I never thought things would turn out like this.”

Even the voice that came out cautiously was to the point where it could be called a heavenly tone.

…… However.

Those elements didn’t matter at all now.

The most important thing right now is the youth.

“…… I mean.”

It must have been a conversation between a girl standing in front of the young man.

With her black hair fluttering once again, the girl opened her mouth again.

“I never thought that the day would come when my disciple and I could see each other in this way. Should I really say that it was something I couldn’t even imagine, hehehe.”

The girl let out a shallow laugh.

“…… Ah.”

However, he completely erased that smile.

The girl’s golden eyes flashed fiercely once.

“… ….”

But.

There was not even the slightest bit of fear in the eyes of the young man who was staring at such a girl.

Why is that?

Even the young man himself couldn’t understand it well.

Somehow, for some reason.

“…… For me.”

“…… ?”

The young man brought her soft voice out of her mouth, and the girl turned her gaze back to the young man.

Facing that girl’s gaze head on.

The young man continued her words slowly.

“Such Master’s smile… ….”

…… For yourself.

The smile of such a girl is truly bloody.

Just.

Normally.

To the extent that even oneself cannot easily understand.

“…… It just looks pitiful.”

“… ….”

The young man ended his words with a bitter expression.

Just after that, something that could be called light in the girl’s golden eyes disappeared in an instant.

Quaak!

“…… !”

A black light spear flew through a crack created in mid-air and pierced the young man’s thigh.

“──!”

“… ….”

In front of a young man who can’t even scream amid the atrocious pain that attacks his whole body in an instant.

“I am.”

The girl had a ghastly murderous expression on her face.

“…… Did I look complacent? To my disciple.”

“… ….”

“I am the black demon king who occupies the throne among the 12 demon lords.”

As he cast a sullen gaze down at the young man who was gnashing his teeth in pain.

The girl let out an inorganic voice.

“No matter how disciple you are, I have no intention of keeping only you alive in a world that is about to end.”

“… ….”

The young man kept his mouth shut.

She lowered her head, as if she was drowning in despair and hiding her sorrow inside.

“… ….”

Why was the expression of the girl looking at such a young man distorted?

Awesome!

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In an instant, the girl bit her lip hard enough to make a harsh sound.

A line of blood began to flow from her lips, and the girl’s expression began to return to its original expressionless expression.

…… Don’t be agitated.

I can’t do that, and I don’t even deserve it.

You can’t even have any feelings for the young man who is now lying in front of you.

You can’t do that.

…… That’s not okay.

“…… Alright then.”

Effortlessly hiding the wildly swirling thoughts inside.

The girl opened her mouth again, parting her lips.

“…… Farewell, disciple.”

Choo!

In the girl’s hands were two black long spears.

It boasts a terrifying anticipation, as if it could be cut just by brushing against it.

That kind of black window.

“… ….”

Sug-

And soon, those two spears were aimed at the young man’s heart.

“──.”

The girl made up her mind and gritted her teeth.

Just at that moment, when he pierced the spear and tried to pierce the young man’s heart.

“…… Flaw.”

“…… !”

It was at that moment that the young man suddenly let out a laugh.

Hwaaagh!

“…… Awesome!”

The blue light that suddenly exploded from the young man’s palm pushed the girl back.

Quaaagh!

Right after that, a violent explosion erupted, and the young man struggled to get himself up before he knew it.

“…… Disciple.”

“Why do you call me so vaguely, Master?”

Ssiik-

The young man had a distorted smile on his face.

“…… Did you really think that I would give up like this?”

“… ….”

Hook!

Just kept his mouth shut, without even replying.

The girl again changed her gaze to seriousness and fixed her black spear.

“hahahaha.”

However, not paying attention to the girl’s bloody expression, the young man just let out a dejected laugh.

It really felt like the laughter of someone who had let go of everything.

The two eyes of the young man who was actually smiling like that were burning with so much passion that there was nothing more.

“I am your disciple. Even though I didn’t know until the last moment, I’m a disciple of the black demon king.”

“… ….”

Quack!

At the young man’s words, the girl bit her lower lip.

“Don’t keep bleeding like that. Bulcho disciple, my heart really hurts.”

“…… Gibberish.”

The girl’s eyes began to glow with anger.

“Does such a joke come out even at this moment, disciple?”

…… Slowly, her voice was getting emotional.

“I am the Demon King, and I have just destroyed the world.”

I wonder if she was aware of the fact that her own voice was gradually becoming rougher.

Probably not, the young man thought to himself.

“…… I also just called you a disciple with an empty meaning, but there’s no reason why you still take me as your teacher—!”

“—Yes.”

“…… Awesome!”

In response to the young man’s immediate reply, the girl flinched once.

Facing such a girl head-on, the young man put a faint smile on his lips.

Slowly, the blue light of mana began to pour into the young man’s hands.

“Let’s go back, Master. For the first time.”

“…… What are you saying.”

At the words of a young man who had no match for their meaning, the girl spat out a trembling voice.

‘…… The world has already been destroyed.’

Her eyes were beginning to vibrate.

…… The world was destroyed, and there was no way to turn it back.

─But, if that’s the case.

Why, her own disciple-sama.

“…… hahahaha.”

…… Does that mean you can keep a bright smile on your lips?

‘…… My disciple, really.’

The girl’s expression distorted into a vague expression.

Somewhere as if lonely or bitter.

…… And towards such a girl, he throws a defiant gaze once again.

“I will save you.”

“──.”

The young man spat out that with determination.

“To the extent that it can be said without fail. You can trust me.”

The girl’s expression instantly changed in a daze, but before the girl could react, the young man continued talking.

“For the beginning, back to the beginning. I’ll save you Trust me, your disciple.”

“… ….”

“…… Alright then.”

Before the girl could even reply.

No, it doesn’t even give me a chance to react on purpose.

The young man began to raise the remaining mana as much as he could.

Quaaa!

Even though there aren’t many left, the user is different.

Even if it’s just a handful of mana, if it’s used by a high mage-level wizard who has passed the 9th circle.

The result will be much different.

And the young man who is a user of such mana must be a wizard of the level of a great mage, which is one of the few on the continent.

“It is you who have brought me to this point and raised me. Master.”

The young man twisted his mouth and showed a distorted smile.

Keep.

…… Slowly, the young man’s mana moved.

“It is the crystallization of the 2nd grader trained in fantasy novels and light novels. This magic.”

Bye, jjeok.

The space began to distort as it moved.

“If you want to stop it, try blocking it, once.”

…… If you can stop it, that is.

Ugh-

The space was slowly drawing a magic circle, emitting a strange echo.

“…… That, the magic circle.”

“hahahaha.”

And as soon as she held such a magic circle in her eyes, the girl was able to see through its true identity.

Isn’t the black demon king who reached the pinnacle of magic in the first place her true identity?

It was impossible not to know.

“It interferes with time…… ?”

The girl’s eyes began to shake wildly, and her voice began to contain a hint of astonishment.

It couldn’t be.

There were countless magics that interfered with space, but ‘time’ was an exception.

It was impossible with human magic, and it was impossible at the same time.

“…… Have you reached that level? A disciple?”

“How is it, do you think you have become a disciple you can brag about?”

The young man smiled brightly.

“──.”

Then, just after that.

Wow!

Because the young man held out his palm toward the center of the magic circle that was completed before he knew it.

Quaaa!

The blue light of mana spread wildly in all directions, creating violent waves.

“…… Ah.”

…… And, the expression of the girl watching that scene in real time.

For some reason, she was shining a very complicated and mysterious light.

The girl’s slender hands trembled.

Towards such a girl, she directs her inner side completely.

The young man put a gentle smile on his lips.

“Wait, Master.”

“… ….”

“…… Before you go berserk, I’ll save you somehow.”

…… Therefore.

Please wait, Ashera.

Don’t abandon me, Master.

“I will save you, for sure.”

…… It was a word she said to her girl, but at the same time, it was also a word that she instilled in herself a certain determination.

“If you don’t believe me, try my second grade.”

“… ….”

“…… My second grade disease has really deteriorated to the point where it’s gotten to the point where I’ve finally created a ridiculous magic circle like this.”

If that’s enough, wouldn’t it be nice to believe it once?

As an existence that can surpass you and save you at the same time.

Paaa-

…… The world was gradually turning blue.

It was a very beautiful and awe-inspiring sight at the same time.

“…… He said he would save me.”

“…… !”

It was about that time that the girl opened her mouth again.

The young man opened his eyes wide in surprise, and the girl smiled lightly at him.

That was a completely different texture from the smiles he had until now.

Somewhere lonely, but at the same time, for some reason, I feel hope and anticipation.

Such—

“—I’ll trust you, disciple.”

From noble mtl dot com

“…… Master?”

“…… If I can be saved by a disciple, I must be very lucky in that time period.”

“What do you say?”

Despite the young man’s questioning, the girl just kept going.

“…… If my disciple had a future to be saved, maybe I too.”

—I could have made a slightly different choice.

…… Wouldn’t it be possible to greet a slightly different future?

I didn’t say anything behind the scenes.

I didn’t want to bring it out of her mouth.

If you have to put it that way, it’s a matter of pride.

…… To my dear disciple, I did not want to show such a weak side.

“…… Ahahahaha.”

The girl let out a shallow laugh.

‘It’s just a family with no meaning now.’

…… Just with a lonely expression on her face.

The girl smiled gracefully at the young man who was putting all her energy into the magic circle.

“Please, I hope that the past me can be saved by the disciple.”

“Master.”

“…… I sincerely hope.”

“…… Master!”

The young man screamed at the strangely intensifying emotion.

Hwaaah!

“…… This!”

It’s already too late.

The magic circle emitted a bright blue light, and began to carry out its reason for existence.

Bye, jjeok.

The space is distorted.

A world that has come to an end, a world that is collapsing.

Time in such a world gradually stopped.

──.

Soon.

Queek, queek.

With a sound like gears engaging, it starts going backwards.

To the past, to the past, to the past.

To a world of long-lost possibilities pushed far beyond.

The ‘time’ of the world is pushed aside.

Finish.

Exactly ten years ago.

A time when the young man was still a son of a duke.

To put it bluntly, an enemy that should be called a boy.

At the same time, back to the days when the girl who was called the Black Demon King was still the magic teacher of the son of an ordinary duke.

‘Time’ is.

Like that.

In the end, I came to return.