Border area (2)

Time passed and it was Friday.

Every Monday and Friday are lectures on Mathematics.

Estelle was making her way across the campus to the classroom.

“What are you going to show me today?”

Perhaps it was because of the strong impression Kang Yu-jin left behind, Estelle was already looking forward to the extraordinary professor’s class.

Whether that was her only thought, the classroom she arrived at was already filled with over 100 students.

‘stupid guys.’

Estelle glanced at them with narrow eyes.

Sometimes, while making a fuss about not being able to take this class, it was funny to sit there as if nothing had happened.

He sighed quietly and took out the textbook from his bag.

The title is ‘Introduction to Mathematics’.

As befits a rustic title, it is a time-honored textbook of great magic mathematics that has never changed.

‘There’s not much to learn, though.’

Estelle was clever from a young age.

He was smart enough to take a college course at the age of ten, and his magical talent was twice as great.

Estelle was so outstanding that everyone unanimously praised her as the next Constellation of Altair, and she herself was well aware that she was great.

That’s why, like Helios’ training course, I took it all off before coming here.

I have already read this Dae Ma Mathematics textbook more than 10 times, and memorized all the contents and points.

Reading the textbook again now, there was nothing more to learn from her.

“I hope I learn this as it is.”

He was such an influential professor.

Estelle secretly expected him to give a different lecture rather than an outdated theory.

rattle-

The time came, and Professor Yujin Kang came in.

A tight-fitting hat, a thick black leather coat, and worn leather gloves and boots.

It was the appearance of a shrewd hunter, no different from before.

stuck-

At his gestures, the curtains in the classroom were drawn one by one, and the flicking fingers turned on the lights.

Standing on the podium, his eyes sharply scanned the students, and before long, a distinctive bass sound echoed through the classroom.

“Open the book.”

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Just one word.

He didn’t even say blood anywhere.

However, Estelle opened the first page of the textbook as if possessed.

The reason was simple. Kang Yoo-jin’s voice contained an allusion to Paige.

Conveying a suggestion to over 100 people with a single word!

Estelle opened the page with her eyes shining with her pounding heart.

However, her hopes were soon shattered.

“The first semester lecture combines theory and practice. Today is the first lecture, and I will teach you what witches are before learning combat. Everyone, please look at the first paragraph on page 5.”

Could it really be a theory class?

Estelle, who had been looking forward to such a tremendous mental control class, could not hide her disappointment.

It was the same for the other students, so a shadow fell on their faces as they looked at the podium.

Some of them sighed as if they were already bored.

That’s because it’s different from what you expect.

‘I’ll just pretend to follow.’

Anything you know anyway.

If it were another subject, I would have been blatantly different, but this class at least needed to look good to the professor.

Estelle decided to play a diligent student for later learning.

“…The origin of the witch beast has not been revealed, but its ecology is very complex, and it has a deformed structure. Also, the main difference is that the basic biological activities are based on magic. .”

Page 5, 3rd paragraph, 2nd line.

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Just by listening, I could tell where it was coming from.

That’s because you’ve already memorized everything.

haaam. Bored.

I barely restrained myself from yawning in boredom.

When will you learn to control your mind?

Completely disinterested in the class, she became more and more distracted.

“In the book, it is written that they communicate on a specific frequency. It is an important content, and it is also applicable to other monsters, not just tunnel worms. However, the information that can be obtained from this does not stop at this level.”

And, it was at that moment that Kang Yoo-jin’s lecture suddenly changed.

“So, I would like to add more in-depth content here.”

He sprayed magical energy into the air and drew the shape of a demon.

A body stretched like a snake with a wolf’s head. and bizarrely sharp front legs.

It was the appearance of a tunnel worm, a low-level monster he had described.

“They use their unique power bandwidth to detect prey and communicate with the pack.

And this is the wavelength of that bandwidth.”

He manually visualized the bandwidth of mana.

Not only that, he himself reproduced the bandwidth and played it as sound.

Kruck. Kreuk.

A strange sound echoed through the classroom.

“I just said ‘Nice to meet you’ in their language. How is this possible? It’s because their communication bandwidth can be replaced with a specific code.”

In this way, he interpreted the language of the tunnel worm as a binary system consisting of 0 and 1.

He projected several images as examples, and interpreted the cries of the tunnel worms using the method he showed.

And, their movements revealed in the video matched perfectly with his interpretation.

“·······.”

Was there anything like this?

I quickly checked the textbook, but there was no such thing anywhere in the book.

There is only content that says, ‘Tunnel worms communicate with a specific bandwidth.’

In other words, it meant an in-depth interpretation of the textbook that Yujin Kang independently informed.

Crunchy square-

I heard the sound of writing somewhere.

When I turned my head back, a dark-haired female student sitting in the farthest corner was taking notes diligently.

dang- dang-

The alarm went off.

Estelle hurriedly took out her notebook and pencil.

It wasn’t something to just listen to stupidly.

“…Then, does this conversation only work for tunnel worms? No. I’ll look at witch beasts that use a bandwidth similar to this.”

He immediately launched an additional 5 monsters.

They were monsters on pages 25, 58, 104, and 288 of the textbook, respectively.

“These are all monsters whose main stage is underground. Their habits and characteristics are similar, and they are slightly different, but we can see that they all use the same magical bandwidth. In other words, by understanding one monster, we can learn how to attack all derived species. that can be obtained.”

Yujin Kang’s words were neither fast nor slow.

He talked a lot, but his voice was firm and powerful, so it was easy to concentrate.

Then, if the students seemed to be falling behind with the notes, I slowed down the progress to give them time to catch up.

He seemed to be playing with his lectures and his time.

The classroom was thoroughly his domain, and only his voice was absolute there.

More than 100 students were paying attention to Yujin Kang’s lecture.

This was a rare sight that cannot be seen in any lecture.

What is the content of the class there?

‘There’s nothing to miss…’

The textbook was just a help, but the important thing was in the interpretation and solution he solved.

His interpretation was unique and valid, and detailed beyond imagination.

Estelle knew right away where this knowledge came from.

‘You did the research yourself.’

I knew it because I saw Yujin Kang’s profile.

He did not stop at catching witches, but studied and systematized their characteristics.

There, it was as if all of the 20 years of know-how Kang Yu-jin had said was contained there.

“If I miss it… I can’t.”

her hands became tense.

The thought of pretending to listen has long since disappeared.

This is the essence of knowledge forged on the battlefield.

Kang Yu-jin’s records and legacy were locked with security, so there was no place to go and listen to them except now.

Kang Yoo-jin’s class continued for three hours, but no one felt that the time was long.

Not to miss a single line or hand gesture from Kang Yoo-jin, everyone was burning with determination.

His ability to communicate information, which he had forged on the battlefield and briefed the military, was so effective even against the children of the stars with high retardation.

“It’s time.”

And, it was time for the lecture to end.

“I’m going to end here today. Take care of the contents, and if you don’t know something, come find me.”

Without hesitation, he packed his bag and left the classroom.

The time is 4 o’clock.

It was a cut-and-dried day off work.

“·······.”

Kang Yoo-jin left, but Estelle did not.

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Just like the last class, she was nailed to the spot and stared in vain at Kang Yoo-jin’s departure.

“Is it over already…?”

I looked at my watch, not wanting to believe it, but the time was correct.

In the meantime, three hours had already passed.

It was disappointing.

Why is this class 3 hours long? Can’t you make it a generous 8 hours?

Why is it only twice a week? It would be nice to get rid of the other useless subjects and fill it up with this one.

“ha···.”

Deep regret flowed out as an empty sigh.

“I couldn’t write everything down…”

I was lost in the beginning and then I missed the beginning.

But when I went to see the professor, I couldn’t because I was afraid that he would be found out for not paying attention in the beginning.

Because I decided to be a sincere child to Kang Yoo-jin…

She looked at her notes.

It was perfectly organized, but the front part was blank, and it was 2% missing.

“Whew…”

A deep sigh came out.

*

Estelle was holding on to her notebook even in the classroom after class.

Even if you haven’t finished writing, you can review it once you see it.

However, every time that happened, the front part, which was not less, was painful, and her expression showed no sign of loosening up.

“Hey, Estelle, right? Do you have time right now?”

At that time, there was a student looking for her.

Blond hair and a slightly sloppy face.

Searching her memory, she eventually remembered who he was.

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Jason Dalton. He is the son of the Dalton family.

It’s not as good as Estelle’s Altair, but in Helios, he’s the son of a noble family.

In my heart, I wanted to ignore it, but as Altair’s daughter, I couldn’t bear it, so I replied indifferently.

“what’s the matter?”

“Yeah~ It’s nothing special, why don’t we go out together?”

“I have to review-“

“Wait a minute. Listen to it. Do you know that it is a border area?”

border area. Estelle’s ears perked up at the unfamiliar word.

It was a place that children entering Helios could not have known about.

A forest infested with monsters that have penetrated the dimensional wall.

As a student, it was one of the few opportunities to directly see a living demon, and the border area had emerged as a hot potato for children even before admission.

“I know. It’s a forest where witches live.”

“Wouldn’t you like to have a look?”

Estelle looked back with narrowed eyes.

let’s go? Are you talking sane?

“There, it’s off-limits.”

“It’s okay. There’s a kid there who can pierce barrier magic.”

Then Jason pointed to the back.

There were children who decided to go there, and there was a female student who shrank in the middle.

“Ande named Cynthia says she is good at shielding. Even if she’s not good at it, she’s said to be able to break through barriers in the border area.”

“Will the child go too?”

“Yes. I agreed.”

“·······.”

It doesn’t look like it from the look on my face.

I could see her holding the hem of her skirt tightly with her head down.

He couldn’t refuse even though he didn’t like it, so it seemed like he was a commoner or a family of little importance.

‘By the way, didn’t that child take notes earlier?’

Looking back, it clearly came to mind.

She was the only person who took full notes of Yujin Kang’s lecture from the beginning.

I wasn’t interested in the border area, but I was interested in that child’s notebook.

“great.”

“We train there… huh?”

“It’s good.”

“Uh… uh, yes! Well thought out!”

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Jason liked it, but Estelle wasn’t even interested in him.

notes only. All she was interested in was Cynthia’s notes.

I’ll have to ask for a loan later.

Of course, I have no intention of stealing it, but I intend to take the opportunity to help moderately and receive notes.

Because he wasn’t such an inconsiderate person.

‘And, I won’t be held accountable anyway.’

There is no professor in Helios who has gone far enough to reprimand Altair for his deviation.

It was wrong, of course, to enter the restricted area, but Altair’s name would hide her from censure.

For growth, how not to cover the original means and methods.

I’m sure my grandfather will understand.

Also i’m a genius

She readily agreed to their request to accompany them.