42 – Lecture on basic crack theory

Am 08:57

Nam Seo-hee lowered the sleeves she had rolled up and glanced to the side.

Snow-white hair and skin, wearing a black school uniform that accentuated them even more, Baek Ha-na looked down at the church below with a dry expression.

The sharp eyes that contrast with the attractive blue eyes of the same woman.

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Regardless of gender, Baek Ha-na’s outward appearance was so beautiful that even if judged objectively, all eyes were taken away from each other. A beauty with a cold atmosphere that is hard to approach easily.

Nam Seo-hee carefully turned her gaze to the other side.

The number of people who actually attended the lecture in the classroom that can accommodate 100 people is 80. Even if you don’t make an effort, there is enough space left to provide enough personal space.

However, even taking that into account, the line where Baek Ha-na and herself were sitting was too much even if there were still seats left. No, apart from the remaining level, no one sat down except for himself and Baek Ha-na.

Not just the lines, but the front and back.

It was good that the people who could bother to cling to were separated, but Nam Seo-hee was not comfortable because of the series of processes.

Saturday. Because of the skirmish, he and Baek Hana awkwardly parted ways.

sunday. Baek Ha-na was busy with the course registration issue, so we couldn’t have a proper conversation.

monday. As if the awkward Saturday was a lie, I ate breakfast with a smile with Baek Ha-na, listened to the same lecture, and sat side by side until lunch, solving problems and chatting. It was very good. It was good. That is, until the actual martial arts lectures started.

The last lecture on Monday, the actual martial arts lecture, consisted of 3 hours.

For the next hour, I moved to the training ground and tried to stick with Professor Kang Han-na one by one. Of course, it was sparring using only the pure body without using abilities, and Kang Han Na only defended herself in place.

Based on the recorded video, it was a necessary time to know what each student needs.

and the last hour.

Self-contained sparring, which was conducted with the belief that understanding the opponent’s capabilities is the most important thing.

However, Kang Han-na, a professor who puts the autonomy attached in front of her to shame, added that she must fight at least once, and a problem arose here.

Because it is a required subject, it is divided into two hours in the morning and two hours in the afternoon. Of course, Baek Ha-na and Kang Seok-ho were in the middle of the last time they listened.

As if waiting, Baek Ha-na applied for sparring with Kang Seok-ho, and Kang Seok-ho, who could not avoid it, was replayed by Baek Ha-na in front of everyone watching the scene of ruthless violence that took place two days ago.

With cold eyes, Baek Ha-na hit Kang Seok-ho’s face again and again without hesitation.

The students who watched it did not even make eye contact with Hana Baek until the moment the lecture was over.

Fortunately, it was lecture time, so the ruthless scene did not remain as a video, but because there were so many people who watched it, I couldn’t stop it from spreading from mouth to mouth, and it was also the reason why the surroundings were empty.

However, being avoided by other classmates was no problem for Nam Seo-hee. The problem for her was that Baek Ha-na was not in a good mood since yesterday’s incident until now, which was the biggest problem for Nam Seo-hee.

-Dreuk.

Nam Seo-hee’s gaze moved at the sound of the door being pushed.

Baek Woo-jin walked through the half-open classroom door, clad in dark black, the opposite of Baek Ha-na, from head to toe, everywhere except for his skin and glasses.

Nam Seo-hee checked the time by slightly rolling her wrist.

Am 09:00

It was exactly the time the lecture began.

widely.

The classroom door that had been left open closed by itself.

At the same time, doubts appeared on the faces of the students except Baek Ha-na and Nam Seo-hee. It was because Claire, who had always followed Baek Woo-jin into the classroom, was nowhere to be seen.

Like Nam Seo-hee and Baek Ha-na, students who took this lecture solely to see Baek Woo-jin disappeared with Claire’s appearance in the first experience lecture.

After all, there is no need to listen to things that everyone would know if they went to a specialized school. He emphasized several times that he would even give a lot of assignments.

Click.

While the students were momentarily taken aback by Claire’s absence, the lock on the briefcase on the podium was unlocked and their tightly clenched mouths opened wide. Then, through the gaping mouth, wads of paper the thickness of an index finger came out.

They float in the air, then fly silently and land in front of the students who are seated.

Click. The briefcase fell silent, and Baek Woo-jin said to himself and to the students who were looking at the stack of papers in front of them.

“This week’s assignment.”

It took a while to melt into the profound voice that melted the ears, and the students quickly woke up and opened their eyes at Baek Woo-jin’s behavior of distributing assignments before the lecture even started.

“Submit it by this time next time.”

However, I felt a bit relieved by the fact that the deadline was given around 6 days. The thickness was a little unusual, but even so, it would be a task that required basic knowledge about cracks.

Above all, Baek Woo-jin himself emphasized several times that he would only teach basic things in the hands-on lecture.

Nam Seo-hee also did not differ greatly from the other students. So, in a light mood, I try to narrow the distance with Baek Ha-na by suggesting that she do the assignment together.

‘… … ?’

Baek Ha-na tilted her head and was looking at Baek Woo-jin carefully.

“what’s the matter?”

“… … Nope.”

It didn’t seem like it was wrong, but he said it wasn’t Baek Ha-na, so Nam Seo-hee just nodded and slightly pulled her butt toward Baek Ha-na.

“It is one.”

“Shh.”

“Uh, yes.”

Nam Seo-hee put her index finger to her lips and immediately shut her mouth at Baek Ha-na’s action to be quiet.

Baek Ha-na didn’t even look at Nam Seo-hee, she picked up a pen and prepared to write on a notebook. Nam Seo-hee, who was watching it from the side, blinked her eyes and turned her gaze toward the podium.

Except for alchemists or magic lectures that required memorizing and understanding complex rites, no professor forced students to take notes.

As the world developed, materials necessary for lectures were posted on the lecture bulletin board in advance, and students were able to freely download and view the materials as needed.

However, Baek Woo-jin did not provide such convenience to students even though it was not required but optional, and told them to transcribe themselves if necessary.

However, students who had listened to the experience lecture at least once did not feel the need to transcribe the lecture.

However, although she brought a writing utensil to show Claire the image of an enthusiastic student, because she wanted to look good, she was absent, so students except for a small number of students were staring blankly at Baek Woo-jin’s back.

“Let the lecture begin.”

When Baek Woo-jin turned around, a black board appeared behind him.

Then a white piece of chalk floated into the air, and it began to leave marks on the blackboard with great speed.

square square.

Leaving the moving chalk behind, Baek Woo-jin stood looking at the students.

“The cause of the crack formation has still not been identified, and the signs that appear before formation are known to you, so I will not explain.”

Nam Seo-hee looked at the large glasses on his face while appreciating Baek Woo-jin’s profound voice. Then, imagine Baek Woo-jin’s eyes hidden behind those glasses.

In addition to her, many students lowered their heads and tried to spend time making up for lack of sleep or thinking about other lectures.

Even after seeing them, Baek Woo-jin did not mention them and continued the lecture.

“There are characteristics of cracks in each of the low, middle, and high stages. This will be explained starting next week, and today I will explain about the crystal, which is the core of all the rifts.”

Taktak.

The chalk, which had been moving quickly, returned first and tapped the blackboard lightly.

“As a core that maintains cracks and creates monsters, the cracks disappear the moment the crystal is destroyed. At this time, don’t worry if you don’t escape in time. Excluding monsters, living creatures are sent somewhere on Earth as soon as the rift collapses.”

The students, who tried to pay attention to the sound of tapping on the blackboard for a moment, turned their eyes again after confirming that it was what they had learned at the specialized school.

Taktak.

Again, the chalk struck the blackboard.

However, unlike the first time, the students did not pay attention to the blackboard.

“As it is the core of the rift, the crystal is hidden in the deepest part of the rift or in an unexpected place. Unless it is a themed crack, the crystal must be destroyed or reach the nucleus within a week for low-level cracks, one month for medium-level cracks, and at least three months for high-level cracks.”

Nam Seo-hee, who was enjoying Baek Woo-jin’s face as a classic and enjoying his voice, blinked.

It was the first time I had heard that the crystal had to be destroyed within a few days.

“The reason is simple. It’s because if that period is exceeded, the crystal will finish learning and start a new response to repel you intruders.”

‘… … learning?’

Nam Seo-hee’s gaze turned to the blackboard.

Her eyes widen.

“Use the rift as a place for other purposes. These are mainly things that guys who work in the shadows do. But the question is, how did they keep the crystal and prevent the monster from being summoned, but the answer is simple.”

widely-!!

“A cracked nucleus. It was because Crystal decided that she no longer needed monsters. The humans who killed all the monsters to protect them reached him, but they did not destroy them. So, I just decided that there is no need to create monsters.”

Baek Woo-jin’s explanation continues without a break.

However, Nam Seo-hee couldn’t hear Baek Woo-jin’s words right now.

‘New object… ? What else is the labyrinth… … Guardian?’

White marks left by chalk on the blackboard.

It was, to put it mildly, something I had never heard of.

“Well, if you can’t break the nucleus and reach it within the time frame, this is also simple. Based on the information of monsters that died at the hands of humans, resistance is given to existing monsters or new entities are created.”

Baek Woo-jin, who continued his explanation, turned his head to the left.

“Questions are asked last.”

Apparently, someone raised their hand.

‘No, that’s not the point… … .’

Nam Seo-hee hurriedly unfolded the notebook she had placed on it and grabbed the pen.

Not only her, but most of the students who were not keeping their eyes closed felt something strange and opened their notebooks and gripped pens like her.

“It would be nice if it ended there, but Crystal never stops learning. So, the most dangerous case is when one attacking party pretends to be prudent and proceeds with an excessively slow speed based on ample supplies.”

Baek Woo-jin saw that the students were busy taking notes, but continued the explanation no different from when they were doing nonsense.

“Crystal calculates the speed of the raiding party and transforms the way forward like a maze. Then, the speed of the assault party will decrease even more, and the crystal, which has obtained more abundant information, creates a customized object to crush the human group that threatens it based on the acquired information.”

Baek Woo-jin, who continues to lecture non-stop as if he is not thirsty with the busy students.

widely.

The chalk that was hitting the blackboard settles down to its original place.

“Don’t let me ask you questions.”

As soon as Baek Woo-jin finished speaking, a male student who had been playing with a pen raised his hand.

“Younghoon Kim. to speak.”

“uh… … .”

A male student with a raised hand. Kim Yeonghun was taken aback for a moment because he did not expect that he would know his name. However, he quickly covered his face and asked.

“I want to make it clear in advance that I am not trying to disparage the professor. It’s not different… It’s the first time I’ve heard of crystal learning. Is this information recently published in a thesis?”

All students except Baek Ha-na waited for Baek Woo-jin’s answer.

“I also looked for such papers, but there was none.”

“Yes? uh, that… … rum?”

“He said there was no such paper. next.”

Kim Young-hoon blinked blankly, and the other students’ reactions were not very different.

At that time, Nam Seo-hee carefully raised her hand.

“Nam Seo-hee.”

Nam Seo-hee trembled.

“Let me speak.”

“yes… .”

After taking a deep breath, she opened her mouth.

“I would like to ask if this is something you are preparing for a separate thesis.”

If it wasn’t so, Baek Woo-jin could be in great trouble, so Nam Seo-hee had no choice but to ask.

“There is no separate thesis being prepared. But for those of you who doubt whether my words are true or not, I have prepared a place for proof.”

“That-“

Lalalala~♪

A beautiful song announcing the hour came from the speakers on the ceiling.

-Dreuk.

The door to the closed classroom opened, and Baek Woo-jin turned around.

“The next lecture is a joint practice, so gather in front of the arena.”

Baek Woo-jin took the briefcase he had been carrying and left the classroom without a sound.

– Tak, tadak.

It was while Nam Seo-hee was staring blankly at the open door where Baek Woo-jin had left.

“no!!”

“… … ?”

Nam Seo-hee, who came to her senses at someone’s scream, turned her head in the direction from which she heard the scream.

“Ah!!”

“I haven’t even used half of it yet!!”

“Who, who wrote everything?!”

Seeing that response, each one of them looking at the blackboard and screaming, she quickly turned her head to the blackboard.

“ah… … .”

A short sigh escaped Nam Seo-hee’s mouth.

The whiteboard, which should have been full of traces of chalk, had been erased so cleanly.

‘ah… … !!’

Nam Seo-hee, who had a dejected expression, opened her eyes wide and quickly turned her head to the side and said,

“one… … Hey?”

The seat next to it is neatly organized like an erased blackboard.

Nam Seo-hee could not find Baek Ha-na anywhere in the classroom.