After school, Rio headed to the lab where he had a girl instructor, as he was told in his math lecture.

The location of the laboratory is a room in the basement of the library building.

Rio knocks on the lab door.

…………

But no reply.

Rio knocked again.

Now it sounds louder than earlier.

But once again, I haven't heard back.

(He's not here?

Now I tried knocking with an even louder sound.

"Excuse me. Doctor!

In addition, a slightly louder voice opened the door with momentum.

"Holy shit! Ugh! It's a good place now! Is that you, Rio? What's the matter with you?

Where the door dangerously struck directly at his forehead, Rio avoided the door with ultra-reflection.

What emerged was a beautiful girl such as a deep-window maid who seemed to gracefully drink tea at the window at first sight.

However, Rio flashes up for too much extravaganza that doesn't match his appearance.

"Yes, no. I've been trying to get my teacher to tell me the numbers as he told me today..."

"Ah, well. That was a bad day. It was my lack of consideration. I pointed to you in the sense of knowing how much you could do, but you've embarrassed me."

And I apologized with a look of sorry somewhere.

Rio decides that he doesn't seem to be a bad teacher for the way it is.

"Oh, no. Because it would have been necessary to grasp the student's academic achievement efficiently. I'm afraid I'm going to take the time of my teacher to beg for a lesson."

The female instructor rounded her eyes on Rio's response.

"Heh. Even though you're a civilian child, you don't seem a lot smarter at that age. You're seven, aren't you?

"Yes. Even so, the teacher is a lot younger, isn't he? I'm surprised you're too young to be an instructor."

"That's right. I'm only twelve? If it's true, I guess I'm still in critical elementary school, but I graduated from higher education in flying class."

The girl speaks as if she had been a little more attentive to Rio's words.

"I really want to specialize in magic research and focus on you. I have to do the lecturer's work in one job."

Rio felt a little smiled at how proud he was of sticking out his little chest wrapped in a robe.

"That's amazing."

"Well! Oh, speaking of which, you didn't introduce yourself because you're a midway student. I'm Celia. Celia-Claire. For once, you don't have to be afraid because you don't like being a nobleman in the Count's house, but you don't like being tough."

"Yes. I say Rio myself. Thank you very much."

"Yes, sir. Nice to meet you, Rio. Then don't just stand there and go into your room."

Celia leads Rio into the room.

(Kid, dirty......)

And pulled like a mess in too many rooms.

"Uh, it's a little messy, but I need you to sit in that chair over there"

(... a little?

I had much to disagree with, but I decided to put up with it for a long time.

When Rio sat down, Celia took out the parchment and spread it on her desk.

"Well, first of all, do you know what a number means?

"I understand."

"Hmm, well, here's eight books. You've finished reading six books. How many books you haven't read yet?

Celia put out a brief computational problem for Rio with the meaning to confirm.

"Two books."

Rio to answer that instantly.

"Oh, can you do the arithmetic? Plus?"

Celia asks as she said unexpectedly.

Because it's normal that civilians in this world can't even make simple calculations without counting the real thing one by one.

"Yes."

"So what's the point of this?

Celia wrote the same thing on parchment as her earlier calculations in a formula.

"I don't know?

The illegible Rio of numbers doesn't understand the formula.

"Uh, you mean you can't read the numbers, but you can calculate?

"It will."

"What, that tiny state of affairs... well, is it even impossible? Paper will be expensive for civilians..."

Celia looks at Rio with a frightened face.

"So you're saying I should just give you the numbers for now? Well, I'll write a number from one to nine here for now. Remember that."

With that said, Celia even wrote down the numbers.

The numbers written are not as difficult as they are.

Staring at those numbers, Rio memorized the numbers in just a few dozen seconds.

"I remember."

"Oh, already? Then write here from one to nine."

Celia turned the parchment upside down into Rio and gave it to her.

Rio writes slurs and numbers.

"Correct. And the words are beautiful..."

"Um, I'd also like you to give me a number representing zero and a symbol for quadruple calculation, if possible."

"... you understand the concept of zero? Besides, I know the numbers are ideological characters, and I mean I can calculate the four rules... right?... Here's the deal."

Write down on parchment what Celia told Rio, and Rio remembers it.

"I see. Thank you. More than that, it's time for you to spare Dr. Celia's time because it's distressing. Can I have this paper for once?

Celia seems busy, and she's done her errands, so Rio just tries to walk out of the room.

"Wait a minute! I'll give you that paper, but because of it, I'll give you an academic exam. I'm going to make a problem right now, so wait a minute!

Rio wanders into Celia as she embarks on herself.

When I take out the new parchment, Celia creates a slurred problem.

That number, fifty questions in fact, contains all the problems of four-law arithmetic.

Let's get started.

A zazzling look at the problems that were given to me was scattered with extremely simple problems if you look from Rio.

I'll finish solving it in just five minutes, including a review.

Celia looked stunned at the look.

"Done."

Celia instantly matches her answers when she receives parchment.

You were doing an answer match watching Rio solve it, or you were to immediately notify me of the results.

"All questions are correct..."

And with a slight bitter laugh, Celia said.

"Well, if that's the extent of the problem. Wouldn't everyone in your class be able to do that?

I get laughs at Rio's words like Celia can't stand it.

"Heh, heh... heh... Well, some of them will be able to. But, you know, that's about a few people in the school year. Besides, no one can solve it as quickly as you do."

Here Rio realized he had done it himself.

I thought there were a lot of students with a lot of academic qualities in the school where all the top nobles were attending.

In fact, the kids were acting like they were boasting about their academic abilities.

If so, Rio was mistaken that this degree was possible and natural.

"Um, it must be really annoying, and it's time..."

Tastes bad, I thought Rio would try to take a seat.

"Fine. Something I have time for. Don't worry about it. Let me tell you something."

Celia held down disappointingly on both of Rio's shoulders as she tried to get up.

Fluffy, and the smell of flower perfume tickled Rio's nose.

"Well, you were an orphan until recently, weren't you?

The information seems to be passed on to an instructor like Celia.

"Yes."

Rio honestly affirmed that there was nothing to take away and hide, and it was not something he could hide.

"That's a good word, it's a good place to master the basics of arithmetic, no matter what you think, it's not what orphans wear, is it? What are you talking about?

And I said it in a tone that accelerates in an excited way.

Apart from the adorable grin of the year, it was compelling not to say yes or no.

"Eh, I desperately remembered because I thought I would struggle with one word that I was inside the Royal College. I refer to that because my mother was a polite speaker. My mother taught me that arithmetic can be useful in the future at a young age."

It is just a lie.

But it was only true about her mother's use of words.

In Rio's memory, Rio's mother was a beautifully worded woman who did not seem to be an adventurer.

I miss my angry memories if it's something I'm going to say dirty.

Even so, all I learned from my mother's way of speaking was how to describe polite words.

I learn easily from Aria how to express some words of respect and humility before I look at them.

However, it is a complete lie as to how arithmetic is mastered.

I can't believe I learned that in my previous life.

Rio decided to lie on the poker face.

"Well, you know, your mother's dead. I wonder if he was a former nobleman or something. You were a great person in any case. I heard something bad. Sorry."

Celia apologized as if she was sorry for changing the vibe when she heard that Rio's mother was dead.

"No, for once, my heart is organized"

"That's the place...... Ha, fine. You've grown up a lot."

Apparently, I'm not convinced by what Rio said.

But he seemed to think it was a bad idea to dig into Rio's past and ask, and he didn't go in and ask.

You seem like a very nice person.

(Do some aristocrats have this...)

Because the electorate of the aristocracy we have seen so far has been too strong, Rio has been dealing with the aristocracy with much bias.

Nevertheless, I guess being like her is an exception to the extreme.

"Dr. Celia has a lot of grown-up vibes."

"Oh, yeah? Oh well. Does Rio know?"

Apparently Celia got better at Rio's words.

(I wonder if he's surprisingly easy to handle...)

And, seeing the emotional Celia, Rio thought.

"All right, well, put that aside, when it comes to arithmetic, Rio jumped to the top of the school year at once. I didn't even know the numbers until just now."

But as soon as she regained her serious look, Celia put the story back together.

"Don't you have to go to arithmetic class anymore? Because similar content lasts up to three years in elementary school."

The attendance of Royal College lectures is optional because of the large number of students resting on aristocratic errands.

Though it is common to attend seriously unless it is nevertheless useful.

"Ha, that would just not be a good idea. You'll buy disgust from other students."

If the inferior students who came late didn't attend the class, they wouldn't be able to see it very well.

"Uh, well. That's a pain in the ass. Relationships. Come on. Especially with nobles."

You remembered the annoyance of the aristocratic society, and Celia looked disgusted by the dawn and clarity.

"Isn't your teacher a nobleman?"

"Well, it is."

You've got a lot of vegetables, and Celia's tricks and tone are shattering.

A slightly sloppy breakdown of posture and a slender, stretched white limb had created a seductive appeal unsuitable for his age.

Honestly, the gap with appearance is too intense because if you keep your mouth shut, you only look like a deep-window courtier.

My skirt was about to roll up and it was eye poison for Rio.

"By the way, the teacher said he specializes in magic, but what exactly is he doing?

Sighing internally at Celia's defenselessness, Rio threw Celia a question to change the subject.

"Oh, are you interested in magic?

"Yes."

When Rio replied so, Celia took a colorless, transparent crystal engraved with intricate geometric literature from a nearby shelf.

From the moment Celia held it in her hand, its crystals began to shed light in white.

"Uh, what's this?

Rio asks when he sees the crystal placed on his desk.

The moment Celia let go of her hand, the crystal stopped emitting light.

"This is a magical prop named Demonic Light Crystal that will judge your magical aptitude. The geometry of the surface is engraved with the powder of the demonic stone. It's very expensive because it's special."

"Is it a demon stone?

"Demon Stone is the substance that demons possess in their bodies. The demon is said to be a paranormal life form that uses demonic stones as its nucleus. Well, when you die, you leave the demon stone and you literally disappear without a trace, so you don't know anything..., according to one theory, the labyrinth is the birthplace of the demon."

"Demons, Demon Stones, Labyrinths..."

And, an interesting word that I don't know very well, but I only know the name, Rio muttered.

"So, I'm going back because I missed the point, but the Demonic Light Crystal reacts to the magic that lingers on the surface of the body, which means that if you touch this and glow, you have as much magic as you can use if you have a lower degree of magic. They call it a measuring stone."

Celia explains its name and effect.

Humans have magic for everyone, but the amount varies individually.

Some of them have so little magic that they can't use it at all.

This seems to be a demonic tool for judging prerequisites for using such magic.

"I can see what magic you're good at with that and the color when it glows. They also type me as a wizard."

Rio looks at the crystal with interest when he hears Celia's words.

Regardless of how you judge your suitability as a wizard, why do you have to imitate such a far-fetched way to find out if you have magic?

Rio wondered.

"Heh, are you blind to magic?

Yes, Rio can see with his eyes the light he thinks is magic.

So I wondered if I might not have to use measuring stones or something on purpose.

Asking the question somewhat, Rio stared at Celia, concentrating his consciousness in his eyes.

Many Royal College students also had quite a lot of magic, among which Celia wraps around a pale light that falls into a fairly large number of categories.

By the way, after a little training, Rio was now able to adjust on and off as he saw the pale light.

The trick is to cover your eyes with magic.

"Pure magic can't be seen with your eyes even if it's vaguely felt. I can see the magic light when magic is activated."

(... weird. So what's the pale light I'm looking at? Can you feel it? This light is also felt...... right)

"Look, put it down for a try"

When Celia prompted me to touch the approximate crystal, the colorless clear crystal emitted white light.

(Same as Dr. Celia. Glowed white. Does this suck off magic? No, visualizing with magic? The moment I put my hand down, the white light covered the crystal. And the light I see is magic?

I'm going to calmly analyze it in my head.

Next to it, Celia saw the light of the crystal, with a slightly surprising color in her eyes.

"Oh, you're glowing! And white means all-purpose! It's the color that supposedly has the right to use any kind of magic as long as magic controls are in place! You're with me. Few people glow white."

Celia is laughing at Nico next to Rio.

There are other Taoist and Fighter types of wizards.

If you're a Taoist, you're supposed to glow red, if you're a fighter, you're supposed to glow blue.

"Uh, thank you. Is it universal? I don't really know what it feels like."

"Well, you can't even feel the magic yet. We often do magic sensing, magic manipulation, surgical contracts and magic."

"I see. How will I be able to sense magic?

"I guess the easiest thing is to have someone else who can handle magic send magic into your body to sense its discomfort. Well, some people are hard to notice. You'll learn how to manipulate magic later."

"I see. Well, I'm afraid it's full of questions, but what is a surgical contract?

Ask for a description of the keyword to dispel any doubts you may have.

"Hmm, to say a general definition, I wonder if a ritual is a surgical contract that stains the body with phrases to interfere with the world. It's hard, isn't it? Well, it's the quickest way to try it. I think it's boring because at first we just do magic sensing, but if the magic lecture goes on, we'll have a surgical contract, so keep it for the fun of the moment."

"Yes."