Dark Demon.
Twelve years old.
Gender: Male.
First-year student at St. Marian's Academy.
Currently sitting in an academy professor's office—writing teaching materials!
...
"Dark, Dark, do you want black tea or milk?"
"Eh, apple juice? Is Fairy Juice okay?"
"Whatever? Then do you want sugar? Three parts, seven parts, or twelve parts?"
"Dear Dark, why did you stop? Are your shoulders sore? Do you want Little Lily to massage them for you?"
"The scarf is getting in the way, take it off. Wearing such thick clothes hinders dexterity, take them off too!"
" The temperature is low? Don't be afraid, Lily is here! Transform, transform, transform! Transform for me!"
"Kiss kiss Little Dark, are you hungry? Have a piece of cake, ah—"
...
Dark, feeling physically and mentally comfortable, fed and watered, couldn't help but scold, "Is that enough yet?"
If not for the sake of one credit per word...
"Enough, enough! This concubine will roll away smoothly right now~?"
Sexy Little Lily, begging humbly online.
...
The dragonfly-winged little fairy flew lightly onto the sofa, lay down comfortably, rested her head on the armrest, and looked eagerly at the blonde boy who was seriously conceiving ideas behind the desk. Her eyes revealed a thirst.
The overly long lives of little fairies always made their perception of time dull, making it difficult for them to keep up with the pace of the era.
It seemed that in the blink of an eye or the waking from a dream, the outside era had already turned a page.
Just like her current encounter.
Unknowingly, the teaching methods of the past had become less applicable.
The new generation of children growing up in a comfortable environment could no longer settle down to study bitterly; they needed simpler, more efficient calculation methods.
Fortunately.
Just when Little Lily was about to be abandoned by the times, a hand reached out from the frontier and caught her as she fell.
Lily didn't know where Dark found those calculation methods, but little fairies were not creatures who cared about such things.
They were better at taking and using...
Of course, after taking, they would always offer some remuneration.
So although little fairies were mischievous and willful, they hadn't fallen to the point where everyone wanted to beat them.
...
Dark Demon, behind the desk, was bearing a weight that shouldn't be carried by this age group.
Writing teaching materials was not a worry-free task.
Even though the content he was working on now wasn't difficult, in order to make it easier for those who received the materials to understand, he needed to use relatively popular language to make the most precise definitions.
The use of vocabulary was very important.
Every knowledge point also needed to be accompanied by example questions for explanation.
So he wrote very slowly.
It had to be worthy of the price of a thousand gold per word.
Speaking of which.
Because of the consumption of [Ultimate Move Card]s, his seemingly huge amount of credits had actually shrunk by more than half. Last weekend, he was even considering whether to go to the Rookie Tournament to make some easy money.
Unexpectedly, not long after that, credits delivered themselves to his door.
He had confidence that the teaching materials he was about to write would be excellent value for money.
However, the worrying part was how to name the knowledge points in the textbook—he didn't remember which mathematicians had summarized those points.
Dark Demon respected intellectual property rights very much and couldn't bear the title of "knowledge thief."
After thinking carefully for a moment, he finally used "Anonymous" to temporarily replace the mathematicians whose names he didn't remember.
Thus began the legendary era of the great mathematician Anonymous!
...
Time is always ruthless and indifferent.
While Dark was immersed in the writing of the mathematics textbook.
While Lily was immersed in watching Dark write the textbook.
Time moved unswervingly to 1:50 PM.
It wasn't until Dark looked up inadvertently that he suddenly noticed it was already this time.
While rejoicing in his heart, he quickly packed up his drafts and ran out of the office in a hurry.
Class was about to start!
The great founder of the Math God Religion.
The great father of "Anonymous."
Ran through the empty castle corridors so as not to be late.
Professor Lily, still lying on the sofa, blinked. It was a good while before she suddenly flapped her wings and flew up!
She turned her head abruptly and reached out, as if to grasp the gold sand slipping through her fingertips.
"Don't be afraid, Lily."
"It won't slip away so easily this time."
Lily blinked, her long eyelashes trembling incessantly.
The sound of wind chimes was swept into the office.
...
Dark Demon rushed into the classroom stepping on the tail of the bell.
But Professor Thompson on the podium just glanced at him and paid no further attention.
Dark breathed a slight sigh of relief.
Lamenting that he, too, could one day obtain the "good student privilege."
...
"He's late, isn't he?" Virt Gold couldn't help muttering.
"Yeah, he's late," Robert Broheim responded faintly.
Subsequently, no one paid attention to this matter anymore.
...
If one were to delve deeply into the theoretical knowledge of Potions, it was actually very complex.
Just the medicinal properties of the ingredients alone were enough to stump a large group of people.
But the first year was basically contact-oriented, with the goal of enabling students to refine a potion after receiving a formula.
Professor Thompson's lecture content was always very practical.
But when assigning homework, he was also fast, ruthless, and accurate.
The students had mixed feelings of joy and sorrow.
...
"Duck~duck~"
Potions class hadn't ended yet.
Dark suddenly heard a call from the netherworld by his ear.
He turned his head sharply and saw a face pressed against the glass!
"Enough of you!"
Three black lines immediately pulled down over Dark's forehead.
Thinking to himself: 'It seems I can't escape.'
Although he never thought of running.
...
For two consecutive days.
Except for homework time, Dark was basically working hard on writing teaching materials.
Aside from that, there weren't many worries.
He actually had quite an interest in writing math textbooks himself, so it couldn't be called a bother.
Moreover, when re-deducing some knowledge points, he found that his understanding of the relevant knowledge had actually deepened a lot.
Mathematics is inherently like this.
Every seemingly simple formula hides mysteries behind it.
Every in-depth interpretation can yield new gains.
He felt pleased about this.
It was just that Little Lily was a bit too clingy in order to please him.
That, on the contrary, made him feel troubled.
But it had to be said, Fairy Juice was truly delicious!
...
The last day of the month.
After Dark took Eevee-chan to Astronomy class, he returned in high spirits, entered the room to snuggle and hug the [Catnip]s, then washed away the leaden dust, crawled into the bedding, and opened the system panel with a comfortable mood.
It was time for the end-of-month summary again.
He conveniently hugged the Little Eevee that had taken the opportunity to drill in, and looked at the panel.
Compared with the end of last month.
▼
[Pride: 105→104]
[Envy: 39→38]
[Wrath: 88→85]
[Sloth: 69→64]
[Greed: 103→100]
[Gluttony: 69→69]
[Lust: 106→109]
▲
At first glance, the situation didn't look optimistic, and the overall values didn't seem to have dropped much.
But in reality, everything was under control.
In January.
Dark extracted a total of 9 points of [Pride] and 6 points of [Greed], and additionally used [Flower Cards] to reduce 3 points of [Lust].
The final result was that [Pride], under the premise of having 9 points extracted, skyrocketed by another 8 points, rebounding to 104 points.
And [Greed], under the premise of having 6 points extracted, increased by another 3 points.
What was relatively dangerous was [Lust].
The academy was full of too many temptations.
With the opening up of interpersonal relationships, Dark passively came into contact with social circles.
For a moment, [Lust] rose uncontrollably.
But with [Flower Cards] as a safety net, he actually didn't panic.
On the contrary.
[Envy], [Wrath], and [Sloth] were all showing a downward trend.
This showed that he had a very pleasant and diligent January.
And under appropriate restraint, [Gluttony] neither increased nor decreased—very nice!
"Overall, it's okay."
Dark thought seriously while enjoying the sensation of his fingers being surrounded by soft flesh.
The rise of [Pride] was inevitable, and [Lust] was the result of slight indulgence.
In fact, with the deepening of research and the clarification of cognition regarding [Major Sin], he would no longer cause [Lust] to increase just because of the extent of "pinching Diana's flesh," unless he consciously indulged.
He had a rough plan for his research.
"For February, [Greed] needs to be extracted 3 times, 1.5 points each time, for a total of 4.5 points. Plus the 3 points stored in the Insect Tree, that's 7.5 points. Just enough to cultivate the [Fruit of Greed], and there will be 0.5 points left over."
"The remaining 7 days can be used for the extraction of [Pride] and [Lust]."
"As for the respective quantities, that is to be determined."
"I can extract three points of [Lust] first to bring the value down..."
"Then consider cultivating the [Fruit of Lust], or the [Fruit of Pride]."
"The core materials I have in hand are [Dragon's Reverse Scale], [Wind Spirit], and [Ancient Gold Coin]."
"The technologies I haven't mastered yet are [Zoo] and the [Tri-Armed Transmutation Circle]."
"The original plan was to start contacting wood carving from February, but now it seems that the writing of teaching materials must take precedence."
"The writing of teaching materials is indeed a problem too."
"Although the remuneration of one credit per word is very fragrant, the cost of time is also very expensive."
"If I put all my time into writing teaching materials, even if I earn more credits, it would be putting the cart before the horse."
"A math textbook sufficient for one semester, excluding the exercise parts and content decoration, should be about fifty thousand words."
"Fifty thousand credits, that's just a handful."
"Using a month of spare time to earn fifty thousand credits is still considered worthwhile."
...
Early February.
Winter left and spring came.
But inside the castle, there was no sign of the cold winter retreating.
Dark put down the newspaper, took a sip of hot milk, sniffed the rich milky fragrance, and let his mood gradually become comfortable.
Humans are creatures controlled by emotions.
But emotions are substances that can be controlled by humans.
Starting this month, the first-year Arithmetic Class would begin using the teaching materials he wrote.
Although in Professor Lily's view, the content was not only excessively simple but also seemed a bit superfluous.
But that was indeed content that a beginner needed to master step by step.
It was just that the teaching materials were still in the experimental stage, and only one chapter had been written, so they couldn't be printed into a book yet.
Only when the entire book "Mathematics 1" was compiled would it be possible to distribute it to everyone's hands.
Honestly, Arithmetic Class without a textbook was really too difficult!
The feeling of reading a notebook versus reading a textbook was truly different.
Dark's knowledge level was enough to cope with the content requirements of the first year, and with Professor Lily helping to flesh out the framework, he could complete the writing of a textbook according to plan.
The subsequent second and third years might also be doable.
But if it went any higher, he couldn't say for sure himself.
And he always felt that if he continued, the "Mathematics" he wrote would fast-forward from the initial impression of "simplified" arithmetic to "deepened"...
He only hoped that when that time came, the students wouldn't blame him.
He was just a humble writer who sold his soul for credits.
...
Thursday's Arithmetic Class.
Professor Lily, floating into the classroom holding a copy of Dark's original manuscript, was full of confidence.
Today, she prepared to take drastic measures and sweep away the gloom!
Let the students see that Lily Laplace's Arithmetic Class could also be understood!
The students also seemed to sense Professor Lily's brand-new look and couldn't help but brace themselves, as if facing a battlefield.
Dark, in the corner of the last row of the classroom, picked up his pen, ready to adjust the textbook content based on the real class situation.
Since he started writing teaching materials, he certainly couldn't be satisfied with private use of the materials.
The current goal was to dye St. Marian's new students with the color of "Anonymous" forever!
...
Noon.
Dark and Professor Lily discussed the class content in the office.
At his suggestion, Professor Lily also began to write a corresponding exercise book.
The first chapter of it had already been distributed during the morning Arithmetic Class.
Moreover, Dark also introduced the "in-class assignment" mode, allowing students to do homework in class and correcting and explaining it on the spot, rather than just leaving homework for after class.
In addition, Dark had a proposal regarding homework grading—students could exchange homework and grade each other!
St. Marian's students placed much higher importance on "honor" than average people; simply put, they cared more about saving face.
This way, not only could students pay more attention to the completion of homework, but they could also further deepen their understanding of the content by discovering others' mistakes.
Of course, it could also reduce the professor's burden.
Dark wouldn't always be called over to help grade homework anymore =.=.
...
In short, the optimization of the Arithmetic Class was proceeding methodically.
Unfortunately, on the other side, Professor Silf and Professor Kazel's investigation into the "invisible person" was not ideal.
Even the various sensory traps at the secret passage entrance yielded no harvest.
The "invisible person" seemed to have truly become invisible and never appeared again.
Although they had tried their best to keep it secret to avoid "startling the snake," it seemed they had still startled the person.
They had to start thinking about new strategies.
...
On the night of the third day of February.
Dark performed the third extraction of the month, finally increasing the reserve of [Greed] to 7.5 points.
He began to cultivate the [Fruit of Greed]!
...
...
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