Saki Kawasaki returned home in a daze.
She pushed the door open, and the smell of cheap home cooking mixed with mildew rolled out at her, the scent of their daily life.
The living room light was still on, the TV playing some dull variety show, but the sofa was empty.
Her younger brother and sister had probably already gone to sleep.
Exhausted, she dropped her schoolbag in the entryway and walked into her cramped little room as if sleepwalking.
The desk was buried under textbooks, part-time work shift schedules, and several overdue utility notices.
She flopped facedown onto the bed, burying her face deep in the blanket.
But in her mind, that nightmarish scene from a few hours ago kept replaying.
That man, who had descended like a demon king into the world: Seiji Fujiwara.
Yukinoshita's hollow, despairing eyes, like a doll's.
And those broken, humiliated cries of "I'm sorry, Master."
All of it was branded into the depths of her soul like a red-hot iron, leaving her chilled to the bone.
She had been wrong. Absurdly wrong.
She had naively believed that with enough courage and a sense of justice, she could challenge evil like a hero in a manga.
But reality had slapped her in the face with as loud a sound as could be made.
Before Seiji's power, her sense of justice was as fragile as a candle flickering in the wind. Laughably so.
Her so-called "rescue" had only become a new tool for that demon to torment Yukinoshita.
"Bastard... bastard!"
Saki clenched her fists and pounded the bed, venting the rage in her heart through this powerless gesture.
Just then, the door to her room was pushed open softly.
A small head with cute pigtails peeked in, calling out timidly, "Sis?"
It was her younger sister, Keika.
"Keika? Why are you still awake?" Saki immediately wiped the savage expression off her face, sat up, and forced a gentle smile.
In front of her family, she was always the reliable, strong older sister.
"I... I couldn't sleep." Keika walked in clutching an old plush toy and asked worriedly, "Sis, did you... go out again today?"
"Nope. Sis is tough, it wasn't hard at all." Saki smiled and stroked her sister's head, pulling her thin little body into her arms, drawing on that one bit of warmth.
"Sis..." Keika nuzzled into her embrace, then said in a small, hopeful voice, "I heard from a classmate that the school is organizing a school trip to Kyoto next month. Can I... can I go?"
Saki froze.
Kyoto... school trip...
She knew it would cost at least ten thousand yen.
And for their household, where they didn't even know where next month's utility money was coming from, that was a mountain they couldn't climb.
Looking at her sister's hopeful eyes, Saki felt as though needles were piercing her heart.
She opened her mouth, but no words came out.
She could only hold her sister tighter, and in a trembling voice that was almost a vow, she said, "You can! Of course you can! Wherever Keika wants to go, sis will... sis will get you there! Fireworks too, I'll take you to see them!"
After soothing her sister, Saki sat alone in the pitch-black room, gripped by a despair she had never known.
Money... she needed money... she needed more money!
Just as the pressure was about to crush her, her phone screen suddenly lit up.
It was a text from an unknown number.
The content was simple, but it read like a death notice from hell, plunging her instantly into an icy abyss.
[Good evening, Kawasaki.]
[It seems you've taken quite an interest in my affairs.]
[So, tomorrow at noon, the Sobu High rooftop. Come alone.]
[I think we can have a nice chat about your adorable little brother and sister's... future.]
At the end of the message was a name she would never forget for the rest of her life.
Seiji Fujiwara.
...
The next day. Noon.
The Sobu High rooftop, with the wind howling.
Saki Kawasaki stood alone at the edge of the roof.
Her face wore a mixture of fury, fear, and resolve, like a soldier marching to her death.
The rusted iron door creaked open.
Seiji walked out at a leisurely pace, with the doll-like Yukino Yukinoshita following behind him.
"Right on time, Kawasaki." That cat-toying-with-a-mouse smile of amusement was still on his face.
"What the hell do you want?!" Saki glared at him, her voice trembling with rage. "If you've got something to say, take it up with me!"
"Take it up with you?" Seiji gave a soft laugh. He walked up to Saki and, with an utterly insulting gesture, gripped her chin to force her head up so she had to stare directly into those cold eyes. "You seem to have one thing wrong."
"You, and your family, are no different in my eyes."
"You're all... ants I can crush at a whim."
He let go, took a thick stack of photos from his pocket, and tossed them carelessly in front of her.
The photos scattered across the ground in the wind.
They were high-resolution covert shots of her brother and sister in various places, every one of them sickeningly clear.
"My people are protecting them, twenty-four hours a day," Seiji said in a voice without a trace of human feeling. "If I wanted, they could vanish from this world at any time, in some little traffic accident."
"Or, even simpler." He paused, savoring the way fear had drained the color from her face.
"I hear your brother's school is asking for cram-school fees? And your sister, she really wants to go to Kyoto?"
"Tell me, what if your father's barely-surviving little factory suddenly received a priority audit from the tax bureau, and then got hit with an indefinite shutdown over some minor fire-safety violations..."
His words crashed down on her like the most vicious of curses, shattering Saki's last line of psychological defense.
"I..."
Her knees gave way and she collapsed helplessly to the ground.
Tears mixed with boundless despair poured uncontrollably from her stubborn eyes.
The wind on the rooftop grew wilder, screaming like ghosts and wolves.
Saki knelt on the cold concrete, those once-defiant eyes now holding nothing but the hollow despair of someone utterly broken.
Her sense of justice had been ground to powder in front of the family she cherished.
In this cold, real world, ants from the bottom rung like her had no qualification to talk about "right and wrong." They didn't even have the qualification to possess "dignity."
The only thing they could do was offer up everything they had to the predator at the top, in exchange for the right to keep dragging out their pitiful existence.
"Good."
Seiji looked at her, completely surrendered, and a satisfied smile rose on his face.
He liked watching these proud, prickly little wildcats have their claws pulled and their fangs broken before absolute power, until in the end they could only crouch tamely at his feet, wagging their tails for mercy.
He didn't waste a single word more.
He stepped forward and roughly tore open Saki's school uniform, the symbol of her purity.
"No... not here..."
Saki let out a scream full of shame and terror.
On the school rooftop... in broad daylight...
This was more humiliating than just killing her!
But her resistance was pale and powerless.
Seiji ignored her pleas, because here was exactly where he wanted it. He wanted everyone, insiders and outsiders alike, to know clearly that anyone he marked was his.
He tore the white shirt off her shoulders. The buttons skittered across the concrete and rolled toward the rusted edge of the roof. Her plain white bra came next, snapped open with one twist of his fingers and dropped beside her schoolbag.
Saki's tits spilled out into the noon sun. Bigger than the uniform let on, pale, untouched, nipples already stiff in the cold wind.
"You don't get to be modest now."
He yanked her skirt down. Her panties next. Her stockings stayed where they were, bunched halfway down her thighs.
The lunch bell from below carried up to the rooftop. The voices of her classmates drifted up through the steel mesh. Saki could hear them. Could hear someone laughing about a soccer match. Could hear a girl calling a friend's name.
She bit down on her own forearm to keep from making a sound.
"On the ground."
She didn't move fast enough. He pushed her by the shoulder and put her on her back on the concrete. Her bare skin pressed against the rough surface. Her hair fanned out around her face, the same defiant ponytail, now coming loose.
A few feet away, Yukino stood motionless. Her doll-eyes did not blink. She had been told to watch. So she watched.
Seiji unzipped his pants. He didn't undress beyond that. He just lined himself up against Saki's pussy and pushed in.
A scream tore out of her throat. She bit it off the second it started. Her teeth went back into her own forearm. She made a high, strangled sound through her closed mouth instead.
"Quiet. The whole school is right under us. Wouldn't want them to know what their honor student gets up to during lunch break."
He started fucking her. Hands on her hips, holding her against the concrete. The cold under her bare back. The wind pulling her ponytail loose, strand by strand.
Slap. Slap. Slap.
The sound of his thighs hitting hers. The wet sound of his cock sliding in and out of her pussy. Her tits bouncing under his weight with each thrust.
"Whose are you, Kawasaki."
She didn't answer. Her teeth stayed in her own arm. A small, mortified sound came out of her nose.
He gripped her chin and forced it up.
"Whose."
"...Y-yours..."
"Louder."
"Yours, Fujiwara-sensei..."
Tears ran down the side of her face into her hair. The voices of her classmates kept drifting up through the mesh. Someone was talking about lunch boxes. Someone was laughing about a teacher's bad joke.
Her body, against everything she wanted, started to respond. Her thighs started to shake. Her hips started to lift, just a little, against his.
Saki Kawasaki, the strong older sister, the one who worked three part-time jobs, who took care of her brother and sister, was getting fucked on the school rooftop and her body was betraying her.
Yukino kept watching. Did not blink.
Seiji's pace got harder. The concrete scraped Saki's shoulders raw. Her hands clawed at his arms, then dropped, useless. Her thighs trembled around his hips.
"You're going to come, Kawasaki. With your whole school under us. With Yukinoshita watching. Right here on the concrete you walk on every day."
"...N-no..."
"Yes."
He drove deep and ground his hips against hers. He pressed his thumb to her clit. She broke.
Her pussy clenched hard around him. Her thighs locked. Her back lifted off the concrete. The cry started in her throat, but she clamped down on her own arm so hard she drew blood, and the sound that came out was a long, wet, suffocated whimper that her classmates below would never hear.
Seiji fucked her through it. Three more brutal thrusts. Then he buried himself deep and came inside her. Held there. Emptied into her.
When he pulled out, cum spilled out of her pussy onto the concrete, onto her bunched stockings, onto the back of her plain white skirt.
She did not move. Did not bite back another sound. Did not have one left.
Saki Kawasaki sprawled limp on the cold rooftop, her eyes utterly dead.
In Seiji's mind, the system prompt finally arrived as expected.
[Ding!]
[Congratulations, Host, on successfully conquering A-rank target Saki Kawasaki.]
[First-stage reward dispensing...]
[Congratulations, Host, on receiving reward: [Transformer Model Complete Architecture & Frontier Applications Database]!]
A vast torrent of knowledge, representing the most cutting-edge revolution in artificial intelligence, the "attention mechanism," surged into his mind in an instant.
From Encoder-Decoder architecture, to the disruptive Self-Attention mechanism, to the massive and intricate pre-trained language models born from it, BERT, GPT, and the rest, all powerful enough to alter the course of human civilization...
All of it, in this very moment, was branded deep into his soul like an instinct he had been born with.
"Transformer..."
Seiji slowly closed his eyes, savoring this strength, enough to make him a true "God of AI." The smile at the corner of his mouth grew more unfathomable.
With this, his "Eye of God" system, which had previously only been able to perform simple image recognition, would undergo a divine evolution from "eyes" to "brain."
It would no longer be a passive "camera."
It would have its own "brain."
A true God of artificial intelligence, capable of understanding, analyzing, predicting, even... manipulating every piece of information in this world!
And he was that god's sole master.
...
...
While Seiji was immersed in the satisfaction of this newly acquired power, a thousand miles away, at the financial heart of the world: Wall Street, in New York.
A siege against the Fujiwara conglomerate was being quietly set into motion.
Though the Saionji conglomerate's physical industries in Japan had been crushed.
The family, after over a century of accumulation, still held a massive secret force hidden in the overseas financial markets.
That force was controlled by the last and the shrewdest survivor of the Saionji Family: Ryuichi Saionji.
He was a financial leviathan who had soaked in Wall Street for decades. Cold, cunning, devoid of humanity, believing in nothing but cold numbers and absolute profit.
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