Transmigrated into the Ninja World… and Given a Game Development System?
[Ding — System synchronization complete. Activation commencing.]
Konoha, Year 63.
Uchiha Itachi jolted awake.
The room was dark. Silent.
And painfully familiar.
He sat up slowly, staring at his hands.
Slender fingers. Pale skin. The body of a thirteen-year-old prodigy.
Uchiha Itachi.
Not a namesake. Not a descendant.
The Uchiha Itachi.
A genius who graduated the Academy at seven. Chūnin at ten. Captain of the Anbu at thirteen. The clan's greatest hope—and its future executioner.
He closed his eyes.
He remembered everything.
Another life. Another world.
And now, impossibly, he had transmigrated into one of the most tragic figures in the ninja world.
"…So this is how it is."
Then the mechanical voice continued.
[Ding — Super Game Producer System successfully activated.]
Itachi's expression stiffened.
Of all the systems he had imagined—
Battle system. Bloodline enhancement. Sage mode accelerator. Mangekyō evolution simulator.
This was what he received?
[System objective: Train host to become the world's strongest game producer. Beginner task issued. Please complete your first game as soon as possible.]
Silence.
Itachi stared at the empty air.
"…Repeat."
[World detected: Earth. Year 2024.]
He slowly turned his head and looked out the window.
The Uchiha district.
Paper lanterns.
Traditional wooden structures.
The faint presence of patrolling Konoha shinobi.
This was unmistakably Konohagakure.
The ninja world.
Not Earth.
"…This is Konoha."
[Scanning… Confirmed: Earth. Year 2024.]
"…You're defective."
The system did not respond.
It only repeated the beginner task prompt.
For several minutes, Itachi said nothing.
He had already lived through political manipulation, clan surveillance, and the silent pressure of Danzo and the village elders. Compared to that, an idiotic system was almost refreshing.
Still.
Game development?
In a world without computers?
Without electricity grids as modern Earth understood them?
Without even the concept of digital entertainment?
He exhaled slowly.
The system was useless in direct combat.
It did not enhance chakra.
It did not modify bloodlines.
It did not offer forbidden techniques.
It offered… knowledge.
And then—
A torrent of information flooded his mind.
Programming logic.
Narrative structure.
Visual design theory.
Neural interaction models.
Virtual reality architecture.
Artificial intelligence systems.
And something far stranger—
Mental network architecture.
Itachi's Sharingan activated instinctively.
Scarlet irises. Three tomoe.
The knowledge was not limited to 2024 standards.
It extended far beyond.
Future-era neuro-interface systems. Direct cognitive projection frameworks. Thought-linked simulation environments.
He froze.
"…Mental network?"
He focused on that segment of knowledge.
A system where consciousness itself acts as the hardware.
Where minds connect through resonance.
Where reality is simulated directly inside perception.
Slowly… something clicked.
Genjutsu.
The ninja world already possessed the technology the system required.
The Sharingan was not merely an eye technique.
It was the manifestation of spiritual power.
It reflected the mind.
Manipulated perception.
Projected illusions indistinguishable from reality.
The Mangekyō Sharingan could even materialize personalized abilities born from one's psyche.
If ordinary genjutsu could trap a target's senses—
Then what was a game?
A structured illusion.
A controlled sensory environment.
A rule-bound cognitive experience.
The difference between a nightmare and a game… was design.
Itachi closed his eyes.
He began reorganizing the system's mental-network knowledge through the lens of chakra theory.
Chakra = physical energy + spiritual energy.
Spiritual energy = consciousness.
Sharingan = spiritual amplification + perception manipulation.
In other words—
He already possessed the "hardware."
What he lacked was structure.
The system provided that.
His Sharingan spun slightly.
He projected a minimal illusion inward.
Not outward.
Inward.
Instead of trapping an enemy—
He constructed an empty cognitive space.
A blank world.
A stable illusion framework sustained purely by chakra control.
Years of elite-level chakra precision training made the process smooth. His control was already refined enough to perform high-level genjutsu without wasted expenditure.
The illusion stabilized.
Black space.
Silent.
A sandbox.
Itachi opened his eyes.
The illusion collapsed.
"…So that's how it works."
This was not conventional entertainment.
This was genjutsu engineering.
If expanded—
If layered—
If structured—
He could design interactive illusion worlds.
And if multiple consciousnesses were connected…
A multiplayer mental network.
The implications were profound.
A battlefield without blood.
A prison without walls.
A training ground without physical damage.
Or—
Something far more dangerous.
The system prompt appeared again.
[Beginner task: Create first game.]
Itachi looked toward the Uchiha district's quiet streets.
The clan was already under surveillance.
Tension between the village and the Uchiha was escalating.
The coup was inevitable.
He knew the future.
But what if—
Instead of massacre…
Instead of rebellion…
There was another form of control?
Another battlefield?
Another weapon?
The Sharingan gleamed faintly in the darkness.
"…Very well."
If the system insisted on games—
Then he would redefine what a game meant.
In this world, illusions killed.
And he was an Uchiha.
"Let's begin."