November 25.
Special training had entered its most intense stage.
Inside the underground training facility of Tokyo Jujutsu High, the air was thick with tension.
Everyone had already pushed themselves to their limits.
But Satoru Gojo had another method to accelerate their growth.
His ultimate training shortcut.
"Soul body-swap."
"Swap bodies?"
Everyone froze.
Gojo snapped his fingers and pointed behind him.
Standing there was a gloomy boy clutching the sleeve of Mei Mei.
It was Ui Ui.
Although his ability was normally used for teleportation and soul movement, it could also temporarily swap souls between bodies.
"Yeah."
Gojo shrugged.
"This kid's technique is weird."
"But it's incredibly useful."
"If you swap bodies…"
"You can directly experience another person's cursed energy flow and technique control."
He gestured casually.
"Think of it as downloading someone else's combat experience."
"It saves years of trial and error."
"And it also trains your soul's adaptability."
The logic was simple.
But the effect was terrifying.
Yuji entering Kusakabe's body could directly learn Simple Domain.
Yuta entering Gojo's body could experience the extreme precision required to control cursed energy with the Six Eyes.
And others could borrow completely different combat perspectives.
In other words—
It was a cheat code.
"So who swaps first?" asked Maki.
Gojo grinned.
"Yuji and Kusakabe."
"What?!"
Atsuya Kusakabe immediately panicked.
"Why me?!"
"Because your Simple Domain is the most stable," Gojo replied.
"Yuji needs defensive options."
"If Sukuna opens his domain…"
"Yuji needs at least something to resist it."
Then Gojo leaned closer and whispered:
"You don't want your student to die instantly, right?"
Kusakabe fell silent.
"…Fine."
"But treat my body carefully!"
Yuji grinned.
"Don't worry!"
"I'll protect it like my own!"
"…That sentence makes me nervous."
Next came the most shocking pairing.
Yuta Okkotsu.
And Gojo.
Gojo looked at him seriously.
"You have enormous cursed energy."
"But your control still lacks precision."
"With my body…"
"You'll understand what perfect cursed energy manipulation feels like."
Yuta's eyes lit up.
Experiencing the strongest body in the world—
Was every sorcerer's dream.
Finally Gojo turned to Sora.
"What about you?"
"Who do you want to swap with?"
Sora scanned the room.
Then pointed.
"I want to try…"
"…Hakari-senpai."
Everyone looked toward the tall blond delinquent leaning against the wall.
Kinji Hakari.
Hakari raised an eyebrow.
"You want my luck?"
Sora shook his head.
"No."
"I want to feel what it's like…"
"…to constantly fight on the edge of death."
Hakari's technique was not merely gambling.
His domain Idle Death Gamble created a rule-based probability system.
When he hit the jackpot—
He gained infinite cursed energy and temporary immortality.
The flow of cursed energy in that state was extremely unique.
For Sora—
It might reveal new insights.
Especially about probability and causality vectors.
Hakari grinned.
"Interesting."
"Alright."
"Let's gamble."
Ui Ui activated his technique.
Instantly—
Everyone's souls separated from their bodies.
Then entered their assigned hosts.
"Whoa!"
Yuji looked at his hands.
"So this is Kusakabe-sensei's body?"
"It feels so light!"
Meanwhile—
Kusakabe, now inside Yuji's body, nearly collapsed.
"This body is insane!"
"The muscle density is ridiculous!"
"How do you even move like this?!"
Elsewhere—
Yuta slowly removed Gojo's blindfold.
In that instant—
The world changed.
Everything transformed into a web of cursed energy.
Every movement.
Every fluctuation.
Every microscopic flow.
This was the perspective of the Six Eyes.
"Unbelievable…"
Yuta whispered.
It was like seeing the hidden structure of reality itself.
"Don't stare too long."
Gojo—now inside Yuta's body—warned him.
"Your brain will fry."
"The body can handle it."
"But your soul might not."
Yuta quickly covered his eyes again.
Finally—
Yagami Sora opened his eyes.
Inside Hakari's body.
The cursed energy within him surged wildly.
Chaotic.
Explosive.
Like a slot machine spinning nonstop.
Every heartbeat felt like pulling a lever.
"This sensation…"
Sora smiled slightly.
He could feel something.
Probability.
A strange manifestation of causality.
If probability was just another vector…
Then theoretically—
It could be controlled.
"What if I could manipulate probability vectors?"
"For example…"
"Guaranteeing that an attack hits."
"Or guaranteeing that time reversal succeeds."
The thought struck him like lightning.
It was vague.
But it was a path.
A new direction for vector manipulation.
He turned toward Hakari.
"Thanks, senpai."
Hakari—now inside Sora's body—stretched lazily.
"Your body's not bad either."
"That level of precision…"
"It's like performing surgery with cursed energy."
"Looks like I can learn something too."
The body-swap training accelerated everyone's growth dramatically.
Techniques that normally required years to master—
Could now be learned within days.
But it wasn't perfect.
Kusakabe constantly complained that Yuji was eating strange food in his body.
Yuta occasionally became dizzy from the overwhelming sensory input of the Six Eyes.
And Yagami Sora—
Had developed a strange urge to gamble.
Every time he looked at someone…
He wanted to bet something.
Fortunately, those were only temporary side effects.
What truly mattered was one thing.
Everyone was becoming stronger.
Because they had no other choice.
They had to win.
On December 24.
The final battle awaited.
And every second of training burned toward that moment.
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