Chapter 1: The Voice Behind the Bars

The first thing Naruto Uzumaki learned about loneliness was that it had a sound.

It was not silence.

Silence was peaceful. Silence was the wind moving through the trees after midnight, the soft scratching of branches against his apartment window, or the distant footsteps of shinobi returning home after a mission.

Loneliness sounded different.

It sounded like conversations stopping when he entered a store.

Like doors closing before he could knock.

Like mothers calling their children home the moment he approached the playground.

Naruto was eight years old, and he already knew that sound better than anyone.

That afternoon, he sat alone on a wooden swing outside the Ninja Academy. The other children had left hours ago, running toward parents who waited with food, questions, and open arms.

No one waited for him.

Naruto dragged one sandal through the dirt beneath the swing.

Earlier that day, he had tried to join a group of boys practicing with wooden kunai. They had accepted him at first—until one of their parents noticed.

The woman had rushed across the training ground, grabbed her son by the arm, and pulled him away.

She had not spoken loudly, but Naruto heard her anyway.

“Stay away from that boy.”

That boy.

Not Naruto.

Never Naruto.

By sunset, even Iruka-sensei had gone home.

Naruto jumped off the swing and shoved his hands into his pockets.

“Whatever,” he muttered. “I didn’t want to play with them anyway.”

The lie sounded weak when no one was around to believe it.

He walked through the village with his head lowered. Paper lanterns began glowing above the streets as restaurants opened for dinner. Warm light spilled through windows, carrying the smell of grilled fish, rice, and soup.

Families sat together inside.

Naruto kept walking.

His apartment greeted him with darkness.

There were two bowls in the kitchen cabinet, although he had never needed more than one. A calendar hung crookedly on the wall, several months out of date. Empty instant-ramen cups crowded the trash can.

Naruto boiled water and ate alone beside the window.

He tried talking to himself.

He told himself about the shuriken target he had almost hit that morning. He complained about the written assignment Iruka had given the class. He even argued with an imaginary opponent about which Hokage was the strongest.

But answering his own questions only made the room feel emptier.

Eventually, Naruto crawled into bed without changing his clothes.

“Tomorrow will be different,” he whispered.

He said it every night.

He never believed it.

⸻

Water touched his feet.

Naruto opened his eyes.

He was no longer inside his apartment.

A long, dark corridor stretched before him, its walls hidden behind enormous pipes. Water covered the floor up to his ankles, reflecting a dim light that seemed to come from nowhere.

Naruto looked down at himself.

He was still wearing his pajamas.

“What is this place?”

His voice traveled through the corridor and returned as an echo.

This place…place…place…

Naruto took one cautious step.

The water rippled beneath his foot.

He should have been frightened. Any sensible child would have called for help or tried to wake himself.

But Naruto had spent most of his life walking into empty places alone.

At least this place felt as though something might be waiting for him.

He followed the corridor.

The farther he walked, the warmer the air became. An unfamiliar pressure settled over his shoulders. It felt heavy, angry—and strangely alive.

Then Naruto reached the gate.

It was enormous.

Metal bars rose so high that they disappeared into the darkness above. A paper seal bearing the kanji for seal had been placed at the center.

Behind the bars, two red eyes slowly opened.

Naruto stopped breathing.

A massive shape shifted within the darkness. Claws scraped against stone. Nine enormous tails moved behind a body covered in red-orange fur.

A fox lowered its head until one gigantic eye stared directly at the child standing outside its cage.

Hatred filled the corridor.

The water shook.

Naruto fell backward.

The fox showed its teeth.

“So,” it growled, its voice rumbling through Naruto’s bones, “the warden’s brat finally found his way here.”

Naruto’s heart hammered against his chest.

He scrambled backward until his shoulders struck the opposite wall.

“Y-you can talk?”

The fox’s eye narrowed.

Naruto immediately realized that had probably been the wrong question.

A claw shot between the bars.

Naruto screamed and threw his arms over his face.

The claw stopped just short of reaching him.

Its movement sent a violent wave through the water, knocking Naruto onto his back.

The fox laughed.

It was not a friendly sound.

“Pathetic.”

Naruto stared at the claw towering above him. One nail was longer than his entire body.

His legs trembled as he stood.

“What are you?”

The creature pulled its claw back.

“I am the hatred your precious village buried inside you.”

Naruto did not understand the answer.

The fox moved closer, revealing more of its enormous face.

“I am the Nine-Tailed Fox.”

Naruto froze.

Every child in Konoha knew the story.

Eight years earlier, the Nine-Tailed Fox had attacked the village. It had destroyed buildings, killed countless people, and nearly wiped Konoha from the world before the Fourth Hokage defeated it.

But the Academy books never explained what happened afterward.

Naruto slowly placed one hand over his stomach.

“You’re…inside me?”

The fox smiled.

For the first time in his life, Naruto understood why the villagers looked at him that way.

Why shopkeepers refused to serve him.

Why parents dragged their children away.

They had never been looking at Naruto.

They had been looking at the creature behind the bars.

His eyes burned.

“So it’s your fault.”

The fox’s smile vanished.

Naruto’s hands curled into fists.

“They hate me because of you!”

Chakra exploded through the corridor.

The water rose around Naruto as the Nine-Tails slammed both claws against the gate.

“They hated me long before you learned their names!” it roared. “Do not blame me for the cruelty of humans!”

Naruto was thrown backward. His head struck the floor, and pain flashed through his skull.

The fox’s breathing filled the chamber.

For several seconds, neither spoke.

Naruto pushed himself up.

He wanted to scream. He wanted to tell the fox that it had ruined his life. He wanted to attack the bars, even if his fists could do nothing.

Instead, he noticed something.

The fox was chained inside a dark room.

Alone.

Naruto looked down the endless corridor behind him, then back toward the cage.

“How long have you been here?”

The Nine-Tails stared at him.

Naruto wiped his eyes with his sleeve.

“In this place. How long?”

“That is none of your concern.”

“Do you have anyone to talk to?”

The fox’s chakra surged again.

“Leave.”

Naruto flinched.

The corridor began dissolving around him. The walls stretched into darkness, and the fox’s red eyes became distant.

Just before Naruto woke, he shouted the only words he could think of.

“I’ll come back!”

⸻

Naruto shot upright in bed.

Morning sunlight entered through the window.

For several moments, he sat completely still, one hand pressed against his stomach.

“A dream,” he whispered.

But it had not felt like one.

That night, Naruto tried to return.

He closed his eyes and concentrated until his face hurt.

Nothing happened.

The following night, he tried again.

Still nothing.

On the third night, he remembered the feeling of the dark corridor—the cold water, the pipes, and the pressure of those red eyes.

When Naruto opened his eyes, water once again covered his feet.

The Nine-Tails was already awake.

“You,” it growled.

Naruto smiled.

“I told you I’d come back.”

“Leave.”

Naruto sat down outside the cage.

“No.”

The fox stared at him.

Naruto began telling it about his day.

He talked about Iruka catching him drawing on his desk. He complained about the students who had laughed when his Clone Jutsu failed. He explained why miso ramen was better than soy-sauce ramen.

The Nine-Tails turned away and refused to answer.

Naruto came back the next night.

And the next.

Sometimes he talked for hours. Sometimes he only sat in the water, throwing a small ball of chakra against the wall and catching it when it bounced back.

The fox never responded.

Weeks passed.

Naruto continued visiting.

One night, after Naruto had spent several minutes describing an argument no one else would have considered important, the fox finally opened one eye.

“Why?”

Naruto stopped speaking.

The Nine-Tails lifted its head.

“Why do you keep appearing here?”

Naruto looked at the water beneath him.

His usual smile disappeared.

“Because I don’t have anyone else to talk to.”

The fox remained silent.

“Nobody wants to play with me,” Naruto continued. “Nobody wants to train with me. When I walk toward people, they leave.”

He pulled his knees against his chest.

“I know you don’t like me. You don’t have to.”

Naruto looked through the bars.

“But you’re always here.”

The Nine-Tails’ eyes narrowed.

Naruto gave it a small, tired smile.

“And maybe…you don’t have anyone to talk to either.”

For the first time, the creature had no answer.

Naruto stood and brushed the water from his clothes.

“I’ll come back tomorrow.”

He began walking toward the corridor.

Behind him, the fox spoke.

“I am not your friend.”

Naruto stopped.

The words were harsh, but they were still words.

The fox had answered him.

Naruto turned around with the brightest smile it had ever seen.

“That’s okay.”

The Nine-Tails stared at him.

Naruto walked backward into the darkness.

“I’ll still see you tomorrow!”

When the child disappeared, silence returned to the chamber.

The Nine-Tails lowered its head onto its paws.

It told itself that the brat was irritating.

It told itself that humans always wanted something.

It told itself that tomorrow, it would ignore him again.

But on the following night, before Naruto arrived—

the fox was already awake.

Chapter 2: The First Lesson

The following night, Naruto returned carrying a ball.

He did not know how he had brought it into the strange world inside his mind. He had fallen asleep hugging the old rubber ball against his chest, and when he opened his eyes in the flooded corridor, it was still tucked beneath his arm.

Naruto decided not to question it.

The Nine-Tails was awake.

The fox lay behind the bars with its head resting upon its front paws. Its eyes were closed, but one ear shifted when Naruto’s sandals disturbed the water.

Naruto grinned.

“You were waiting for me.”

One enormous red eye opened.

“I was enjoying the silence.”

“Then why aren’t you sleeping?”

“I do not need to sleep.”

“Exactly. So you were waiting.”

The fox’s eye closed again.

Naruto took that as a victory.

He sat in his usual place outside the gate and began talking.

He described the breakfast he had nearly burned that morning. He complained about Iruka assigning the class a five-page reading exercise. He explained how Kiba had claimed Akamaru could identify anyone by scent, so Naruto had covered himself in pepper to test the theory.

“And then Akamaru sneezed on Kiba’s face!” Naruto said, laughing. “You should’ve seen it!”

The fox remained motionless.

Naruto stared at it.

“You can laugh, you know.”

“I found nothing amusing.”

“You’re terrible at having fun.”

“I am a being of hatred and destruction.”

“That sounds boring.”

The Nine-Tails opened both eyes.

Naruto smiled innocently.

For several seconds, the fox appeared to consider crushing him through the gate.

Then it turned its head away.

Naruto placed the ball in front of him.

“Do you want to play?”

The fox did not answer.

Naruto bounced the ball against the wall and caught it.

The sound traveled through the chamber.

Thump.

He threw it again.

Thump.

Again.

Thump.

The fox’s tails twitched.

Naruto continued until the ball struck the wall at a strange angle. It bounced past his fingers, rolled across the water, and slipped between two bars of the gate.

It stopped beside one of the fox’s claws.

Naruto crawled toward the bars.

“Can you push it back?”

The Nine-Tails looked at the ball.

Then at Naruto.

“No.”

“Come on. It’s right there.”

“Retrieve it yourself.”

Naruto examined the distance between the bars. He could fit his arm through, but the ball rested far beyond his reach—and directly beneath a claw capable of flattening him.

“You’re closer.”

“Then it belongs to me now.”

Naruto gasped.

“You don’t even want it!”

“That is irrelevant.”

“You stole my ball!”

“You threw it into my prison.”

“It was an accident!”

The Nine-Tails lowered its head again.

Naruto stretched his arm between the bars. His fingertips did not come close.

He tried lying flat in the water.

Still too far.

After several attempts, Naruto sat up and crossed his arms.

“Fine. Keep it.”

The fox said nothing.

“I’ll find another game.”

Naruto tried talking again, but his attention repeatedly returned to the ball.

It was old and faded. One side had been patched where the rubber had split. Naruto had found it abandoned behind a store several years earlier.

It was not valuable.

But it was his.

Eventually, Naruto became quiet.

The Nine-Tails opened one eye.

The child sat with his knees pressed against his chest, staring at the water. For once, no meaningless story spilled from his mouth.

The fox looked at the ball beside its claw.

A single nail moved.

The ball rolled across the stone, passed between the bars, and stopped against Naruto’s foot.

Naruto stared at it.

Then he looked up.

The Nine-Tails had already closed its eye again.

A smile slowly spread across Naruto’s face.

“Thanks.”

“Be silent.”

Naruto picked up the ball.

He threw it gently toward the gate.

The ball passed between the bars.

The Nine-Tails opened its eyes as it bounced against one massive claw.

Naruto waited.

The fox stared at him.

Naruto continued waiting.

With a low growl, the Nine-Tails pushed the ball back.

Naruto caught it and laughed.

“See? You’re playing!”

“I am removing an irritating object from my territory.”

Naruto threw the ball again.

“Whatever you say.”

⸻

The next morning, Naruto fell asleep during class.

His cheek rested against an open textbook while Iruka explained the principles of chakra.

“Chakra is created by combining physical energy from every cell in the body with spiritual energy gained through experience and training.”

Naruto’s eyes remained closed.

Inside his mindscape, he sat outside the cage, rolling the ball across the water.

The Nine-Tails pushed it back with one claw.

“You throw poorly,” the fox said.

“At least I have hands.”

“I could strike a target from this distance with my eyes closed.”

“Then close them.”

The fox stopped the ball beneath its claw.

Naruto immediately regretted the challenge.

Outside, a piece of chalk struck his forehead.

Naruto fell backward from his chair.

The class erupted in laughter.

“Naruto!” Iruka shouted. “If you have enough time to sleep, perhaps you can explain the relationship between chakra volume and chakra control.”

Naruto rubbed his forehead.

“The what?”

More laughter spread through the classroom.

Iruka sighed.

“Having a large amount of chakra does not guarantee that a shinobi can perform a technique properly. If too much chakra is supplied—”

“The technique becomes distorted,” Naruto interrupted.

Iruka paused.

Naruto paused too.

He had not known the answer.

The fox’s voice had entered his mind so naturally that Naruto had repeated it without thinking.

Iruka slowly lowered the chalk.

“That is…correct.”

Naruto blinked.

Behind him, Sasuke Uchiha glanced away from the window.

Iruka studied Naruto for another moment.

“Then perhaps you were listening after all.”

Naruto scratched his cheek.

“Yeah. Of course.”

Inside his mind, the Nine-Tails scoffed.

“You were drooling upon the book.”

Naruto whispered under his breath, “Don’t ruin this for me.”

“Naruto?” Iruka said.

“Nothing!”

The class laughed again, but Naruto barely heard them.

For the first time, the fox had helped him without being asked.

⸻

That afternoon, the Academy students practiced the Clone Jutsu.

One by one, they stepped forward and formed the necessary hand seal.

Sasuke created a nearly perfect duplicate.

Sakura’s clone appeared beside her without difficulty.

Even Kiba succeeded after only two attempts.

Then Naruto’s name was called.

He walked to the center of the training room.

Several students began whispering.

“This will be terrible.”

“He always fails.”

“Maybe he’ll make another dead one.”

Naruto clenched his jaw and formed the seal.

“Clone Jutsu!”

A cloud of smoke appeared.

When it cleared, a pale, malformed clone lay on the floor. Its head tilted unnaturally to one side, and it could barely lift an arm.

The room filled with laughter.

Naruto’s face burned.

Iruka dismissed the clone and approached him.

“You are forcing too much chakra into the technique again.”

“I did exactly what you said!”

“No, you released nearly four times the amount required.”

“How am I supposed to know what ‘the right amount’ feels like?”

“That is why you must practice.”

Naruto looked toward the other students.

Sasuke was not laughing, but the disappointment felt worse than mockery.

Naruto left the Academy as soon as class ended.

He did not stop at the swing.

He ran into the forest, found an empty training ground, and attempted the Clone Jutsu again.

The result was even worse.

“Again!”

Another failure.

“Again!”

The third clone appeared without legs.

Naruto punched the ground.

“Why can everyone else do it?!”

No one answered.

He tried until sunset.

Each failure consumed more chakra than the last. His breathing became heavy, and sweat ran into his eyes.

Still, Naruto formed the seal again.

“Clone—”

“Stop.”

The voice came from within him.

Naruto froze.

The Nine-Tails had never spoken to him while he was awake unless Naruto deliberately entered the mindscape.

Naruto looked around the empty training ground.

“Fox?”

“You are nearly empty.”

“I can still do it.”

“No. You can still injure yourself.”

Naruto stared at his shaking hands.

“I have to practice.”

“You are not practicing. You are repeating the same mistake until your body collapses.”

Naruto’s expression hardened.

“Then tell me what I’m doing wrong.”

Silence followed.

Naruto waited.

The fox owed him nothing. It had made that clear from the beginning.

Naruto formed the hand seal again.

“Do not draw from the center.”

He stopped.

“What?”

“Your chakra is not a cup of water to be poured all at once. You are dragging too much through your network before the technique has formed.”

Naruto tried to understand.

“Then how do I use less?”

The fox growled quietly.

Naruto could almost imagine it regretting the decision to speak.

“Close your eyes.”

Naruto obeyed.

“Feel the chakra moving beneath your stomach.”

At first, Naruto felt nothing.

Then he noticed warmth.

It rested deep inside him, much larger than he expected. When he reached for it, the warmth surged eagerly toward his hands.

“Do not pull,” the fox said. “Allow only a thread to move.”

Naruto concentrated.

The surge narrowed.

Most of the warmth remained where it was. A tiny portion traveled upward through his chest, split at his shoulders, and moved into both hands.

Naruto formed the seal.

“Now give the technique shape.”

“Clone Jutsu.”

Smoke appeared.

When it cleared, a clone stood beside him.

Its jacket was missing a sleeve. One whisker mark was crooked, and its left eye was slightly larger than the right.

But it stood.

Naruto opened his eyes.

The clone looked back at him.

For several seconds, neither moved.

Then Naruto jumped into the air.

“I DID IT!”

The clone copied him.

They collided and fell into the grass.

Naruto laughed until his stomach hurt.

Inside the seal, the Nine-Tails listened.

Naruto dismissed the clone and immediately closed his eyes.

He appeared in the flooded corridor, smiling so widely that his cheeks hurt.

“You taught me!”

“I corrected an irritating mistake.”

“That makes you my teacher.”

“No.”

“Fox-sensei!”

“Absolutely not.”

Naruto dropped onto the floor outside the cage.

“Can we do another lesson tomorrow?”

“There will be no lesson tomorrow.”

“What about the day after?”

“No.”

“Next week?”

The Nine-Tails bared its teeth.

Naruto laughed.

Then he became quiet.

“Hey…‘Nine-Tailed Fox’ is too long.”

The fox’s eyes narrowed suspiciously.

“Do not give me one of your ridiculous human nicknames.”

“I wasn’t going to.”

“You named the malformed clone you created last week ‘Naruto Two.’”

“It looked like me!”

“It barely looked alive.”

Naruto picked up the rubber ball and turned it between his hands.

“Then what should I call you?”

The fox stared at him.

Naruto expected it to refuse.

For a long moment, only the sound of dripping water moved through the chamber.

Finally, the fox spoke.

“My name is Kurama.”

Naruto repeated it softly.

“Kurama.”

The name felt different from Nine-Tails. It did not sound like the title of a monster from an Academy book.

It sounded like someone.

Naruto smiled.

“Nice to meet you, Kurama.”

The fox looked away.

“We have met many times.”

“Not properly.”

Naruto stood and threw the ball through the bars.

It bounced once before stopping beside Kurama’s claw.

“Come on, Kurama.”

The fox looked at the ball.

Then, with a quiet growl, pushed it back.

Naruto caught it.

Neither of them called it friendship.

Not yet.

But the following afternoon, when Naruto returned to the training ground, Kurama was already watching through his eyes.

And when Naruto formed the hand seal—

the first lesson continued.

Chapter 3: The Grumpy Teacher

Kurama’s first rule was simple.

“Again.”

Naruto lay face-down in the dirt, arms stretched above his head and one sandal missing.

“I’ve already done it twenty times.”

“Twenty-three.”

“Then why did you say again?”

“Because all twenty-three attempts were terrible.”

Naruto pushed himself onto his knees and glared at the empty training ground.

To anyone watching, he would have appeared to be arguing with himself.

Inside his mind, Kurama lay behind the great metal gate, one eye open as he observed the world through Naruto’s senses.

Three wooden targets stood between the trees. Each had a chalk circle drawn at its center.

Several kunai were scattered across the ground.

Only one had struck a target.

It was nowhere near the circle.

Naruto retrieved his missing sandal.

“You’re supposed to encourage your student.”

“I told you that you successfully threw the weapon in the correct general direction.”

“That was an insult.”

“It was an accurate assessment.”

Naruto slipped the sandal back on and picked up another kunai.

The Academy had only taught them how to stand and throw. Kurama had immediately declared Naruto’s stance useless.

According to him, Naruto tightened his shoulder too early, shifted his weight onto the wrong foot, and stared at the target so obviously that even a blind opponent would know where he intended to attack.

Naruto raised the kunai.

“Relax your shoulder,” Kurama said.

Naruto lowered it slightly.

“Not that much.”

“You said relax!”

“I did not say allow your arm to fall off.”

Naruto gritted his teeth and adjusted again.

“Your front foot.”

He moved it.

“Too far.”

Naruto moved it back.

“Now you are standing exactly as you were before.”

“Then show me how!”

Silence followed.

Naruto immediately realized the problem.

Kurama was a fox with paws larger than Naruto’s apartment. He had never thrown a human weapon in his life.

Naruto smiled.

“You don’t know how to use a kunai, do you?”

The pressure inside his mindscape changed.

“I have lived through more battles than your village has recorded.”

“That wasn’t my question.”

“I know how humans move.”

“But you can’t throw one.”

“Naruto.”

The boy’s smile grew wider.

“Kurama.”

A thin pulse of red chakra flickered beneath Naruto’s skin.

He immediately stopped smiling.

“All right! I’m throwing it!”

Naruto faced the target.

He loosened his shoulder, adjusted his front foot, and avoided staring directly at the center. Then he threw.

The kunai spun once before striking the outer edge of the target.

Naruto stared.

It had not reached the center, but it had landed.

“I did it!”

“Again.”

Naruto’s excitement collapsed.

“Can’t you say ‘good job’ one time?”

“When you do a good job.”

Naruto picked up another kunai.

He was still complaining when he threw the next one.

It landed closer to the center.

⸻

Their training began before sunrise and continued after the Academy ended.

Kurama refused to teach Naruto powerful techniques.

Instead, he focused on the things Naruto hated most.

Balance.

Breathing.

Posture.

Chakra control.

Naruto had expected secret fox attacks, enormous explosions, and perhaps a technique that would make him taller.

Kurama made him stand on one leg while holding a leaf against his forehead.

“This is boring,” Naruto said.

“You have fallen sixteen times.”

“That’s because you keep distracting me.”

“I have said nothing for the last four minutes.”

“That silence was distracting.”

The leaf slipped from Naruto’s forehead.

He leaned forward to catch it, lost his balance, and fell from the wooden post.

His face struck the grass.

Kurama sighed inside his mind.

Naruto lifted his head.

“Did you just sigh?”

“No.”

“You did!”

“Stand up.”

Naruto climbed onto the post again.

The exercise seemed pointless until Kurama explained that Naruto’s chakra did not move like most humans’.

His reserves were enormous for a child, but his control was crude. Every time he performed a jutsu, he reached for far more chakra than necessary. It was like attempting to fill a cup by breaking open a dam.

Kurama’s chakra complicated the problem.

Even when sealed, a small amount constantly mixed with Naruto’s own. It strengthened his body and accelerated his recovery, but it also made his chakra feel heavier and more difficult to measure.

“You are accustomed to excess,” Kurama explained. “That is why simple techniques collapse.”

“So having lots of chakra makes me worse?”

“No. Your lack of discipline makes you worse.”

Naruto nearly fell from the post again.

“You could’ve just said I need better control!”

“I did.”

“You added the insult!”

“It was necessary.”

Despite his complaints, Naruto improved.

Within several weeks, he could create a stable clone almost every time.

After another month, he could strike the target with three of five kunai.

He learned to feel chakra moving through different parts of his body. He could gather it in his feet, palms, and fingertips without releasing everything at once.

Kurama made him repeat every exercise until he could perform it while tired, distracted, or angry.

Especially angry.

“Again,” Kurama said after Naruto completed ten perfect clones.

Naruto dismissed them.

“They were all perfect!”

“The fourth had a shorter shoelace.”

“No one looks at shoelaces during a fight!”

“An observant enemy does.”

Naruto created the clones again.

The fourth clone’s shoelace matched this time.

Kurama said nothing.

Naruto crossed his arms.

“Well?”

“Acceptable.”

Naruto grinned.

After several months, he understood that acceptable was Kurama’s version of good job.

⸻

Keeping his progress hidden became more difficult.

During one Academy lesson, Iruka asked the class to demonstrate the Clone Jutsu.

Naruto stepped forward and formed the seal.

Six perfect clones appeared beside him.

The classroom became silent.

Naruto looked at the clones.

Iruka looked at Naruto.

Sasuke stopped writing.

Kurama’s voice entered Naruto’s mind.

“Too many.”

Naruto panicked.

One clone fell over. Another began spinning in circles. Two collided, and the last pair transformed with oversized heads.

The class erupted in laughter.

Naruto dismissed them in a cloud of smoke.

Iruka rubbed his temples.

“For one second, I thought you had finally mastered it.”

Naruto laughed and scratched the back of his head.

“Guess I got lucky!”

He returned to his seat.

Sasuke watched him the entire way.

Inside Naruto’s mind, Kurama growled.

“Subtle.”

“I panicked!”

“You could have created one clone.”

“I forgot how much chakra I was using!”

“That is precisely why we continue training.”

Naruto lowered his head onto the desk.

Iruka began explaining transformation theory.

Naruto closed his eyes and appeared inside his mindscape.

Kurama stared at him from behind the gate.

“What?”

“You revealed too much.”

“They just think it was an accident.”

“The Uchiha child does not.”

Naruto glanced through his own half-open eyes.

Sasuke had returned to his notes, but his attention remained on Naruto.

“Why do I have to hide anyway?” Naruto asked. “If everyone knew I was getting stronger, maybe they’d stop treating me like I’m useless.”

Kurama’s expression hardened.

“Or they would begin asking how.”

“So?”

“What will you tell them?”

Naruto opened his mouth.

Then closed it.

The village had spent eight years pretending Kurama did not exist while punishing Naruto for carrying him.

If they discovered the two were speaking—if they learned Kurama was teaching him—Naruto did not know what they would do.

“They might separate us,” he whispered.

The bars between them suddenly seemed larger.

Kurama looked away.

“This village considers me a weapon. If they believe the weapon is moving without their permission, they will attempt to tighten the chains.”

Naruto placed one hand against the bars.

“I won’t let them.”

“You are a child.”

“I’m still not letting them.”

Kurama looked down at the small hand resting against the metal.

“Then become strong enough that your promises possess meaning.”

Naruto’s expression changed.

“How strong?”

“Strong enough to survive without borrowing my power.”

Naruto blinked.

“You’re not going to give me chakra?”

“No.”

“But you have tons!”

“That is precisely why you will not receive it.”

Naruto pressed his face between two bars.

“What’s the point of having a giant fox inside me if I can’t use giant fox power?”

Kurama’s eye twitched.

“I am not equipment.”

“I know that! But allies share things.”

“We are not allies.”

Naruto smiled.

“Not yet.”

Kurama showed his teeth.

Naruto stepped away from the gate before the fox could decide whether to bite through it.

⸻

That evening, Naruto trained alone beside a river.

Kurama had instructed him to cross the water using chakra beneath his feet.

Naruto had never seen an Academy student attempt such a thing. According to Kurama, that was irrelevant.

“If you can stand on a post, you can stand on water.”

“A post doesn’t move.”

“Then adapt.”

Naruto stepped onto the river.

His foot immediately sank.

He pulled himself back onto the bank.

“Too little chakra,” Kurama said.

Naruto tried again.

This time, the water exploded beneath his foot and launched him backward.

He struck a tree.

“Too much.”

Naruto slid down the trunk.

“You could warn me before it explodes.”

“You would not remember the lesson as clearly.”

By sunset, Naruto had fallen into the river thirty-seven times.

His clothes clung to his skin, and his teeth chattered. Still, he stepped onto the water again.

One foot held.

Then the other.

Naruto stood on the river.

His legs shook.

He took one step.

Then another.

A smile appeared on his face.

“I’m doing it.”

“Do not lose concentration.”

“I’m actually doing it!”

“Naruto.”

He turned toward the bank.

“Kurama, look!”

The chakra beneath his right foot surged.

The water collapsed.

Naruto fell in.

The current caught him before he could recover.

His head disappeared beneath the surface.

Cold water filled his mouth. He struck a submerged rock and lost what little air remained in his lungs.

Naruto tried to gather chakra into his feet, but fear shattered his concentration.

The current dragged him toward a small waterfall downstream.

“Move your arms,” Kurama ordered.

Naruto could barely hear him.

He reached for the riverbank and caught nothing.

“Naruto!”

The edge of the waterfall approached.

Naruto’s vision blurred.

Then warmth erupted inside his chest.

A thin layer of red chakra wrapped around his body.

It did not burn.

It did not overwhelm him.

It moved like an extra arm, catching the branch of a tree hanging above the river.

Naruto was pulled from the water and dropped onto the bank.

He coughed until his lungs stopped hurting.

The red chakra vanished.

For several minutes, Naruto lay beneath the tree, breathing.

Then he closed his eyes.

He appeared inside the mindscape.

Kurama stood behind the gate. His ears were raised, and all nine tails moved restlessly behind him.

Naruto placed both hands on his knees.

“You gave me chakra.”

“I prevented my vessel from drowning.”

“You said I couldn’t borrow your power.”

“You did not borrow it. I used it.”

Naruto walked closer.

“You saved me.”

“If you die, I die.”

Naruto stopped outside the gate.

“That’s the only reason?”

Kurama’s eyes narrowed.

“Yes.”

Naruto studied him.

The fox looked angrier than usual—but not at Naruto.

Kurama had been afraid.

Naruto smiled.

“Thanks.”

“I warned you not to lose concentration.”

“I know.”

“You turned around while standing upon moving water.”

“I know.”

“You nearly drowned because you wanted praise.”

Naruto lowered his head.

“I know.”

Kurama’s voice became quieter.

“Do not treat your life so carelessly.”

Naruto looked up.

No one had ever said those words to him before.

The villagers avoided him. Teachers reprimanded him. The Hokage occasionally checked whether he had food and money.

But no one had ever sounded angry because Naruto almost disappeared.

Naruto sat beside the gate.

“I’ll be more careful.”

Kurama lay down, though his eyes remained on the child.

“You will repeat the exercise tomorrow.”

Naruto groaned.

“I almost died!”

“Which proves you require additional practice.”

“You’re heartless.”

“You called me kind several moments ago.”

“I changed my mind.”

Kurama closed his eyes.

Naruto leaned his back against one of the bars.

The rubber ball rested beside him.

After a while, he pushed it through the gate.

Kurama stopped it beneath one claw.

“Hey, Kurama?”

“What?”

“When I can control my own chakra properly…”

Naruto looked at the faint red light still fading from his fingertips.

“…will you teach me how to control yours?”

Kurama stared at him.

The answer should have been no.

Humans who sought his chakra always wanted the same thing: destruction, victory, power.

But Naruto had not asked how to take it.

He had asked how to control it.

How to keep it from controlling him.

Kurama pushed the ball back through the bars.

“Master your own power first.”

Naruto caught it.

“That isn’t a no.”

“It is not a promise.”

Naruto smiled.

“I’ll take it.”

He threw the ball again.

Kurama returned it.

Outside the mindscape, Naruto’s body slept beside the river while the last traces of red chakra kept him warm.

The next morning, he stepped onto the water again.

This time, he did not fall.