Naruto: Legacy of the Byakugan Chapter 6

Lines That Shouldn’t Be Crossed

October 2, 34 bNb

.

Rain had started again.

Thin drops pattered against the wide glass panes lining the northern wall. Tobirama didn’t look up at first. His fingers tapped once against the edge of the parchment in his hand, then stopped.

“Dismissed,” he said, eyes remaining trained on the paper.

Two sets of footsteps retreated: Uchiha Rei was the first to leave—still young, but his voice had steadied when he’d described the encounter. Kaimu Aburame followed behind without a word.

The door closed with a soft click.

Tobirama placed the report down.

The ink hadn’t even dried yet.

Kiruai the Storm. Kinkaku Force. Presence confirmed within Fire borders.

Not speculation.

A confirmed sighting.

A single drop of water slid down the glass as he sighed. 

He had known this day would come. 

Small movements first. Scouting forces. Mercenaries hired across lesser nations. Pressure against patrol lines, just enough to be deniable.

But this wasn’t subtle.

Kiruai was not a wanderer. He was not a missing-nin. He was a marked asset of the Kinkaku Force. And the Kinkaku Force did not cross borders by accident.

Tobirama’s fingers drummed once more, then stilled.

The door opened again, unannounced.

Few people entered like that.

“Sasuke,” Tobirama said without turning.

The man who stepped in wore no formal sign of station. No elaborate robe, no sash. His forehead protector was worn at the hip, not the brow, because he had no need to declare who he was.

Sarutobi Sasuke.

A remarkable jōnin, and a tactician with a great deal of foresight—he was amongst the most powerful in the village, and easily the one Tobirama trusted most.

Sasuke stepped forward, closing the door behind him. His attire was still damp at the edges. His brow slightly furrowed.

“I passed the Uchiha and the Aburame on the way in,” he said. “They looked grim.”

Tobirama didn’t answer right away.

Instead, he turned, lifting the report by its edge and handing it to him.

Sasuke read quickly. His eyes narrowed.

“They’ve sent the Kinkaku Force this far south?” he said at last. “So soon?”

Tobirama nodded once.

“Kiruai was leading. He’s dead now. Hiro Hyuga dealt with him.”

“That alone will rattle Kumo.”

“It should.”

Sasuke set the scroll down. “They’re not probing anymore—it’s a bold move.”

“They’re done testing the waters,” Tobirama replied. “They’ve begun wading in.”

For a while, the only sound was the rain ticking against the window.

“They’ve been building up,” Sasuke said, folding his arms. “The Sky, Bird, and Wolf nations—three separate treaties in the last two years. Kumo didn’t make those deals for patrolmen.”

Tobirama said nothing.

“They’re arming themselves with more than just swords,” Sasuke continued. “Some of the mercenaries they’ve brought in were missing-nin. Others were trained specialists from their original villages. The Bird Nation has wind experts. The Wolf relies on terrain manipulation and stamina fighters. The Sky... no one knows exactly, but whatever it is, Kumo’s inducted them into the Kinkaku Force.”

“They’ll use the force as a vanguard,” Tobirama said. “They’re still largely unmarked and unknown to us. They can attack and disappear, after which they’ll deny all involvement.”

Sasuke looked to the rain outside. “If we retaliate directly, we risk open war. With more than just one nation to—it’s not worth it, and they know that,” he shook his head, then reached into his inner sleeve and with a quiet flick pulled a polished oak pipe.

He let it catch flame, a faint orange glow coloring the tip of the pipe. He exhaled.

“I suppose that’s what they’re counting on,” Sasuke murmured. “Our restraint.”

“But if we don’t act,” Tobirama said, “they’ll keep coming.”

They both remained silent.

Sasuke then peered out the window, motioning to the lone head carved into the mountain.

A long pause.

Then: “For now, we’re still stable.”

“Because my brother still breathes,” Tobirama acknowledged.

Sasuke didn’t answer.

“His heart falters after every meeting. He knows war is coming even better than we do—it gnaws at him. He wishes for peace more than anything else, but his health is failing him. He cannot force the world to halt its ambitions much longer. The civilians don’t say it aloud—but even they see it.”

“And still,” Sasuke said slowly, “the name Senju holds weight.”

“Only because I am still here.”

A beat.

“And if you fall?” Sasuke asked.

Tobirama turned away from the window, his red eyes calm.

“Then we’ll burn.”

It was fact.

There were no delusions in Tobirama’s mind. The other nations no longer saw Konoha as an impenetrable fortress, one personally guarded by the God of Shinobi.

Cracks had begun to show, never before would Kumo—any other nation, for that matter—dare to step a single foot into the Fire Country for fear of bringing down the wrath of God.

Hashirama had held peace together with sheer will. But that was now fading. 

And Tobirama… he was no fool.

He could hold the line.

But only for so long.

He looked back down at the report on the table.

Kiruai. A-rank. Dead. No survivors.

A warning. Maybe even a message.

They had sent a storm into their borders, wishing to test the waters.

And Konoha had returned it broken.

Tobirama’s lips pressed into a thin line.

Let them take that to heart. 

He turned to Sasuke.

“Prepare the Watch Units. Double the patrols along the border.”

“Understood.”

“And send word to the Hyuga clan. I want Hiro back here within the week. Personally.”

Sasuke inclined his head.

“And if they send another Kiruai?”

Tobirama’s eyes narrowed. 

“Then I’ll go.”

Kumo prided themselves on their speed, but it was time they remembered that when he moved, the only thing they’d see was a flash and—

There would be no survivors.

.

Two days later

The rain came hard that night.

Sheets of water fell across the mountain slopes, drenching the trees and washing the cracked stone of the southern border path clean. 

Hiro Hyuga moved through it all, silent and dry beneath his cloak.

His footsteps were too light to disturb the puddles. His robes were soaked at the edges. The storm could barely touch him—only remind him.

Remind him of a different Lightning-streaked night.

When he had last walked this road, his children had not yet drawn breath. His wife had.

Now the house was silent without her.

He picked up speed.

He had decided to return after following a trail to the middle of nowhere—the only thing in sight was some merchant detritus.

Nothing urgent.

He would report to Tobirama in the morning.

Tonight, he would return to his children.

. 

The Hyuga compound loomed large under the stormlight, its roof glistening beneath the downpour. Hiro moved without pause, the inner wall guards parting for him at a glance.

“Welcome home, Lord Hiro.”

He said nothing in return. Only gave a curt nod and passed through.

The servants in the main corridor bowed in sequence as he stepped inside. Rainwater pooled at his heels.

“Where are my children?” he asked, voice flat.

The nearest servant straightened, answering promptly. “Young Master Hiroto is in the eastern study. He has been copying the Sutras. We expect he will retire soon.”

“And my daughter?”

The servant paused.

The silence was brief. 

The man’s eyes shifted downward. His voice, quieter now: “She is… in the branch family estate.”

The words did not make sense.

Hiro’s gaze snapped to him. “Why?”

The servant opened his mouth. Closed it.

Another spoke. “She was moved there after… after the ceremony.”

“What ceremony?”

The servants exchanged glances.

“…The sealing, my lord.”

The air dropped.

For a moment, nothing moved. Not the rain. Not the servants. Not Hiro.

Then his robe shifted.

And he was gone.

. 

The branch compound was dimly lit, as it always was—stone floors, low lamps, and the scent of burned paper.

But the light that came through the doors now was not flame.

Hiro stepped in, soaked with stormwater.

He found her in the second hall.

Hina sat on a cushion too large for her, head bowed low. Her pale hair, once tied with silk, now hung loose. Her posture was tense, straight-backed, and stiff, not pride that kept her so still. 

It was fear.

Hotaka stood behind her. Homoro to her left, hunched beneath his shawl.

“…And that is why your poise must always reflect the pride of the branch family,” Hotaka was saying. “Your bearing must be clean. Your eyes down. You are the shield between your kin and dishonor.”

“Yes, Elder,” Hina whispered.

Her voice was quiet. Too quiet.

The laughter, the stubborn glint in her eye, and the way she used to pout when Hiroto teased her or giggle when the koi nibbled at her fingers were gone. The spark of childish ardour—

Gone.

She didn’t fidget. Didn’t dare to look around. She sat still, gaze fixed on the floor, and answered every instruction with the same soft, joyless tone.

She was three years old.

And already, she had begun to move like someone who had forgotten what it meant to be unafraid.

Hotaka nodded, pleased. “And in time—”

Hiro stepped forward.

Both men froze.

Hina turned.

Her gaze faltered as soon as it met his.

He saw it then.

A thin mark, half-faded under the fringe of her bangs.

The Caged Bird Seal.

It burned behind his eyes.

Neither Hotaka nor Homoro spoke. Not right away. 

The silence that followed was not hesitation, nor was it to stall to try and scrap together an explanation—it was space, space to absorb what he had heard. To understand—no, to accept.

Homoro was the first to move. He shifted his weight on his cane and took a slow breath, his voice tired, but still laced with conviction. 

“The Grand Elder said you would understand,” he rasped, as if he were reciting something memorized. “That you, of all people, would not object. That you would remember your own path, how the mark was placed upon your cousins when you were just a boy. How it protected the clan. Preserved our structure.”

Hiro said nothing.

“That you would see the same necessity here,” Homoro finished, and lowered his gaze, reverent.

Then—a hand.

Hotaka’s.

It landed lightly on Hiro’s shoulder. A touch too familiar, like the hand of a peer.

He smiled thinly. It held no warmth.

“I admit,” Hotaka said, voice smooth, “I expected resistance. Perhaps even some… indignation. But it seems the Grand Elder was right. You haven’t let sentiment blind you. That’s what separates you from the others.”

Hiro still said nothing.

Behind them, Hina lowered her head slightly—her eyes, barely visible beneath the curtain of her hair, shimmered with something other than confusion. Not fear. Not even shame.

It was hurt.

A hollow ache in her chest.

Her mouth parted slightly as if to speak, but then, as if she thought better of it, closed again. She didn’t look at her father. 

Couldn’t. 

“I always knew you would come around,” Hotaka continued, gently tightening his grip. “That when the time came, you would recognize what tradition demands. You know better than anyone—this seal isn’t cruel. It’s order. Legacy, even. You wouldn’t jeopardize that.”

There was the faintest pause.

“You wouldn’t go against the seal.”

He smiled a little more.

“It was never a question.”

Hiro’s hand closed over his.

A crack echoed in the air.

Hotaka hissed.

Hiro released him without a word.

His voice was low. “Where is my father?”

A shadow passed through the hall.

“I am here,” said the Grand Elder.

Hiromasa Hyuga entered the chamber with the ease of one born to the silence. His robes were white. His hair was tied high. He did not carry a cane.

He never had.

“I was informed of your return. I came to greet you.”

Hiro turned.

The storm still clung to his shoulders. Rain dripped to the floor in silence.

“You branded my daughter.”

“She is of the branch house,” Hiromasa said. “And the branch house requires a leader.”

“I told you,” Hiro said, voice low, “I had no intention of letting this happen.”

The words came out like steel. 

He didn’t shout. Didn’t snarl. But the quiet fury of his voice made the entire courtyard still, nonetheless.

His eyes never left Hotaka’s. 

“She was smiling when I left,” he said, quieter still. “She asked if she could show me her writing.”

Behind him, Hina looked up sharply.

Hiromasa’s voice did not change. “And yet it did happen.”

The silence stretched.

“You are clan leader, yes,” Hiromasa said. “But you are also my son.”

He took a step forward, hand rising slightly, not in attack. In assertion.

“You may hold the title. But do not forget the name beneath it. You are Hiro Hyuga—son of Hiromasa Hyuga. And you will not defy me, boy.”

The word was spoken like iron.

But it was the last thing he would say before the world shifted.

Hiro’s eyes did not narrow. 

He simply exhaled.

And the floor cracked beneath his feet.

The entire room groaned with pressure.

The air thickened. Lamps flickered. Dust rose from the ceiling beams.

Hotaka fell back a step.

Homoro leaned heavily on his cane, breath caught in his throat.

Even Hiromasa’s robes stirred at the edges.

Before the surge reached her, servants pulled Hina back into the hallway, shielding her from the force.

And still, the storm did not stop.

. 

In the Aburame compound, deep within the cedar groves, Clan Head Shibuki Aburame paused in his meditation. His kikaichū stirred on his skin.

“…Hyuga,” he murmured.

He did not rise. But his brow furrowed faintly beneath his hood.

“A rare thing… to feel wind from the east.”

.

In the Sarutobi compound, tea rippled as it touched the porcelain—once, then again, the pulse too erratic to be caused by Sasuke’s pour.

Hiruzen froze.

“…Is that an attack?” He questioned, chakra already coiling at his fingertips.

Sasuke didn’t answer right away. He turned slightly, gaze drifting toward the window.

The trees outside were still.

He waited.

“No.”

He set the pot down.

But his eyes remained fixed on the distance. 

“I would not have guessed Hyuga.”

Hiruzen blinked, once.

Then stared.

“…Hiro?” he said, stunned.

It couldn’t be anyone else.

Only one Hyuga bore that much power. 

But of all the shinobi Hiruzen had ever seen, Hiro Hyuga had always struck him as carved from the same stone as his own teacher—Tobirama himself. A man whose silence was control.

To feel his chakra like this—exposed—was unthinkable.

Something had cracked.

And whatever it was…

…it had to be severe.

.

In the Uchiha district, Kagami sat on the edge of a rooftop, arms behind his head, watching the sky.

His eyes bled red.

“Well now,” he said. “Didn’t think he had that in him.”

.

Within the Senju residence, Mito Uzumaki’s brush paused mid-character.

Hashirama turned his head.

“…That’s Hiro Hyuga,” he said, surprised.

Mito set the brush down.

“He’s angry.”

“I should—”

“No,” she said, standing. “Tobirama will go.”

Hashirama frowned. “I’m still Hokage.”

Mito raised a brow. “You are also coughing blood in your sleep.”

He sighed.

She smiled. “Let your brother handle this.”

.

The ink on the scroll had barely dried.

Tobirama sat in the Hokage’s office, a map of the borderlands lay half-unfurled before him, its edges curled and inked with fresh lines of movement and new intelligence. His eyes flicked over them.

And then he felt it.

A pulse of fury.

The paper beneath his hand trembled, ever so slightly.

He stilled.

Chakra pooled out from somewhere deep within the Hyuga estate. Controlled, barely.

But it wasn’t the strength that startled him.

It was the source.

Tobirama’s fingers curled slightly.

Hyuga Hiro.

Of all the ninjas in the village, that man had nothing if not restraint. Even when drenched in blood, Hiro never lost composure.

And now… this.

Tobirama’s eyes narrowed.

He didn’t stand.

He vanished.

. 

Tobirama arrived between one blink and the next.

His presence cut through the tension.

The hall dimmed.

Hiro had not moved.

The cracked floor beneath him still smoked at the edges.

Tobirama’s voice, when it came, was calm.

“Stand down.”

His gaze swept the room.

Then landed on Hiromasa.

“I see I came just in time.”

Hiromasa’s eyes narrowed—but he said nothing.

The storm outside continued.

But within the hall, silence fell again.

He crossed his arms. “So would anyone like to tell to enlighten me on why there is such a commotion in my village?”

Hiro’s jaw clenched. He did not speak. 

Hiromasa did.

“There has been no commotion, Lord Tobirama. Only consequence.” His voice carried no apology, only certainty. “The discipline of the Hyuga clan remains an internal matter.”

Tobirama said nothing. 

Hiromasa took it as permission to continue.

“There are two sets of doctrine we uphold,” he said, tone smooth. “One for the main family, who remain under full jurisdiction of Konoha law. And one for the branch, who are maintained by tradition. The former, as citizens, are protected from undue harm or punishment. The latter, by necessity, fall under older laws, dictated by duty.”

He looked at Hiro.

“There are limits. Killing is forbidden, yes. But discipline—pain, when necessary, is not.”

A beat.

Then another.

Tobirama’s eyes shifted.

To Hiro.

It was not hard to notice—the flicker at the edge of his sleeve. The way the smoke around his feet seemed to curl.

An indication, small and subtle, but dangerous.

Hiro’s breath had not changed. 

But the floor beneath his sandals cracked again, just slightly.

Tobirama was beside him before the pressure built.

A single hand, resting lightly on Hiro’s shoulder.

“Enough.”

The chakra folded back in on itself.

Hiro closed his eyes for a brief moment.

Then opened them again.

Tobirama looked toward the Grand Elder.

“We’ll discuss your ‘doctrine’ another day,” he said coldly. “But for now, I believe Hiro has a mission report to deliver.”

A faint shift of wind stirred the room as he stepped back.

“Ten minutes. My office.”

Hiro gave a short nod.

Tobirama vanished in the next breath, without a flash or a seal. Just gone.

The pressure in the room loosened.

But not entirely.

Hiro turned.

Hotaka did not move. His mouth was set in a tight line.

Hiro’s voice, when it came, was even.

“During the Warring States, when the Senju and Uchiha carved paths through every river and ridge of this land… most of the elders now sitting in this estate remained in safety. In comfort.”

He stepped forward.

Hotaka flinched.

“It was me who kept you safe,” Hiro said. “My power. My victories. My blood.”

Hotaka tried to straighten.

Hiro’s next words were quiet.

“You once told me you knew I would not go against the seal. That it was ‘never a question.’”

His eyes sharpened.

“You were right about one thing. I will not go against the seal.”

He leaned closer.

“I’ll go against you.”

Hotaka went pale.

“From now on,” Hiro continued, “you’ll personally oversee every patrol on our northern border. I know sentiment will not cloud your judgment. Isn’t that what you told me?”

His voice never rose. It didn’t need to.

Hotaka swallowed once.

He had not seen combat in decades.

Hiro turned.

Homoro shifted in place—his cane tapping against the stone.

“And you,” Hiro said. “Enjoy your lessons.”

He said nothing more.

And yet, no one in the room breathed.

Then he turned fully to the dais.

To the man who had once held him as an infant.

Hiromasa did not flinch.

But his silence was telling.

“I’ll deal with you later,” Hiro said.

It wasn’t a threat.

It was a certainty.

Then—

He crossed the hall to where Hina still sat on the mat, legs tucked beneath her, arms folded in her lap as if she didn’t know what else to do with them.

She looked up only once—and quickly away.

The mark was visible on her brow.

But her hands were trembling.

Hiro knelt slowly beside her.

Gently, with deliberate care, he helped her sit upright.

Then he took her hand in his.

The moment he did, she gripped him back.

Tightly.

Her fingers curled around his palm like she was afraid to let go. Her shoulders trembled.

Tears spilled freely now.

She didn’t try to wipe them away.

“Let’s go see your brother,” Hiro said quietly.

“We’re going home.”

No one spoke.

No one dared.

And as he rose with her beside him, the room parted.

Not out of respect.

But fear.

.

A/N: I know Hiroto’s thoughts weren’t shown much in this chapter; that was done on purpose. They will be touched on next chapter. 

Also, I know this story has been a bit depressing so far, but next chapter, or the chapter after the latest, it should start to take a way more positive turn and become more upbeat. 

The plan is to start the academy arc by then, after all. These chapters were just necessary to lay the groundwork for this era, because it takes place way before Naruto is born, and I haven’t read many fics that are done in this timeline, so there wasn’t much to take inspiration from lol. I just wanted you guys to be aware of the world, and more importantly, the current stance of the Hyuga clan.

Anyway, have a great rest of your day!