The Grand Hall, grown from the dense, living timber of Nawaki Senju's Wood Release, stood in the peaceful clearing a mile beyond the walls of Konohagakure. It had been five years since the leaders of the elemental nations had gathered within its walls to forge a unified world.
Today, the round wooden table was occupied by a slightly different assembly.
Time had shifted the leadership of the hidden villages. At the head of the table sat Nanami Kento, concluding his five-year term as the Supreme Commander of the Allied Shinobi Vanguard.
To his right sat Pakura, the newly appointed Kazekage of Sunagakure, her posture reflecting the hard-earned prosperity of a desert village that had finally found water and power.
Beside her was Kitsuchi, the sturdy, grounded Tsuchikage of Iwagakure, having taken his father's hat to focus on stability over stubborn pride.
The Fourth Raikage, 'A', and the Third Mizukage remained in their respective seats, their demeanor noticeably more cooperative than they had been half a decade prior.
Nanami Kento looked around the table. He wore a simple, dark, high-collared shirt.
"I welcome you all to Konoha," Nanami began, his voice calm and carrying a steady, grounded authority. "And I offer my gratitude. Over the past five years, you have maintained the stability of this continent. You contributed your forces to the Vanguard. You suppressed rogue elements. You chose the survival of the whole over the pride of the individual."
The Kages offered respectful, shallow nods.
"My term as Supreme Commander ends today," Nanami continued. "But before we conduct the election for my successor, there is a matter of security that requires your attention."
"Five years ago, I warned you that the celestial parasites would eventually return to harvest this world. We have spent that time preparing. Our research divisions, spearheaded by Orochimaru and Amado, have achieved a definitive breakthrough in biological integration."
The Kages leaned forward, their tactical instincts sharpening.
"We have successfully mapped and isolated the cellular structure of Shibai Otsutsuki, the ancient entity whose remains were recovered from the hidden dimension," Nanami stated. "We have developed a procedure to safely implant these cells into the bodies of living shinobi. It bridges the gap between mortal chakra and divine energy. It grants the host the physiological foundation required to fight an Otsutsuki in direct combat without being instantly eradicated."
Kitsuchi frowned deeply, his heavy arms crossing over his chest. "You are altering the fundamental biology of your soldiers? That carries an immense risk, Nanami-dono."
"The risk is absolute," Nanami agreed, offering no illusions. "The Otsutsuki cells are highly aggressive. They seek to dominate the host. If the shinobi undergoing the implantation lacks an ironclad, unbreakable willpower, the cells will overwhelm their nervous system. The host will lose their mind, descending into violent madness before their body completely breaks down. It is a fatal procedure for the weak-willed."
Pakura's eyes widened slightly. "Have there been human trials?"
"One," Nanami confirmed. "A prototype integration to ensure the procedure was viable. Minato Namikaze volunteered. He successfully assimilated the Shibai cells. Furthermore, I transferred a purified, data-only copy of the Karma seal onto him. The combination has effectively elevated him to the physical and spiritual equivalent of an Otsutsuki. He awakened his own unique dojutsu and a distinct Shinjutsu."
The scale of the revelation settled heavily over the room. To artificially forge a shinobi possessing the power of the ancient gods changed the entire defensive architecture of the world.
"This procedure is not exclusive to the Hidden Leaf," Nanami declared, looking at each Kage in turn. "If you possess shinobi in your ranks who have proven their mental fortitude—individuals whose willpower is utterly unbreakable—you may send them to Konoha. We will conduct the implantation. But I warn you: do not send an operative simply because you favor them or because they belong to a noble clan. If their spirit fractures, they will die on the operating table."
The Raikage, 'A', nodded slowly, a deep rumble in his chest. "A crucible of the mind. We will identify our strongest and re-test them rigorously before sending anyone to your laboratories. Kumogakure accepts the offer."
The remaining Kages voiced their agreement. They understood that standard ninjutsu would be useless when the sky finally tore open; they needed warriors forged from the same material as the enemy.
"With that matter settled," Nanami said, "We move to the transition of command. The Vanguard requires a new leader."
Small slips of heavy parchment were distributed. The voting was silent and swift. The ballots were gathered and tallied by a neutral administrative aide.
Nanami looked at the final tally. He turned his gaze to the massive leader of the Cloud.
"The mandate is decided," Nanami announced. "The Fourth Raikage has been selected as the new Supreme Commander of the Allied Shinobi Vanguard."
'A' stood up from his heavy wooden chair. Five years prior, he had been a furious, vengeful youth ready to burn the world to avenge his father. Today, he stood as a hardened, pragmatic leader who understood the necessity of the alliance.
"I accept the command," the Raikage stated, his deep voice filling the hall. "I will ensure the patrols remain vigilant and the roads remain clear. The strength of the Cloud will serve the shield of the continent."
Nanami offered a respectful bow of his head. "The Vanguard is in capable hands. The summit is concluded."
Three days later, the atmosphere of diplomacy was entirely replaced by the sharp, electric friction of absolute combat.
Zip.
Nanami Kento materialized in a realm that defied all logical geometry. The sky was an infinite, fractal expanse of shifting, mirrored glass. The ground beneath his boots was composed of interlocking, floating plains of silver and blue energy that tilted and rotated at impossible angles. Gravity possessed no fixed direction here; it was entirely subjective, anchored solely by the will of the dimension's master.
Standing fifty yards away on a vertical plane of glass was Minato Namikaze.
The blonde prodigy had matured into a lethal, perfectly refined warrior. He wore his standard combat attire, but his physical presence had fundamentally altered. A dark, geometric Karma seal marked the left side of his face. His eyes were no longer their usual bright blue. The sclera had darkened, and the irises glowed with a pale, crystalline light, resembling a fractured star.
This was the Seikugan—the Star-Sky Eye, awakened through the synthesis of the Shibai cells and the Karma.
"The structural integrity of this dimension is holding well, Minato," Nanami noted, his voice echoing strangely across the mirrored plains. "Your mastery over the spatial boundaries has stabilized."
"Thank you, Sensei," Minato replied politely, though his crystalline eyes were tracking every microscopic shift in the air. "The Shinjutsu is drawing purely on the ambient energy of the dimension. I am ready to test the upper limits of the spatial folding."
"Proceed."
Nanami closed his eyes, taking a single, slow breath. He emptied his vessel entirely, severing his conscious mind from his physical form.
When he opened his eyes, the irises were pools of liquid, unblinking silver. The silent, shimmering heat-haze of the Silver Void coated his skin.
Minato did not hesitate. He engaged his Shinjutsu: Ame-no-Kagami—the Floating Bridge of Heaven.
Minato did not run. He simply looked at the fifty yards of space separating them and willed the distance to be zero.
The space between them physically folded inward, collapsing like a crushed piece of paper. Minato's fist appeared directly in front of Nanami's face, carrying the full force of a high-speed dash without ever traversing the distance.
Nanami's body reacted instantly to the spatial anomaly. He did not block; his head tilted slightly to the right, allowing the fist to pass harmlessly by his ear. As the space unfolded and snapped back into its proper geometry, Nanami's left hand shot upward, striking the underside of Minato's elbow to disrupt the young man's balance.
Minato anticipated the parry. He utilized the Seikugan to warp the gravity around his own body, instantly shifting his "down" to be the vertical plane of glass to his left. He fell sideways, avoiding the elbow strike, and kicked off the glass with a burst of immense, Karma-enhanced speed.
He threw three specialized kunai in a wide arc.
As the blades flew, Minato engaged his Shinjutsu again. He bent the trajectories of the kunai, forcing them to curve at impossible, right-angle turns in mid-air. The three blades converged on Nanami's blind spots simultaneously from the back, the left, and the right.
Nanami's silver eyes remained entirely blank. The heat-haze of his aura flared slightly.
His body moved with a terrifying, fluid perfection. He stepped backward, avoiding the first blade by a millimeter. He twisted his torso, letting the second blade glide past his chest. He reached out with two fingers coated in the silver light and effortlessly pinched the third kunai out of the air by the very tip of the blade, stopping its lethal momentum completely.
He casually tossed the captured kunai back at Minato.
Minato did not dodge. He folded the space immediately in front of his chest. The kunai entered the fold and seamlessly exited a spatial tear directly behind Nanami's back, retaining its full velocity.
Nanami ducked smoothly, allowing his own redirected weapon to sail over his head.
"Your integration of the Flying Thunder God into the Shinjutsu is flawless," Nanami's voice spoke, detached and perfectly calm, entirely disconnected from the blurring speed of his physical movements.
Minato landed on a shifting plane of blue energy, his Karma seal flaring brighter. "The physical speed of the Silver Void is impossible to trap in standard geometry. I have to lock the timeline."
Minato raised his hands. He did not weave signs. He commanded the absolute laws of his dimension.
He initiated a localized temporal loop. He threw a heavy, straight punch at Nanami's chest. Nanami stepped aside, dodging the blow smoothly.
But Minato's Shinjutsu trapped the exact motion of that missed punch in the fabric of the dimension. A fraction of a second later, an ethereal echo of Minato's arm repeated the exact same strike from the exact same angle. Then a third echo. Then a fourth.
Minato continued his assault, launching kicks, sweeps, and palm strikes. Every single movement he made spawned a cascading series of temporal echoes, creating a suffocating, overlapping storm of physical violence. It was an omnipresent attack—striking from the past, the present, and the immediate future simultaneously.
Nanami was engulfed in a hurricane of fists and blades.
His defense did not falter. The Silver Void operated on pure, immediate instinct. It did not attempt to calculate the temporal anomalies; it simply reacted to the physical displacement of the air caused by the incoming mass.
Nanami became a phantom. He weaved through the overlapping timeline of strikes, his body bending at impossible angles. He parried a strike from the present, sidestepped an echo from the past, and leaned away from a strike manifesting from the future. His movements were a mesmerizing, continuous flow of absolute martial perfection, devoid of all tension and hesitation.
Realizing the localized strikes were insufficient, Minato pushed his Otsutsuki-level chakra to the absolute limit.
He folded the entire dimension.
The mirrored sky and the floating plains of energy collapsed inward. Minato turned the entire pocket dimension into a perfectly sealed, contracting cube. The walls of space itself closed in on Nanami from all six directions, intended to crush the silver shinobi into nothingness through absolute spatial compression.
There was nowhere to dodge. There was no space to weave through.
Nanami's silver eyes locked onto the contracting wall of space in front of him.
He did not deploy a ninjutsu. He did not open his chakra valves. He simply gathered the absolute, unyielding density of his physical strength into his right hand.
He drew his fist back to his hip. He planted his boots into the center of the collapsing void.
He punched the fabric of the dimension.
The strike possessed no explosive aura, but the weight of the blow struck the spatial boundary with the force of a detonating star.
The zero-inch impact shattered the Shinjutsu. The contracting cube of space cracked like a fragile pane of glass. A web of brilliant, blinding fractures spread across the dimension, and with a deafening, resounding CRACK, the spatial fold violently shattered apart, returning the dimension to its sprawling, chaotic geometry.
The backlash of the broken Shinjutsu sent Minato staggering backward. His breath caught in his throat, his crystalline eyes wide with sheer disbelief as he watched the blonde man casually lower his fist amidst the raining shards of broken space.
Minato dropped to one knee, the dark markings of the Karma seal slowly receding from his face. His breathing was heavy, the sheer stamina required to manipulate space and time on a divine scale leaving his coils completely drained.
"I yielded the structural advantage," Minato panted, a wry, exhausted smile touching his lips. "I attempted to compress a mountain, and it broke the vise."
The silver light clinging to Nanami's skin slowly faded. The blank, unfeeling silver pools of his eyes returned to their sharp, analytical sea-green hue. He rolled his shoulders, a soft, dry exhale escaping his lips as the conscious control of his body reasserted itself.
"A solid strategy, Minato," Nanami noted, walking smoothly across the floating pane of glass to stand before his student. "Your spatial folding is absolute against standard combatants. But pure, concentrated physical density will always shatter an overly complex trap. You relied too heavily on the environment and neglected the physical follow-through."
Nanami offered a hand.
Minato took it, allowing his sensei to pull him to his feet. Minato deactivated the Seikugan, his bright blue eyes returning. The shifting, fractal dimension around them stabilized, turning into a flat, quiet expanse of reflective glass that mirrored the dark sky above.
"I will refine the physical integration," Minato promised, wiping a bead of sweat from his temple.
Nanami nodded. He sat down gracefully on the mirrored floor, crossing his legs. He gestured for Minato to do the same.
"Your assimilation of the Shibai cells is holding perfectly," Nanami assessed, taking a small canteen of water from his pouch. "The physical toll is negligible. You have adapted to the Otsutsuki baseline."
"The mental stabilization techniques you drilled into us were the key," Minato admitted, sitting opposite his master. "When the cells initiated the overwrite, it felt as though an ancient will was attempting to claw its way into my mind. I merely isolated the hostile intent and smothered it, exactly as you did with the initial Karma."
Nanami took a drink. "We have proven the method is viable. Now, we expand the roster. What is the status of the volunteers?"
Minato pulled a small, securely sealed ledger from his flak jacket.
"The list of candidates who have passed the initial psychological and physical evaluations is short, but formidable," Minato read from the scroll. "Kakashi Hatake, Might Guy, Akira Nanami, Obito Uchiha, Yahiko, and Asuma Sarutobi represent the younger generation. From the veterans: Nawaki Senju, Lady Tsunade, and, Master Jiraiya."
"The new generation will undergo the procedure first," Nanami decided smoothly.
Minato looked up, slightly surprised. "The younger ones? Sensei, the risk of mental fracture is immense. Would it not be wiser to begin with the veterans who possess established, hardened willpower?"
"The veterans possess ingrained habits," Nanami corrected. "Their chakra pathways have been set for decades. Introducing a divine genetic rewrite to a fully matured system causes severe friction. The younger generation's coils are still malleable. They will adapt to the Otsutsuki cells much faster, and their bodies will naturally expand to accommodate the power rather than fighting it."
Nanami placed the canteen on the glass floor.
"Furthermore, Kakashi, Guy, and Akira possess a stubbornness that rivals the bedrock. They will not lose their minds. They are too focused on their own rivalries to allow an alien parasite to dictate their actions."
Minato smiled faintly, recognizing the truth in the assessment. "I will begin the scheduling for their clinical trials with Orochimaru and Amado next week."
"Good."
The quiet, reflective silence of the dimension settled over them. The endless, mirrored sky above offered a sense of profound isolation from the bustling, political reality of Konohagakure.
Nanami looked at the young man sitting across from him. He saw the fierce intelligence, the unyielding loyalty, and the sheer, terrifying power that now rested within Minato's grasp.
"Minato," Nanami spoke, his voice dropping into a quiet, serious register.
"Yes, Sensei?"
"You are going to be the next Hokage."
Minato froze. The calm, respectful demeanor cracked instantly. His blue eyes widened in absolute shock, and he nearly dropped the ledger in his hands.
"I..." Minato stammered, the words catching in his throat. "I beg your pardon, Sensei? The Fifth Hokage? Why so suddenly? You are in your absolute prime. The village is thriving under your administration. The peace is secure."
"The peace is secure," Nanami agreed, his posture remaining perfectly relaxed. "But the political architecture of the continent is fragile. And my presence at the table is creating a structural hazard."
Minato frowned, struggling to comprehend the logic. "A hazard? You are the deterrent that keeps the Great Nations in check."
"I am the Supreme Commander," Nanami corrected. "I sit at the Kage summits, and I watch the Raikage, the Tsuchikage, and the Kazekage. They do not negotiate. They do not debate policy. They agree with everything I say, and they do it with their hands trembling under the table."
Nanami leaned slightly forward, his eyes holding a cold, pragmatic truth.
"They are terrified of me, Minato. They know I possess the power to erase their villages in an afternoon. While fear is an excellent tool to stop a war, it is a terrible foundation for long-term governance. They are walking on thin ice, constantly afraid that a single misstep will provoke my wrath. If they operate in a perpetual state of terror, they will eventually do something incredibly stupid out of sheer desperation."
Nanami sighed, a soft, weary sound.
"It is better that I leave the table before that fear festers into rebellion. The alliance needs to function naturally, driven by mutual benefit and political diplomacy, not by the looming threat of the Golden Sage executing them in their sleep."
Minato absorbed the geopolitical assessment. The logic was, as always, flawless. Nanami was removing himself as the ultimate threat to allow the world to learn how to govern itself properly.
"But why me, Sensei?" Minato asked, the weight of the proposed mantle pressing down on him. "Why not Nawaki? He possesses the Senju lineage. He carries the Will of Fire openly. He has always dreamed of the hat."
Nanami waved a hand dismissively. "Do not worry about Nawaki. He has grown out of the childhood fantasy of the desk. He prefers the field. Furthermore, the village dynamics require a shift."
Nanami looked directly into Minato's eyes.
"Hashirama. Tobirama. Tsunade's grandfather and granduncle. Then Kagami, a direct disciple. Then myself, married into the main line. There are already three Hokages inherently connected to the Senju clan. If we continuously pass the hat within the same closed circle, the village will stagnate. It requires fresh blood. It requires an outsider who earned the seat entirely through merit."
Nanami picked up his canteen, twisting the cap back on.
"You have a good head on your shoulders, Minato. You are brilliant, you are compassionate, and you understand the meaning of this peace. Is that not enough?"
Minato stared at the glass floor. He felt the heavy, staggering reality of the trust being placed in him. He was a civilian-born prodigy, elevated to the highest echelon of power by the very man who had reshaped the world.
"And the Otsutsuki cells?" Minato asked quietly, looking back up. "The Karma?"
"A necessary prerequisite," Nanami smiled, a faint, proud expression touching his features. "I made you the first to undergo the procedure because the Hokage must be the strongest shield. I needed you to reach the power level of the Six Paths behind me, so that when I step into the shadows, the village remains entirely untouchable."
Nanami stood up, stretching his legs.
"Prepare yourself, Minato. The transition will begin when the new generation completes their biological integration. You will wear the hat, and I will finally get to spend my afternoons reading books that do not involve agricultural tax reform."
Minato Namikaze stood up, bowing deeply, his heart hammering with a mixture of profound honor and terrifying responsibility.
"I will not fail the village, Lord Fourth," Minato vowed.
"You will not," Nanami agreed. "Now, drop the dimension. Tsunade is making stew tonight, and I refuse to be late."