Seireitei Academy Central Arena
Around the arena, voices surged like a tidal wave.
The broad grounds meant for the graduates' exhibition now felt like the compressed eye of a storm.
Though the captains of the Thirteen Court Guard Squads did not release their reiatsu recklessly, their mere presence froze the air and made the very light of the arena thick and heavy.
Kenpachi Kiganjō's low grumbling still rang in their ears, and the captains' joint demand had shoved this once-routine graduation exam down a path no one could predict.
Isayama Yomi—the Rukongai girl who, six years ago, had shattered the Academy's reiatsu recorder with her monstrous power and then vanished into silence—now stood at the heart of the storm.
When Kyoraku Shunsui, in his usual flippant tone, announced a decision that almost overturned Academy rules—letting her choose any captain or Vice-Captain present as her new opponent—the entire arena fell into a brief, near-vacuum hush.
Every gaze—shock, envy, jealousy, or sheer curiosity—fixed on the black-haired girl in the standard shinigami uniform like countless invisible arrows.
Her eyes swept slowly, steadily across the captains' dais.
Captain Unohana Retsu sat upright, a smile as gentle as mercy on her lips, yet her deep eyes were like an ancient well without a bottom; when Yomi's glance brushed past, the still water seemed to ripple. In the hush where even breath was stifled, Yomi's voice rang out—soft, yet strangely drowning every wind and heartbeat.
"Captain Unohana," she said without hesitation, calm as stating a fact already carved in stone, "let's have a duel of swordsmanship."
"…"
A collective hiss of indrawn breath surged like a tide. The air froze for several heartbeats, then exploded into uproar.
"What did she say?! Swordsmanship? Against Captain Unohana?"
"She's insane! That's the Fourth Division Captain—the legendary Kaidō master!"
"Swordplay? Captain Unohana's blade… has anyone even seen it?"
"Is Isayama Yomi overconfident or just courting death? She one-shot an instructor and now challenges a captain?"
"…"
Even the captains' platform showed a faint ripple.
Soi Fon's brow lifted a fraction; Aizen's eyes behind his lenses glinted with unfathomable depth; Kyoraku Shunsui opened his mouth in exaggerated shock, words failing him.
The named party, Unohana Retsu, reacted most intriguingly of all.
Her eternally gentle smile never wavered; she merely tilted her head toward the girl and spoke, voice soft as a spring breeze yet piercing as though it saw everything:
"Oh? How interesting… You've heard of me?"
The question was anything but simple.
It asked not "Do you know me?" but "What legend have you heard that gives you the gall—no, the certainty—to challenge one of Soul Society's apex sword masters?"
Yomi's answer was stripped to the bone, stripped of awe, of fear, as though reciting a plain fact:
"Yeah."
That single "yeah" weighed a thousand catties.
No explanation, no provocation—just calm acknowledgment.
Such absolute calm was itself supreme confidence. She knew exactly whom she had chosen and what that choice meant.
Knowledge did not make her retreat; instead it ignited a lava-bright fire in eyes that had long lain dormant.
Her gaze—pure, keen, a freshly tempered blade—drove straight into Unohana's seemingly gentle, bottomless pupils.
Their eyes met.
No reiatsu clashed, no aura collided, yet it felt as if countless unseen swords crossed, tested, resonated, carving a vacuum of spirit that muted every surrounding shout.
The entire arena—thousand-strong audience, captains and all—became nothing but backdrop.
A faint, almost inaudible chuckle slipped from Unohana's lips.
Not mockery—more like an ancient relic sighing in pleasure at catching an intriguing new scent.
"Very well."
She finally spoke, still gentle, but beneath that gentleness an ancient, pure battle-intent stirred like a hibernating beast raising its majestic head.
She rose slowly, graceful as a butterfly unfolding its wings.
"However, I will not hold back."
The words were a warning, yet her serene face made them chillingly contradictory; that contradiction itself was terrifying. Then, with a physician's certainty:
"But rest assured… I will heal you afterwards."
Swish!
The instant her voice fell, the world twisted.
It wasn't Unohana releasing heaven-shattering reiatsu—merely her straightening to full height—but the air around her, around the entire captains' dais, no, the whole center of the arena, warped violently.
A visible, almost tangible ripple exploded outward.
Not reiatsu pressure—pure fighting spirit crystallized.
A primordial, boundless sword-intent that could cleave stars and split life from death awoke and crashed down.
Formless, yet far more direct and dreadful than any reiatsu shock.
It didn't target the body; it slashed straight into the soul's instinctive sense of "danger."
Students a shade weaker reeled with vertigo and nausea, as though that terrifying battle-lust had punched a hole clean through their souls.
"Ugh!"
"Gah!"
Stifled groans and sharp gasps rippled through the stands. Ordinary cadets near the edge of the arena turned deathly pale and instinctively stepped back.
Crimson light blazed in Kenpachi Kiganjō's eyes, almost spilling out; scorching breath hissed from his nostrils as the knotted muscles across his frame trembled, resisting the pure killing intent that set his blood roaring and every instinct shrieking.
Unohana Retsu was already standing at the center of the field, ten paces from Isayama Yomi, having arrived as silently as a shadow.
Her hands were still empty; her Zanpakuto remained sealed.
Real slaughter needs no grand declarations.
Even the referee's "Begin" felt redundant, lagging behind the moment.
Ten paces apart, their gazes crossed mid-air once more.
The faintest curve tugged at the corner of Yomi's mouth. In the next instant—
"Shh!"
"Boom!!!"
Two silhouettes shot forward like black lightning ripping the night sky, covering the ten paces in a heartbeat and smashing into each other.
No earth-shaking roar followed—only a dull, brief clang, like two solid metal spheres colliding at high speed. Then—
"Clang—!!"
A grating, ear-splitting ring of steel exploded, scattering dazzling reishi sparks that looked like molten metal.
At the instant of contact, Yomi's hand, rigid as a blade and wrapped in massive spiritual pressure, hooked in at a freakish angle and slammed straight into Unohana's raised forearm.
A layer of condensed, almost liquid-white spiritual pressure coated the outer side of Unohana's arm.
That was the eerie, lethal clash of blade-hand against pressure-shield.
No shikai, no brilliant Kido flashes, no after-images—only raw, refined body power and technique backed by vast reishi: white-edge combat, bare-handed swordplay.
"Sh-sh-sh-sh!!"
"Clang-clang! Bang-bang-bang!"
The moment they met, the two became twin black cyclones, tearing at each other in a blur of continuous motion.
Most students and even seated officers could only catch flickering shadows colliding, separating, colliding again.
Human outlines were impossible to track.
Only the top captains and Vice-Captains at the edge could follow every heart-stopping instant.
Isayama Yomi turned into a night-stalking wraith: swift, savage, cunning, lethal.
She focused her reiatsu to the utmost at her limbs—fingers, palms, fists, elbows, knees, feet—every point a razor.
Her lines of attack twisted wickedly, aiming at joints, vitals, pressure points, each strike carrying a feral, battle-honed instinct for the kill.
Her footwork wasn't long-range Shunpo but micro-evasions within a hair's breadth—fluid as water, venomous as a viper.
Her style bore the raw, unadorned violence of the Ga-rei world, born of bare survival.
Every blow held enough force to rip steel apart.
Yet her opponent was Unohana Retsu.
The first kenpachi, oldest of Seireitei's captains, now revealed a pinnacle of swordcraft that shattered every onlooker's expectations.
Against Yomi's tempest of close-range savagery, Unohana became drifting mist.
Her steps were ethereal; the slightest tilt of torso, waist, or knee carried her clear.
She never used both hands—only one arm, alive in its own right, parrying, guiding, deflecting, pushing.
Each motion appeared exactly where Yomi's strike had to travel.
The white shield of dense reiishi on her arm turned to an unbreakable wall, meeting Yomi's stone-shattering fists;
then to clinging water, subtly shifting the vector of that furious force;
then to supple sinew, coiling like a python to choke off the next line of attack.
There was no excess.
Not a sliver of waste—every finish became the perfect start for the next action.
It was flawless defense, and within it coiled the seed of a killing counter.
She stored power while defending, gathered momentum while evading, her flow natural as breathing, polished through ten thousand battles into absolute composure that saw the essence of every killing move.
Her "sword" had left form and tool behind, reaching the realm where no technique surpasses technique.
She had refined reiatsu control to its summit; that white glow cloaking her arm was the extension of her blade, tempered a thousand times.
One fighter: wild, erupting, a murderous edge out of the abyss.
The other: calm, ancient, a holy sword bearing the weight of timeless stars, defense hiding offense at perfection.
For a breathless moment, the field hung in terrifying equilibrium.