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Vespertine

Summary:

Megumi Fushiguro is starving for escape.

Fleeing a past that refuses to stay buried, he wanders into a forest that do not offer mercy. Every step deeper strips him closer to the truth of what he is, and what he might become, if he survives long enough to decide.

Chapter 1: The Carrion Woods

Notes:

I’ve been carrying this idea around in my notes for a couple of years, and something finally clicked and now I'm excited to finally put it into words. This is meant to be a long work, and I’ll update whenever life allows.

(See the end of the chapter for more notes.)

Chapter Text

The cold was a thief.

It had started with his fingers — first a sting, then a creeping numbness that felt wrong in a body that shouldn’t feel cold at all. Vampires weren’t supposed to freeze. Yet here he was, trudging through a forest that looked like it had been drained of color and warmth centuries ago, and the bastard chill had crawled straight into his bones.

Next, it stole the sound. The woods went dead silent until the only thing Megumi could hear was the crunch of frost-bitten leaves under his boots — each step too loud, too alive in a place that felt like the world’s corpse. Then it went for his sense of direction. Every gnarled, pale tree looked like its twin, twisted limbs reaching out like skeletal arms, mocking him.

He didn’t know how long he’d been walking. Hours, maybe days — time didn’t mean much when hunger hollowed you out from the inside. His stomach was an echoing pit, his veins humming with need. He’d only been turned a few decades ago — still new enough that hunger could shred his control, strip him of reason, turn him feral. The ache behind his fangs pulsed with every heartbeat he didn’t have.

He was starving. Properly, hopelessly starving. The kind of hunger that made the shadows twitch in the corners of his eyes and painted phantom heartbeats under his tongue. It was the kind of hunger that had made him run from Kenjaku’s court — away from the leash. Freedom had sounded noble at the time, but now it was just another word for dying alone in the cold.

His plan had been simple enough: cross the Blackwood, reach the port city of Kurosawa, then slip aboard some ship bound for the Free Marches — lands where Kenjaku’s name didn’t rot the air and Gojo Satoru’s empire didn’t stretch its holy light.

But this place wasn’t the Blackwood.

He noticed it when the air got heavy, thick as wet cloth, and the temperature plunged so hard even his undead nerves screamed. The ground turned to stone beneath his boots, and a rancid sweetness tainted the air — roses and rot. He’d tried to turn back, instincts finally kicking in, but a rolling wave of fog swallowed the trail in seconds.

Now the world was nothing but grey. A solid wall of mist that coiled around trees like breath made flesh. He couldn’t see his hand in front of his face. When he lifted it, the fog slid between his fingers, cold and alive.

“Shit,” he muttered, voice barely a ripple in the suffocating quiet. The word came out as a pale puff that vanished too fast.

Standing still felt like surrender. So he pushed forward.

The trees changed first — their bark slick and black, their limbs twisted into shapes that made his stomach knot. Then came the smell. Decay. Old, dry, ancient. His boots scuffed against something hard, and when he looked down, the ground wasn’t just dirt anymore — it was bone.

Corpses littered the path.

Not fresh. Not even recently dead. Just remnants — armor flaking into rust, flesh long mummified, mouths frozen open in screams that would never end. They weren’t sprawled like fallen soldiers; they were arranged. Propped, displayed. One knelt with a sword hilt clutched in skeletal fingers, another had hands clasped like a prayer. A third’s skull was tilted back in silent agony.

It wasn’t a graveyard. It was a goddamn art gallery.

And that’s when the real cold hit. Not weather, not fear, but power.

Necromancy.

Megumi’s hunger shrank to a pinpoint behind his ribs, replaced by a surge of dread so sharp it cut through the haze. He needed to get out. Right now.

He ran. Faster than any mortal could see, faster than he should’ve been able to in this fog — but the mist moved with him. The trees repeated, the corpses shifted, and he swore their hollow eyes followed him as he passed. The forest was a loop, a snare built from death and memory.

Then his foot caught — on a root, a rib, didn’t matter — and he hit the frozen earth hard enough to see stars that shouldn’t exist for him anymore. Pain flared bright and clean, a slap of clarity.

The fog opened like a wound. A clearing stretched ahead, round and bare as if something enormous had scooped it clean of life. In the center stood a stone well, so ancient it looked grown rather than built — its surface slick with moss, its mouth yawning black and endless. The air here was thicker, humming with old power.

And sitting on the rim of that well was a man.

No, not a man. Something wearing a man’s shape.

He was massive, built like a weapon meant to be worshipped, not wielded. His skin was pale, the kind of pallor that didn’t come from lack of sunlight but from the absence of life itself. Strange dark markings crawled over his face and neck, curling like smoke and scars. His robes were simple, black as spilled ink, hanging loose enough to suggest he didn’t need armor to feel invincible.

The world seemed to shrink around him.

Megumi froze mid-step, every instinct screaming predator. The wrong kind. The kind that didn’t hunt for hunger — but for sport.

Those blood-red eyes lifted, locking onto him. The gaze alone felt like a hand around his throat — and then the man smiled. His teeth caught the faint, dead light, too sharp, too precise. Megumi thought fleetingly that they were even sharper than his own fangs, and the thought left a bitter taste in his mouth.

“Well, well.” The voice slid through the air like oil, deep and smooth, carrying the weight of something old enough to have forgotten mercy. “What little bat has stumbled into my forest?”

The sound of it scraped across Megumi’s nerves.

Megumi forced himself upright. His limbs felt heavy, as though the fog itself were made of lead and clung to him with invisible hands. Every instinct screamed to run, to vanish into the dark, but behind him the mist had already thickened into an impenetrable wall.

“I’m just passing through,” he said, his voice taut, thin with the effort of control. “I have no quarrel with you.”

The stranger laughed. Harsh, jagged. It didn’t sound amused — it sounded hungry. “Passing through? No one passes through the Carrion Woods. They come here to die.” He paused, eyes glinting with cruel humor. “Or after they’ve already died. You’re a rare guest — mostly alive.”

Megumi’s jaw tightened.

The man tilted his head, studying him with unsettling interest. “Ah. A child of the night. And starving, by the look of you. Did your sire not teach you how to hunt?”

The mention of his sire hit like a strike to the gut. The name Kenjaku hovered unspoken, heavy in the air. Megumi felt a wave of heat rise in him — anger, humiliation, defiance — anything to push back against the fear that threatened to take root.

“I’m no one’s fucking child.”

The necromancer’s grin widened. “Oh, you’ve got teeth after all. How delightful, a fledgling on the run, then,” he mused softly. “I see it in you — that hunger that’s more than thirst. The ache for freedom.” He paused, his eyes gleaming with dark amusement. “You don’t even know whose land you’ve walked into, do you? I am Sukuna.”

The name reverberated through the clearing like an ancient echo, carrying a weight that made the fog stir. Megumi didn’t recognize it, but power didn’t need translation. It rolled off Sukuna in waves.

“Let me go,” Megumi demanded, fists clenching tight enough that his nails cut his palms. “I’ll walk out on my own.”

Sukuna ignored the words, circling him with lazy precision. “You reek of fear,” he said almost gently, “and pride. An amusing combination. You see my work,”—he gestured lazily toward the corpses half-buried in the frost, their empty sockets glinting with the faint sheen of the mist—, “and you think it monstrous. You, a blood-drinker, judging me.”

“I don’t feed on the unwilling,” Megumi spat before he could stop himself.

Sukuna’s laugh was quieter this time — amused, dangerous. “A noble lie. Or a convenient one.” He stopped in front of Megumi, close enough for the stench of grave-soil and something older to hit him. “Power isn’t about consent. It’s about taking. You want freedom? You seize it. You carve it out of flesh and bone if you have to.”

He leaned in. “You carry power. It’s not just the bite that runs in you. Your sire chose you because you were promising — because he saw what you could become.”

“I told you,” Megumi ground out, every word trembling with restrained fury, “I have no sire.”

Sukuna’s hand shot out before Megumi could even process the movement. His fingers caught Megumi’s chin, forcing his head upward. The grip was cold, like stone, and unbreakable.

“You can lie to yourself,” Sukuna murmured, “but not to me.” His voice softened almost to a whisper. “You think freedom is distance. That if you run far enough, you can outpace what made you. But you can’t. Freedom is taken, not given. It’s carved from the world with your own hands.”

He released him abruptly, the movement casual, dismissive. Megumi stumbled back a half-step, his jaw burning where those fingers had touched him.

Sukuna turned away. “Your king — Gojo Satoru — would cage this world in light if he could — but all light does is cast longer shadows.”

Megumi wiped his mouth with the back of his hand, glaring. “I don’t care about that,” he said. “I just want to be away from it all.”

That earned a soft, humorless laugh. “You’re an amusing spark, little vampire,” Sukuna said, not turning. “Darkness wearing a moral leash. I wonder how long it will last before it strangles you.”

Megumi’s voice was low now, careful. “Are you going to…control me?”

That made Sukuna pause. He turned, and this time, the smile he gave was sharp, feral. “To my great regret,” he said, his tone mockingly polite, “I can only command the dead when they are unoccupied. You still happen to be home.”

The humor in his voice was terrible in its ease. He turned his back on Megumi again, and that gesture — so absolute, so sure — was more terrifying than any threat. “The fog will not part for you,” he said as he began to walk away, each step disappearing into the mist. “The dead will not let you pass. You are my guest, little vampire. For now.”

The fog began to reclaim him, his silhouette dissolving into it like ink in water. His final words came drifting back through the gloom, soft and certain.

“When your hunger breaks your noble restraint… you’ll learn that the dead still have a little blood left in them. Cold. Foul. But it will keep you alive.”

Then, Sukuna was gone.

The silence that followed was absolute. Megumi stood there, trembling — not from the cold, but from the raw fury thrumming beneath his skin. He hated that man. Hated his arrogance, his confidence, the calm way he had looked straight through him.

He hated that he wasn’t entirely sure the bastard was wrong.

Long after Sukuna’s silhouette had vanished into the fog, his words still clung to the air like frost. Megumi stood there until he couldn’t feel his hands, until anger dulled into exhaustion and the fury inside him froze over. He told himself he wouldn’t break. He told himself he could endure.

But the fog didn’t care what he told himself.

Time dissolved inside the Carrion Woods.

There was no sunrise or sunset, only an endless grey that pressed down like a shroud. The fog was eternal, the cold constant — an omnipresent ache that gnawed at the edges of sensation until even pain felt distant, abstract. Megumi no longer knew if he’d been wandering for hours or days. His body, tireless and unbreathing, did not mark the passing of time like a human’s would. Yet every moment stretched into an eternity of suffering.

The hunger had become something monstrous. It wasn’t a whisper now, but a scream — a twisting, physical agony that radiated outward from the hollow behind his ribs. It clawed at him, turned his limbs to lead, made the world around him blur and pulse with strange, static light. Sometimes the trees shimmered, like ghosts caught between states of being. Sometimes he could swear he heard heartbeats — phantom ones, deep beneath the frozen soil.

His hunger was beginning to hallucinate for him.

At first, he had resisted through motion. He had walked until the muscles in his legs spasmed and locked, until his feet burned and ached. He’d run too, but every path led back to the same cursed place: the clearing, the stone well, and the silent audience of the dead.

He had shouted, screamed until his throat tore. The fog devoured every sound, swallowing his rage and spitting it back as silence. He had tried to climb, to flee upward into the skeletal trees, but the branches had cracked like brittle bones, and the mist had thickened above him, pressing down like a ceiling of clouded glass.

There was no way out.

And somewhere in that shifting grey, Sukuna was watching.

Megumi could feel him. The subtle change in air pressure when something vast moved nearby. The faint hum that trembled through the ground, a vibration that was neither music nor chant.

The corpses never moved, but they were no longer inert. The silence between them seemed to thrum with potential, like a note held too long on the verge of breaking. Their armor, dull and crumbling, gleamed faintly under the grey light. He avoided looking at them for too long. He couldn’t shake the feeling that if he stared, they might look back.

But eventually, hunger made him reckless.

One body drew his attention again and again — a knight slumped against a tree, the metal of its armor eaten away by rust. Its helmet had fallen forward at an odd angle, half-revealing a leathery, sunken face beneath, its lips peeled back in a grotesque snarl. The stench of decay was faint now, so old it had turned sweet — roses drowned in iron. But beneath that sweetness was something else.

Blood.

Ancient, clotted, thick as pitch. He could smell it, faint but real, lingering around the deep crack in the knight’s chestplate.

His fangs ached. A slow, pulsing throb built behind them, and his mouth flooded with saliva — a reflex so humiliating he almost laughed from sheer shame. He could taste it in his imagination already: iron and rot, ashes and filth. Cold and foul. Sukuna’s words whispered in the back of his skull like prophecy.

He turned away sharply, pressing the heel of his hand to his eyes.

“I won’t,” he whispered into the stillness. His voice sounded thin, fragile — the voice of a dying man, not a monster. “I’m not an animal.”

But he was lying, and he knew it.

He was an animal — a predator starving itself to death out of pride.

Pride was a luxury for the well-fed.

The next hunger pang hit him like a blade through his gut. His body folded around it involuntarily, his hands digging into the frozen ground. He dry-heaved, nothing coming up but air and pain. His vision flickered between black and grey and something shimmering, like heat haze on ice.

His body was consuming itself now. Vampiric flesh could survive much, but even immortality had limits. The longer he starved, the weaker he became, until all that remained was instinct. He knew what came next — torpor. The death-like sleep of the undead. A long, empty fall into darkness that sometimes lasted centuries.

And sometimes ended with madness.

He stared down at his trembling hands. The tips of his fingers had gone pale blue. He didn’t even know if it was the cold or his blood turning inward. The silence pressed in, thicker than before, and somewhere behind him, something scraped faintly against the frost.

He froze.

It came again — slow, dragging, deliberate.

He turned.

The knight’s corpse had moved.

The corpse’s movement was subtle at first — just the faint scrape of metal on frost. Then, with an audible creak, its gauntleted hand shifted forward, dragging through the frozen dirt.

Megumi took a step back. The motion felt painfully slow, as though the air itself resisted him.

The knight’s head tilted upward with brittle cracks, the metal of its helm groaning against its own decay. Through the jagged slit of the visor, two black hollows stared back. They weren’t empty — not truly. Something in that darkness shimmered faintly, like the reflection of distant firelight on water.

Then the corpse raised its other arm. The movement was stiff — each joint straining against centuries of stillness. The gauntlet lifted, the rusted fingers extending until they pointed directly at the dark stain across its chestplate — the mark of the wound that had killed it.

An invitation.

A taunt.

Go on.

Megumi’s body betrayed him. His throat tightened; his breath caught in a shudder. His hunger recognized the offer before his mind could reject it. Every nerve screamed yes, but the part of him that still remembered what it meant to be human screamed no.

He stumbled backward another step. “Stop it,” he hissed. His voice broke in the silence. “I said stop!”

The corpse didn’t stop. Its finger stayed fixed on that dark, ancient wound. The smell reached him — faint, bitter, metallic — and something deep inside his skull twitched with desire. His gums ached. The fangs he had fought to keep retracted for days now slid forward, unbidden. The sound they made — that soft click of bone — was the sound of surrender.

“Cold and foul,” he muttered, echoing Sukuna’s voice like a curse. His hunger twisted in response, mocking him.

A rush of fury broke through the nausea, fierce and pure. He would not be reduced to this. He would not crawl. He would not become Sukuna’s amusement. His hands curled into fists, nails biting into his palms, sharp enough to draw a thin trickle of blood. The sight of it — dark and sluggish — should have disgusted him, but his hunger snarled at the scent like a chained beast.

“Show yourself!” he roared into the fog. His voice cracked, raw and desperate. “Face me instead of hiding behind the curtains!”

The mist in front of him began to move, to form. The fog gathered in on itself, condensing into a dark, humanoid silhouette.

Sukuna stepped out of the gloom as though he had always been standing there, the world merely choosing now to reveal him. His arms were crossed lazily over his chest, his expression unreadable.

“Hiding?” Sukuna’s voice was smooth, too calm, a current of amusement threading through it. “I’m not hiding, little vampire.”

He began to walk forward, each step unhurried but absolute. “This is a lesson. Here, your will is a fragile thing, thin and brittle as ice. I’m merely showing you how easily it breaks. You think I want you to feed from my collection?” he asked lightly, gesturing toward the still-frozen knight. “Please. I don’t waste good material.” His voice softened, almost contemplative. “No… I am only curious. I’ve always been fascinated by the moment the soul fractures. The instant when conviction turns to hunger, and hunger wins.”

He paused, his gaze flicking over Megumi like a blade. “That’s where the truth hides.”

He took another step closer, and the air grew heavy — not metaphorically, but literally. Megumi felt it settle on his shoulders, pushing down until his legs trembled under the invisible weight.

“You cling so tightly to this pathetic illusion of restraint,” Sukuna continued, his tone still conversational. “As though it makes you more than what you are. You think yourself better than the beast you feed. But all that righteousness does is make your fall more dramatic when it finally comes.”

Sukuna leaned in slightly, his red eyes catching the dim light like molten metal. “Your king, Gojo Satoru, does the same. He builds walls and rules and order, pretending the darkness can be contained. But the world doesn’t bend to order. It devours it. My reality,” he murmured, his voice dropping low, “is truth.”

Megumi turned, trembling with exhaustion and rage. “Your reality is a disease,” he hissed.

Sukuna’s eyes flared — not with anger, but amusement, as though Megumi had said something charmingly naïve. “My reality,” he said softly, “is power.

With a flick of his hand, the knight’s body convulsed. The gesture was effortless — a twitch of a finger — but the effect was immediate. The corpse shuddered violently, its head snapping back as though struck, then went limp, collapsing in on itself with a hollow clatter. The arm fell uselessly to the ground, the invitation rescinded.

“The offer is withdrawn,” Sukuna said, that cruel smile returning. “Your pride has cost you a meal. Let’s see how long self-righteousness can feed you.”

He turned as though to leave, the fog already beginning to embrace him again. Then, halfway into the mist, he paused and glanced back over his shoulder.

“Although,” he added, his tone thoughtful, “perhaps you’re not noble at all. Perhaps you’re just weak. The strong don’t wait for permission — they take what they need.”

His smile widened, impossibly certain. “Remember that, little vampire.”

The fog rolled back in to fill the space where he had stood, swallowing him whole. The cold crept in again, sharper now, more intimate. Megumi sank to his knees beside the well, his hands shaking uncontrollably. He couldn’t tell if it was from rage, hunger, or fear. Maybe all three.

Notes:

Thank you for reading. If you feel like leaving a comment, I’d love to know what you thought!