Prologue

— Neon Veins for the Undying

The klaxon does not merely ring; it vibrates upward through the titanium floorboards of the Sanguis-Geum apex laboratory, rattling the marrow inside my bones. Red strobe lights wash over the pristine white surfaces of my workstation, turning the sterile, high-altitude room into a slaughterhouse before a single drop of blood has even been spilled.

I stare at the massive panoramic monitors dominating the 102nd floor. Lines of executing code—my code, twisted and hijacked—scroll down the glass screens like digital blood weeping from an open wound.

Command Network: Online. Calibration: 10%. Target Protocol: Absolute.

Han Tae-jin did it. The Director actually pushed the button.

My breath catches in my throat, a hard, sharp gasp that tastes of ozone and recycled air. For three years, I designed Chroma. I engineered the synthetic blood to be a miracle, a sustainable food source that could perfectly mimic human desire, memory, and emotion for the vampire elite of vertical Seoul. I mapped the hematological pathways. I built the architecture. I thought I was ending a shadow war. I thought I was saving human lives from the feeding alleys.

Instead, I built a leash.

Tae-jin had secretly embedded a sleeper protocol within the Chroma supply. Anyone who consumed it—which was now ninety percent of the city’s vampire population—had my synthetic pathways woven into their nervous system. And with the Command Network active, he could overwrite their free will. He could turn millions of thinking, feeling beings into a synchronized army of bio-drones.

"Override," I snap, my fingers flying across the haptic keyboard. "Authorization: Min Seo-yeon. Terminate Protocol Absolute."

Access Denied. Terminal Locked.

"Damn it," I hiss, slamming my fist against the console.

The heavy, reinforced blast doors of the laboratory slide shut with a pneumatic hiss, the magnetic locks engaging with a heavy, final thud. I am trapped. The threat matrix on my secondary screen flashes crimson, showing a complete lockdown of the upper executive tiers. Tae-jin isn’t just seizing control of the Network. He is erasing the evidence. He is erasing the architect.

I spin away from the console, my mind racing through the calculus of survival. The primary elevator is dead. The service shafts are sealed. The only way out of a corporate fortress suspended thousands of feet above the neon slums is to fly, or to fight.

I am a scientist, not a soldier, but I know the anatomy of a monster perfectly.

I reach under my desk and pull out my modified surgical scalpel. The hilt is wrapped in grip-tape, the monomolecular edge humming with a faint, lethal vibration as I activate the power cell. It is meant to slice through bio-synthetic armor plating, but it will work just as well on flesh.

The temperature in the room plummets. A localized pressure drop.

Above me, the reinforced glass ceiling of the apex lab groans.

I drop through the ventilation shaft like a guillotine blade, the eighty-story freefall nothing but a rush of freezing air against my tactical suit.

My objective is simple. It is always simple when Han Tae-jin issues a royal writ of execution. Infiltrate the apex lab. Execute the architect, Dr. Min Seo-yeon. Burn the blueprints.

I am Han Mirae. I am the Director’s chief executioner, the heiress to a bloodline built on absolute authority and ruthless precision. I do not question the orders. I do not feel the weight of the lives I extinguish. I am a weapon, perfectly calibrated and perpetually cold.

At least, that is what the Chroma I am forced to drink tells me to be.

The artificial blood still sings in my veins from my pre-mission ration, an intoxicating cocktail of synthetic adrenaline and engineered loyalty. It makes me fast. It makes me lethal. But beneath the programmed rush, in the silent, suffocating depths of my own mind, I feel the agonizing chafe of the collar around my neck. I despise the synthetic taste. I despise the way it mutes my true instincts, wrapping my ancestral power in corporate code.

I hit the access grate above the laboratory. I do not bother overriding the electronic locks. I channel my momentum, driving my combat boots downward.

The reinforced glass shatters inward.

A cascade of diamond-sharp shards rains down into the laboratory, reflecting the crimson emergency strobes. I detach myself from the falling debris, landing on the titanium floor with a heavy, flawless crouch. The kinetic shockwave ripples outward, shattering a row of glass hematology centrifuges.

I rise, drawing my twin combat blades. The room smells of ozone, sterile chemicals, and the rapid, terrified heartbeat of a human.

She is standing on the far side of the console. Dr. Min Seo-yeon.

She does not look like the architect of a global control network. She looks fragile. Her dark hair is pulled back in a messy knot, and she is wearing a standard white lab coat over dark slacks. But as my predatory gaze locks onto her, I register the weapon in her hand—a vibrating surgical dagger—and the absolute, icy calculation in her dark eyes.

She isn’t cowering. She is analyzing me. Finding my weak points.

"You’re early," she says, her voice remarkably steady over the wail of the klaxons. "Tae-jin usually waits at least an hour before sending his hounds to clean up his messes."

"I am not a hound," I reply, my voice a soft, lethal purr that carries across the room. "I am the executioner. Put down the blade, Doctor. I promise I will make it quick."

"I don’t do well with promises," she fires back.

I lunge.

She moves faster than the human eye can track.

One second, the vampire is standing twenty feet away, a terrifying vision of aristocratic lethal grace in a midnight-black tactical suit. The next, she is right in front of me, the air displacement hitting my face a fraction of a second before her blade does.

I drop to my knees, throwing myself into a roll across the polished floor. Mirae’s blade cleaves the air where my neck was, slicing through the holographic display terminal and showering us in digital sparks.

I scramble to my feet, using a steel lab table as a barrier. My heart is threatening to hammer its way out of my ribs, but my mind is crystal clear. The threat is in the room. Survival requires action.