Chapter 4: The Lab's Secret
The stairwell to the basement was narrow, a concrete throat swallowing them. Lia had to turn sideways, Yuna still cradled against her chest, to navigate the turns. The hum of the city faded, replaced by a deeper, more insistent vibration—the sound of machines at work.
Yuna’s breath was warm against Lia’s neck. “He told me it was a storage closet. For archived files.”
“He told me a lot of things,” Lia said, her voice echoing off the walls.
She shouldered through the final door, a heavy industrial thing meant to keep people out. The lock snapped with a sound like a gunshot. The light inside was not the sterile white Yuna might have expected. It was a deep, aquatic blue, interspersed with the violet glow of UV lamps. The air was cool, filtered, and carried a scent like ozone, rainwater, and something else—burnt sugar and copper.
The lab unfolded before them. It wasn’t movie madness; it was methodical, expensive, and hidden in plain sight. Sleek black refrigeration units hummed along one wall, their glass doors revealing rows of vials, each suspended in its own slot. Golden liquid, silver, a few with that strange, pulsing emerald sheen like the one Lia had taken. Holographic displays flickered above workstations, spirals of DNA turning lazily, graphs spiking with data.
Yuna slipped from Lia’s arms, her shoes making a soft scuff on the polished epoxy floor. She walked, trance-like, past a microscope, past a centrifuge, to a main screen. It displayed a complex biochemical model. At its center was a label: Project Chimera – Subject Y-07. Iterative Stability Analysis.
“Subject Y-07,” Yuna read aloud. Her voice was flat. “That’s me.” She touched the screen, her finger passing through the hologram of a protein fold. “All this… for posture?”
“For control,” Lia corrected. She moved through the space like it belonged to her, her new height making the ceiling feel suddenly low. She ran a finger along the seal of a fridge. “Precise, measured, gradual control. He was building you, Yuna. One careful tweak at a time. Making sure you stayed… manageable.”
The word hung in the cold air.
Yuna turned, her eyes finding the only thing that seemed out of place—a standalone secure cabinet in the corner. It was matte black, with a biometric lock. A single, thick vial rested on a slab inside, visible through a small window. This liquid wasn’t golden. It was obsidian, shot through with filaments of fierce, bioluminescent blue that swirled without provocation, like a trapped nebula.
“That’s different,” Yuna whispered.
“That’s the source,” Lia said. She walked to the cabinet, studied the lock. “The concentrate. What he cuts everything else from.” She gripped the handle. The metal groaned, then shrieked as she ripped the entire door from its housing, the bolts shearing clean. She tossed the door aside; it clattered like a cymbal.
The vial was heavier than it looked, cold as a stone. Lia plucked it from its cradle. The light within pulsed, reacting to her touch.
“This is what he was afraid of,” Lia said, holding it up. The blue light danced across her emerald features. “No iterations. No safety margins. Just the pure change.”
She offered it.
Yuna stared at the vial. The trembling in her hands had stopped. Her face was a mask of calm calculation, the same look she got when reviewing a complex quarterly report. But her eyes were alive, reflecting the nebula in the glass. “What will it do?”
“What do you want it to do?” Lia countered. “You wanted to feel bigger. This isn’t a feeling. It’s a fact.”
“Will it be like you?”
“I don’t know.” Lia’s honesty was brutal. “My genetics. Your genetics. The serum… it’s a key. It opens a door. What’s on the other side might be a different room.” She stepped closer, the space between them crackling. “But you’ll be in it with me. Not him. Us.”
Yuna’s gaze flicked to the shattered cabinet, to the hieroglyphics of data scrolling across the walls—all of Lewis’s careful science, his lies by omission. She thought of the tiny, incremental doses, the patronizing pats on the hand, the promise of a future confidence that was always just one more vial away.
A clean, cold fury settled in her stomach.
“How?” she asked, her voice decisive.
Lia smiled. She set the vial down gently on the black slab and, with a deftness that belied her size, retrieved a sterile injector gun from a drawer. It was a sleek device, meant for subdermal delivery. She loaded the obsidian serum into the chamber. The sound was a precise click-hiss.
“It’s going to hurt,” Lia said, meeting Yuna’s eyes. “It’s going to feel like you’re being unmade. Then it will feel like you’re being put back together, all wrong and all right at the same time.”
Yuna didn’t flinch. She simply pulled her hair aside, exposing the smooth line of her neck. “Do it.”
Lia moved behind her. One massive, gentle hand came to rest on Yuna’s shoulder, a ground wire. The other brought the injector to her neck. Lia could feel the frantic butterfly beat of Yuna’s pulse against the cool tip.
“Ready?”
“Do it.”
The thwip of the injector was deafening in the quiet lab.
For a second, nothing. Yuna gasped, a short, sharp intake. Then her back arched.
It started as a heat, a sun unfolding between her shoulder blades. Then the sound began—a low, wet popping, a crackling like stepping on a frozen puddle. Yuna’s knees buckled. Lia caught her, lowering them both to the floor, cradling Yuna against her.
“Breathe,” Lia murmured, her mouth against Yuna’s temple. “Let it happen.”
Yuna cried out, a strangled, wrenching sound as her spine lengthened, vertebrae sliding and reforming. Her sleek black dress strained at the seams. The sound of rending fabric mixed with the sickening, fascinating symphony of structural change. Lia held her through the convulsions, feeling the bones in Yuna’s arms shift and expand under her hands.
Yuna’s skin began to glow. Not the uniform green of Lia’s, but a deeper, more turbulent hue—a forest at midnight. Where Lia was emerald, Yuna was becoming jade, shot through with those same electric blue filaments from the serum. It spread like ink in water, claiming her.
Her face, pressed into Lia’s collarbone, was a landscape of pain and ecstasy. Her jaw squared, her cheekbones rising into sharper promontories. Her black hair seemed to grow wilder, thicker, spilling over Lia’s arms like a shadow.
The worst was the height. Lia could feel it happening, Yuna stretching, growing in her embrace. It wasn’t graceful. It was a relentless, pushing force. Lia had to adjust her grip, her own arms straining as the woman in them became something else, something larger. The petite, reserved co-worker was vanishing, replaced by a new, powerful form still writhing in its birth throes.
The crackling subsided. The glowing intensity faded from a blinding radiance to a soft, internal luminescence. The trembling slowed, then stilled.
Silence, broken only by the hum of the refrigerators and Yuna’s ragged, deep breaths. Breaths that now came from lungs with a vastly greater capacity.
Lia loosened her hold, just enough to look.
Yuna opened her eyes.
They were no longer just dark. They were pools of liquid obsidian, with pinpricks of that same fierce blue light swirling in their depths. She looked up, and up, her new line of sight meeting Lia’s. They were nearly level. Where Lia was raw power and defined muscle, Yuna was sleek, elongated grace—a panther to Lia’s lion.
Yuna lifted a hand, a hand that was now long-fingered and strong, the skin a gorgeous, deep jade. She turned it over, watching the blue filaments pulse faintly beneath the surface. She flexed. The muscle in her forearm shifted with a silent, potent authority.
A laugh escaped her. It was a new sound. Lower, richer, unburdened.
“Oh,” she said, the single syllable full of wonder.
She shifted, getting her legs under her. Lia rose with her, a mirror action. They stood together in the wreckage of the lab, two titans where moments before there had been one. The ceiling was genuinely close now. The world had shrunk again.
Yuna looked at her shredded clothing, then at Lia’s. The remnants of their old lives, literally in tatters on the floor. Her new eyes, dark and star-flecked, found Lia’s.
“He’s going to have a lot of questions,” Yuna said, her new voice a thrilling vibration.
Lia reached out, tracing the new, sharp line of Yuna’s jaw. A perfect, matching strangeness.
“Let him ask,” Lia said.