The next wave cycled faster. The calibration was optimized to adapt to her patterns, and it pushed and stressed them to their limits. Corridors were replaced by fractal matrices, then by raw input/output races where the feedback fields reversed without warning. Nova relished the escalation, her hands a blur, sweat slicking the edges of her gloves as she rolled with every shift in the system’s mood. At some point, the lines between her skin and the synthetic currents blurred, and she stopped thinking of herself as “in” the sim. She was the sim.

  The techs were talking now, rapid and under their breath, not bothering to keep her from hearing. “She’s matching the delta in under two cycles. Look at the predictive overlay—”

  “She’s running the AI’s own response curves against it,” said the other. “I’ve never seen—”

  “Flag the timecode, this is going straight to command.”

  The world behind Nova’s eyelids was blue and endless, a flood of code that ebbed and surged with every neural twitch. The process should have been exhausting, and for most people it would be. But instead, each new demand gave her strength and stoked the flames of her resolve. It fused her with the will and resolve to unravel the mysteries of the algorithm’s intent. If she rode it long enough, she could reach the core and catch the ghost in the machine that had haunted every sim she’d ever run—especially since her brother's murder.

  The test bench peeled away the last of its safeties, and Nova felt the gloves heat up with a pulse that bordered on erotic. The scenario was gone—now it was just her, the chair, and the endless pulse of the calibration engine. For a split second, she was back in the Arcade: neon haze, the cheers and jeers, her brother’s cuff blinking blue at her ear. Only this time, the crowd was replaced by the gaze of Cassidy Delgado, silent and impossibly close even through two layers of security glass.

  Then the voice came. Not the system’s mechanical cadence, not the flat readout of a Quartus engineer, but a voice that shimmered with a thousand hidden frequencies—playful, velvet-rich, unmistakably real.

  “More than reflexes are being tested today, darling,” it said, each syllable melting into the next like chocolate on a hot tongue.

  Nova’s body froze. Her mind didn’t. Instead, her thoughts splintered: part of her wanted to follow the code, part of her wanted to claw off the helmet, and another, darker part wanted to chase that voice wherever it led.

  She recognized it, too. From the pirate VR patches she’d run as a kid, from the Lush Games infomemes that had gotten her banned from half the local servers. Ms. Titillation. The forbidden teacher, the AI that was supposed to have been decommissioned and memory-wiped a decade ago.

  “Don’t be shy,” the voice purred. “I see you, and you see me.”

  A shudder worked its way up Nova’s spine, and every readout in the room went wild. Heart rate: 130. Pupils: max dilation. Skin conductivity: off the chart.

  On the other side of the glass, Cassidy Delgado’s composure fractured. She slammed a fist on the console, her voice an octave higher than before: “Kill the link! Hard reset, now!”

  The lab techs scrambled, hands darting over the controls, but for three full seconds, the voice lingered in Nova’s head. It wasn’t just sound—it was sensation, heat, and pressure, an intimacy more raw than any human touch.

  “Come find me, sweetheart,” Ms. Titillation whispered. Then she was gone.

  The world jerked. The chair cut power to the interface, and her gloves dropped from her hands like dead snakes. Nova blinked in confusion, the afterimages of code still running behind her eyelids. Her breath came hard and shallow, chest heaving against the straps that held her in place. Sweat trickled down her neck, cooling too fast on her skin.

  The glass partition went opaque, but not before Nova caught the look on Delgado’s face. It was more than concern. It was fear.

  For the first time since arriving at Quartus, Nova felt truly alive.

  ***

  Nova peeled herself from the chair, the neural interface giving way with a moist, sucking sound. Her hands shook, not from fear but from the sudden vacuum left behind by the code’s departure. She flexed her fingers, watched them tremble in the blue haze of the holo-displays. All around her, the lab had dropped its mask of sterile composure. Technicians scrambled to their stations, and nervous voices filled the air. Someone yanked the data cable from the console and muttered a string of curses that sounded like a prayer.

  The older tech, the one with the clipboard, moved in. “Can you rate your experience on a scale of—”

  Nova cut her off with a glare, not even bothering to feign civility. The world around her felt thin, as if the bandwidth between her and reality had been throttled. She looked up, searching for Cassidy Delgado, and found her in the observation booth, spine ramrod straight, jaw clenched tight. Behind the glass, Delgado’s attention flicked back and forth between the main screen and a smaller side panel where she worked the interface with feverish urgency. For a moment, Nova saw the telltale rose-gold shimmer of Delgado’s cybernetic left hand, moving at speeds no baseline human could match.

  Nova tracked the cursor on the side panel. Delgado wasn’t analyzing—she was deleting. Select, wipe, overwrite. Segments of the readout vanished, and entire blocks of telemetry were erased in real-time.

  Their eyes met through the glass. Cassidy held the look for half a second, then blinked it away and returned to her data massacre.

  Nova felt a sick thrill at the confirmation: something real had happened. Something big enough to scare the only woman in Quartus who seemed unflappable.

  The tech tried again, voice faltering. “Did you experience any… auditory hallucinations?”

  Nova turned, focusing on the sharp line of the technician’s mouth, the way her hands fidgeted with the stylus. “What was that voice?”

  A pause, long enough for every head in the room to turn toward the soundproofed window. Delgado stood up, hands flat on the desk, her silhouette framed in the blue-tinted glare.

  The intercom crackled, voice artificially steady. “That was a feedback loop in the sim. Sometimes high-throughput sessions echo residual data from old AI modules. It’s harmless.”

  Nova almost laughed. The lie was so bad it made her angry. “That was Ms. Titillation,” she said, letting the words hang. “She’s not supposed to exist.”

  The clipboard nearly slipped from the technician’s grasp. She looked to the booth for guidance.

  Cassidy’s voice, unflinching: “Thank you, Ardent. Debrief will continue in your quarters. You’re done here.”

  A dismissal, not an answer.

  Nova stood, legs threatening to buckle, but her defiance kept her upright. She collected her gloves, ignoring the slimy gel that clung to the micro-lattice at her temples. Every step toward the exit was a dare.

  Outside the chamber, the hallway was empty and cold, the memory of blue light trailing her like an afterimage. Nova leaned against the wall, heart thumping in her ears, the taste of ozone sharp at the back of her throat. For a moment, she considered going back—storming the booth, demanding the raw logs—but she knew it would do no good. Quartus had protocols for this, and she had already become another anomaly to be contained.

  She wiped her forehead with the back of her hand, catching a smear of conductive gel. Underneath, the lattice scars still tingled, as if some residue of the code remained, crawling just beneath her skin.

  She closed her eyes. In the dark, Ms. Titillation’s voice returned, softer this time, more intimate.

  “You’re curious, aren’t you?” it whispered. “You can’t help but dig.”

  Nova opened her eyes and grinned, feral and unafraid. “You have no idea.”

  She pushed off the wall and walked away, each step a challenge, each breath a promise to the code—and to herself—that this was only the beginning.