The hiss of hydraulics is the only warning. The seamless door to his quarters slides open, framing Riven backlit by the low corridor light. He doesn't enter, just stands there, his glacial gaze a physical weight scanning her from across the room.
"The alert," he says, voice gravel. "Explain the deviation."
Lena's throat is dry. The explanation is the heat pooling low in her belly, the scent of ozone and desperate sweetness thickening the air between them. She can see his nostrils flare from here.
She crosses her arms, a shield. "The scan was invasive. It startled me."
"Cortisol spikes from startle response subside in ninety seconds." He takes one step inside. The door seals behind him with a final sigh. "Your deviation lasted eight minutes. Peaked when you handled my lighter."
He knows. Of course he knows. The room feels smaller, the recycled air too thin. Her skin is too tight, humming with a current that started at her wrist where he’d brushed it and hasn't stopped.
"It's just a lighter."
"It carries my scent." His voice drops, a low vibration in the sterile space. "Your pheromone profile shifted when you touched it. Amplified. The system flagged it as pre-volatile."
He moves then, not toward her but along the perimeter of the room, a predator assessing territory. His boots are silent on the composite floor. Lena tracks him, her own breath shallow. He stops at the dispensary, taps the screen. The log of her supplement consumption glows blue.
"It didn't work," she says, the defiance in her voice thinner than she wants.
Riven turns. The low light cuts across the scar bisecting his eyebrow, the broad line of his shoulders. "The suppressants are calibrated for standard omega biology. Yours is no longer standard." He states it as fact, a tactical assessment. "Every elevated reading, every shift, is a data point. It charts a trajectory."
"Toward what?"
His ice-blue eyes hold hers. "Toward a threshold. One my control is meant to prevent you from crossing."
The words land in the silence between them. Lena feels the truth of them in her blood, a pull deep in her core. It feels like falling. It feels like coming home. The terror of it claws up her throat.
He sees it—the flash of fear in her storm-grey eyes. He takes a single step closer. Now the scent of him reaches her, clean starch and something darker, metallic, like a storm on stone. It cuts through the sweet ozone of her own distress, and her body responds before her mind can veto it. A low, soft heat blooms outward from that insistent pool in her belly. Her skin flushes. She feels damp between her thighs.
Riven goes utterly still. His jaw clenches, a hard line in the shadow. He smells it. The change. The desperate, welcoming sweetness underneath the fear.
"That," he says, the word stripped raw. "That is the deviation."
The silence stretches, a wire pulled taut between them. He doesn't move. He doesn't need to. The scent of her—that damp, desperate sweetness—is the only answer he requires, and it fills the small room, a confession written in the air.
He closes the distance in two long, silent strides. Not touching her. Just stopping, his body a wall of heat and starched uniform a hand's breadth from hers. Lena’s breath hitches. She can see the individual threads of his jacket, the faint pulse at the base of his throat. His ice-blue eyes are fixed on her mouth.
"Control," he says, the word a low rumble. "Is the only thing keeping you from shattering."
His hand comes up. Not to strike. Not to comfort. His thumb brushes the line of her jaw, just below the silvery scar. The touch is clinical. Assessing. It burns. Lena’s knees threaten to buckle. A soft, traitorous sound escapes her throat.
"You feel it," he murmurs, his gaze dropping to where his thumb rests. "The pull. The need for an anchor. Your biology is screaming for it."
His other hand rises, cradling the other side of her face. He holds her there, trapped in the cradle of his palms. His scent envelops her—storm and stone and male—and the low heat in her belly coils into a sharp, aching throb. She is wet. She can feel it, a slick, shameful truth.
"Look at me."
She does. His eyes are glaciers, but beneath the ice, something primal churns. His jaw is clenched so tight a muscle jumps. He is not unaffected. The knowledge is a lightning strike.
"The deviation is a demand," he says, his voice stripped of all gravel, just raw truth. "Your body is demanding a keeper. It is demanding me."
He leans in. His forehead nearly touches hers. His breath is warm on her lips. "And you will hate it. You will fight it. But you will beg for it before the end."
His thumbs stroke once, slowly, along the line of her jaw. A claiming. A promise. Then his hands drop away, leaving her skin cold and screaming for contact.
He takes a single step back, breaking the spell. The air rushes in, sterile and thin. He turns, his broad shoulders blocking the light from the door panel. "The next alert won't be amber."
He doesn't look back. The door hisses open, then seals shut behind him, leaving her alone with the scent of their collision and the unbearable, hollow ache he carved into her core.
Her knees gave out. Not a choice. The floor met her with a jarring thud, the cold composite biting through her thin uniform pants. She sat there, back against the wall, trembling. Her hands shook—fury or need, she couldn't tell the difference anymore. The scent of him still hung in the air, storm and stone, tangled with the cloying sweetness of her own arousal.
She pressed her thighs together. The slick heat there was a humiliating, undeniable fact. Her body had answered him. It had begged, silently, while her voice had stayed locked in her throat.
“You will beg for it before the end.”
His words echoed in the sterile silence. She dug her fingernails into her palms, the sharp pain a focus point. It didn’t erase the ache. It underlined it. A hollow, yearning throb deep in her core that his nearness had carved and then abandoned.
The door panel glowed a steady, impassive green. Sealed. He was on the other side. Monitoring. Knowing.
She dragged in a breath. It tasted of him. She hated that her lungs sought it out, that some desperate part of her was trying to hold onto the fading traces. She dropped her forehead to her updrawn knees. The dark behind her eyelids offered no escape. Only the memory of his hands cradling her face, his thumbs on her jaw. The look in his ice-blue eyes—not clinical, not then. Something churning, primal, meeting her own unraveling.
A low, frustrated sound tore from her. She slammed a fist against the floor. The impact shuddered up her arm, useless. The fire he’d lit didn’t bank. It smoldered.
She was wet. Still. The sensitive flesh between her legs felt swollen, tender. A pulse beat there in time with her hammering heart. Her own traitorous biology, a live wire he’d touched and now couldn’t leave alone.
The logical part of her mind, the part that had kept her alive on the fringes, tried to assemble facts. Pre-volatile. Threshold. Keeper. The words were cold, tactical. They did nothing to explain the heat in her veins, the way her skin still tingled where he’d held her.
She uncurled, leaning her head back against the wall. The ceiling was smooth, featureless. A prison. A cage he’d built to observe the breakdown he was causing. Control, he’d said. The only thing keeping you from shattering.
Her body felt like a shattered thing already. Pieces held together by willpower that was cracking at the seams. She wanted to scream. She wanted to pound on the door until her fists bled. She wanted the door to open.
That last thought was the most terrifying of all.