Nix wiped sweat from his brow. The corridor lights flickered, casting long shadows on the metal walls. Orbital Station Epsilon hummed around him, a constant vibration underfoot. He was just finishing his shift in the engineering bay, tools scattered like forgotten thoughts. The air recyclers whirred, pulling in the stale scent of oil and recycled oxygen. Another day in the void, he thought. But lately, something felt off. His skin tingled, not from fatigue, but deeper, like wires crossing in his nerves.
He'd heard the rumors. Radiation leaks from the outer hull. People changing. Mutations, they called them. Not the dramatic stuff from old vids-tentacles or scales-but subtler. Heightened senses. Urges that hit like solar flares. Nix shook it off. He was solid. Built for this life, hauling conduits and patching seals. But his hands trembled as he packed his kit. A warmth spread low in his gut, unbidden.
The public thoroughfare was alive when he stepped out. Crowds milled under the dome, fake stars twinkling overhead to mimic a sky no one remembered. Vendors hawked synth-meals, voices overlapping in a dull roar. Nix shouldered through, heading for the communal quarters. His bunk waited, narrow and cold. But the warmth persisted, coiling tighter.
That's when he saw her. Leaning against a support beam, eyes locked on him. She was striking-sharp features, hair cropped short like station wire. Her skin gleamed under the lights, a faint iridescence that caught his eye. Mutation? He couldn't tell. She wore the standard jumpsuit, unzipped just enough to show collarbone. "Hey," she said, voice cutting through the noise. Simple. Direct.
Nix paused. "Me?"
She nodded, pushing off the beam. "You look like you need a break. Name's Sira." Her hand extended, fingers long and steady. He took it, felt a spark. Not static. Something else. Her touch lingered, thumb brushing his knuckle.
"I'm Nix." He pulled back, but the warmth flared. "Just heading home."
Sira smiled, lips curving slow. "Home's wherever. Walk with me?" She fell in step, close enough that her arm grazed his. The crowd parted around them, oblivious. Public spaces like this were neutral ground-eat, talk, pass through. But her presence pulled at him, like gravity shifting.
They wandered toward the central atrium, where benches ringed a hydroponic garden. Fake vines twisted up poles, leaves rustling in the air flow. Sira talked easy-about leaks in sector seven, the latest ration cuts. Nix listened, but his mind wandered. Her scent, faint and musky, cut through the recycled air. His pulse quickened. The tingling spread, down his spine, pooling in his groin.
"You feel it too?" she asked suddenly, stopping by a bench. Her eyes searched his face.
"Feel what?" But he knew. The mutation whispers. Reports of heightened libidos, bodies craving contact after exposure.
She leaned in, voice low. "The pull. Like everything's sharper. Hotter." Her hand found his arm, squeezing. Nix's breath hitched. The atrium buzzed-people nearby, chatting, eating from foil packs. No one glanced their way. Public, but private in the crowd.
He nodded, throat dry. "Yeah. Started last cycle."
Sira's gaze dropped, then back up. "Me too. And him." She tilted her head toward a man approaching, broad-shouldered, with a stride that ate the distance. His eyes held the same iridescence, skin flushed. "Brax," she said as he reached them. "This is Nix."
Brax extended a hand, grip firm. "Heard you in engineering. Good work on the vents." His voice was rough, like gravel under boots. Up close, Nix saw the changes-veins faintly glowing under his skin, pulsing with each heartbeat.
They sat on the bench, the three of them close. Sira in the middle, her thigh pressing Nix's. Brax on her other side, arm draped casual over the backrest, fingers nearly touching Nix's shoulder. Conversation flowed-station gossip, mutation theories. But under it, tension built. Nix felt it in the air, thick as humidity. His cock stirred, half-hard against his jumpsuit. He shifted, hoping they wouldn't notice.
Sira did. Her hand slipped onto his knee, casual at first. "It's okay," she murmured. "We're all feeling it." Brax nodded, his free hand mirroring hers on her leg. The atrium hummed on, families passing, workers in clusters. No one batted an eye. Station life was raw; boundaries blurred in the isolation.
Nix's heart pounded. "Here?" The word escaped, rough.
"Why not?" Brax leaned forward, eyes on Nix. "Public keeps it honest. No hiding." His foot nudged Nix's boot, a deliberate press.
Sira's fingers traced higher, up his thigh. The fabric bunched under her touch. Nix swallowed, the warmth now a fire. He glanced around- a vendor nearby hawking glow-sticks, kids laughing by the vines. Normalcy framed them. Her hand cupped him through the jumpsuit, bold. He was fully hard now, straining.
"Feel that," Sira whispered, squeezing. "Your body's honest." Brax watched, a low chuckle escaping. His hand moved to Sira's chest, unzipping her suit an inch. She arched slightly, breath quickening.
Nix's hand found her other thigh, mirroring Brax. The three of them touched, tentative at first. Public, but the crowd's indifference emboldened. Sira's lips brushed Nix's ear. "More," she said. Simple command.
They stood, drifting to a shadowed alcove off the atrium. Not hidden-open to the thoroughfare, but dimmer, vines screening partially. Foot traffic passed twenty feet away. Brax pressed Sira against the wall, kissing her neck. She moaned soft, hand still on Nix's bulge.
Nix watched, the sight igniting him. Brax's mouth worked down, exposing more skin. Sira's suit peeled open, breasts free-full, nipples hardening in the cool air. Nix stepped closer, hand joining Brax's, thumb circling one peak. She gasped, eyes fluttering.
"Touch me," she urged Nix. He did, mouth replacing hand. Her skin tasted salty, alive. Brax unzipped his own suit, cock springing out-thick, veined, the glow faint along its length. Mutation's mark. Sira wrapped fingers around it, stroking slow.
Nix pulled back, breath ragged. His own suit came undone, cock bobbing free. Hard as station steel, tip leaking. Sira's hand found him, matching rhythm on Brax. "Good," she breathed. "Both of you."
The alcove wasn't private. A group of techs walked by, voices carrying. One glanced, smirked, kept moving. Exposure thrilled Nix, the mutation amplifying it. Risk like radiation, burning through inhibitions.
Brax knelt, face between Sira's legs. She hiked her suit down, exposing slick folds. He licked, broad strokes, her hips bucking. Nix stood, cock in her hand, watching her face contort. "Fuck," she hissed. "Deeper."
Nix threaded fingers in Brax's hair, guiding. The act pulled them tighter, a unit. Sira's free hand roamed Nix's balls, squeezing gentle. The thoroughfare noise faded to a hum, their world narrowing.
She came first, shuddering against Brax's mouth. Muffled cry, body clenching. Nix felt it through her grip, his own release building. Brax rose, lips glistening. "Your turn," he said to Nix, voice thick.
Sira dropped to her knees, alcove floor hard under her. She took Nix in, mouth hot and wet. Tongue swirled the head, sucking deep. Nix groaned, hand on her head. Brax stroked himself beside, watching. "She's good," he muttered.
Public eyes might catch them-shadows moved beyond the vines. The thrill spiked Nix's pulse. Sira's mouth worked him, sloppy now, saliva trailing. She pulled off, turned to Brax, alternating. Two cocks, her attention splitting them. Nix's mutation surged-senses sharp, every suck electric.
"Inside," Sira said, standing. She bent against the wall, ass out, suit pooled at ankles. Pussy glistened, inviting. Brax moved first, sliding in with a grunt. She moaned, pushing back. Nix watched, stroking, the sight raw.
Brax thrust steady, hips slapping. Sira reached for Nix, guiding him to her mouth again. Filled at both ends, she hummed around him. The alcove echoed their sounds-wet, rhythmic. A passerby slowed, peering, but didn't stop. Station voyeurs, part of the fabric.
Nix's control frayed. Brax pulled out, slick cock shining. "Switch," he said. Nix took his place, plunging into Sira's heat. Tight, soaking. She clenched around him, urging deeper. Brax fed her his length, the three linked.
Thrusts built, Nix pounding harder. Her walls gripped, mutation heightening every sensation-her pulse against his skin, Brax's grunts. Sira's orgasm hit again, body quaking, muffled screams on Brax's cock.
They didn't stop. Brax took her next, lifting one leg for deeper angle. Nix kissed her, tasting himself, then Brax. Lips met tentative, then fierce. Mutation blurred lines-male, female, all craving.
Sira dropped again, both men before her. She sucked Nix while stroking Brax, then switched. Hands and mouth everywhere, building them. "Come," she demanded, eyes wild.
Nix erupted first, spilling down her throat. She swallowed, greedy. Brax followed, painting her chest. Sira rubbed it in, smiling through the mess.
They slumped, breaths syncing. The alcove cooled them, public hum returning. Clothes zipped, but the afterglow lingered. Mutation's gift-or curse-binding them.
But it wasn't over. The urge simmered, demanding more. They wandered deeper into the station, toward the lower decks where crowds thinned but eyes lingered. Engineering bays gave way to rec areas, public lounges with low benches and dim lights. Nix's skin still buzzed, cock twitching at the memory.
Sira led, hand in his, Brax trailing close. "Can't stop now," she said. Her iridescence glowed brighter, veins tracing patterns under skin. Nix felt his own changes-sensitivity amped, every brush of fabric torture.
They found a lounge, half-empty. Holo-screens flickered with station news, a few patrons nursing drinks. No privacy pods here-open seating, meant for communal unwind. They claimed a corner booth, bodies pressing close. Sira's foot hooked Nix's ankle under the table, Brax's hand on her thigh.
Talk turned intimate. "First time feeling this?" Brax asked Nix, voice low.
Nix nodded, sipping synth-beer. Bitter on his tongue, but the warmth spread. "Yeah. You?"
"Week ago. Radiation spike." Brax's eyes met Sira's, shared history there. "She found me like this."
Sira leaned into Nix. "We feed it together." Her hand slipped under the table, unzipping him again. Bold in the lounge-patrons nearby, but absorbed in their own worlds. A couple laughed across the room, oblivious.
Nix's cock hardened fast, her fingers wrapping firm. Brax mirrored on her, hand working her suit open. She bit her lip, stifling a gasp. "Touch him," she whispered to Brax.
Brax's hand joined, rougher grip. Two sets of fingers on Nix's shaft, stroking in tandem. He gripped the table edge, knuckles white. The booth's low back hid little; a server passed, glancing but moving on. Public indulgence, station norm under mutation's shadow.
Sira slid down, head dipping under the tablecloth edge. Mouth on Nix, hot and insistent. Brax kept stroking her, fingers plunging now-wet sounds faint. Nix's hips bucked subtle, pleasure coiling tight.
She surfaced, lips swollen. "Your turn." Brax shifted, her mouth taking him. Nix's hand found her pussy, fingers circling clit. She moaned around Brax, vibrations drawing a curse from him.
The lounge's hum masked them, but tension mounted. A patron nearby shifted, watching sidelong. Exposure fueled the fire. Sira climbed onto the bench, straddling Nix's lap. Suits parted, she sank onto him, slow inch by inch. Tight heat enveloped, her walls fluttering.
Brax stood guard, hand on her back, then guiding his cock to her mouth. She rode Nix, hips grinding, while sucking Brax deep. The booth rocked gentle, public eyes possible. Nix thrust up, hands on her ass, spreading her.
"Fuck, you're soaked," Nix growled, voice rough. Sira's breasts bounced free, nipples grazing his chest. Brax's hand reached around, pinching one. She cried out, muffled.
Pace quickened. Nix's mutation sharpened everything-her scent, musky and aroused; the slap of skin; Brax's grunts. She came hard, clenching around Nix, nails digging his shoulders. He held off, savoring.
Switch again. Sira bent over the table, ass to Brax. He entered her from behind, powerful thrusts. Nix fed her his cock, slick from her. The angle let him watch Brax's shaft disappear, stretching her. Vulgar beauty in the motion.
A small crowd formed-discreet stares, whispers. No intervention; mutation nights drew watchers. Brax pounded relentlessly, hand fisting her hair. "Take it," he rasped. Sira's eyes watered, but she sucked Nix harder, throat working.
Nix pulled out, moving behind. Brax stepped aside, and Nix took her ass-tight ring yielding slow. She pushed back, accommodating. Brax reclaimed her mouth. Double filled, she writhed, body a conduit for their urges.
Thrusts synced, building to frenzy. Her orgasms rolled, one bleeding into next. Nix felt the edge, mutation delaying release, prolonging torment. Brax groaned first, pulling out to come on her back. Hot spurts, marking her.
Nix followed, deep in her ass, pulsing long. She collapsed forward, spent, glowing with sweat.
But the night pressed on. The mutation demanded escalation, pulling them to the station's core-a vast public plaza under the central dome. Holo-stars wheeled overhead, simulating night. Crowds gathered for the evening shift change, bodies packed tight. Benches, walkways, open spaces for rest.
Nix, Sira, Brax wove through, bodies humming. The earlier encounters had awakened something primal, changes accelerating. Nix's cock stayed semi-hard, sensitive to every brush. Sira's skin shimmered, iridescence spreading. Brax's veins pulsed brighter, strength amplified.
They found a low wall by the plaza's edge, overlooking the throng. Semi-secluded, but visible-people milling below, conversations floating up. Sira perched on the wall, legs spread. "Now," she said, voice husky. No more words needed.
Nix knelt first, face to her core. Tongue delved, lapping her folds, tasting their mingled essences. She was drenched, clit swollen. He sucked it, fingers joining-two, then three, stretching. Brax unzipped, stroking slow, feeding her the view.
Her hands gripped his hair, guiding rough. "Harder," she demanded. Nix obliged, tongue flicking relentless. The plaza's noise covered her moans-vendors calling, footsteps echoing. A few heads turned upward, spotting the scene.
Brax joined, cock to her lips. She took him deep, gagging slightly as Nix's fingers curled inside, hitting her spot. Orgasm built fast, her thighs clamping his head. She shuddered, juices flooding his mouth.
Rising, Nix shed his suit fully, cock rigid, veins glowing like Brax's. Mutation's symmetry. Sira hopped down, pushing him against the wall. She mounted him reverse, back to chest, ass grinding down. His length speared her pussy, deep and full.
Brax faced her, lifting her leg. His cock nudged her ass, pushing in alongside Nix's-double penetration, tight squeeze. Sira screamed, raw and unrestrained, echoing over the plaza. Heads turned, a circle forming below. Watchers now, phones out, capturing the mutation-fueled spectacle.
They moved, bodies locked. Nix thrust up, Brax matching from front. Sira's body stretched, accommodating both cocks, friction intense. "Fuck me," she chanted, voice breaking. Sweat slicked them, skin slapping loud.
Nix's hands roamed her front, pinching nipples, rubbing clit. Brax kissed her fierce, tongues battling. The crowd grew-dozens now, murmurs rising. Public climax, mutation on display.
Intensity peaked. Sira's walls spasmed, milking them. She came explosively, squirting down Nix's thighs. Brax grunted, filling her ass. Nix held longest, mutation surging, then unleashed-hot jets deep inside, overflowing.
They disentangled, collapsing in a heap. The plaza applauded faint, then dispersed. Sira laughed, breathless. "More tomorrow?"
Nix nodded, the urge sated for now. But in the station's hum, he knew it would return. Mutation bound them, public veins pulsing with new life.
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