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Dawn of the Harem Planet

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All characters are over the age of 18. The people in this story live on a very warm tropical planet with radiation delaying puberty for people till age 18. This makes male births much rarer than females, giving rise to harem based relationships. The first signs of puberty are increased interest and feeling about the opposite (or same) sex, and erections develop. Culturally, parents do not discuss puberty and sex, leaving people very ignorant about sexual urges and body development. They believe this results in more babies born to populate the planet. Mark is a shy submissive guy, 19 years old, a blond college freshman, and the only male on the swim team with many women. He has always liked Jessica and Jean, and wanted to be more than casual friends. He is a voyeur, and has always been curious about girls bodies, even before puberty. His 6 inch flaccid cock recently has eight inch erections, making it awkward in tight speedo swim suits. No one on the team knows Mark is starting puberty, as his blond pubic hair is hard to notice. Jessica and Jean are 18, beautiful blond freshmen, also on the swim team. They have known and liked Mark since grade school, and are good friends of his, but consider him a nerdy guy and a good swimmer. Jessica and Jean are outgoing woman, just starting puberty, with breasts starting to fill out. Faint blond pubic hair is starting to grow. Their emotions and feelings are changing, with more attention paid to men’s bodies. Jean really likes Jessica and Mark and she wants a relationship with Jessica and maybe Mark too, but is too shy to initiate anything. Due to the heat, they wear short dresses and miniskirts, no underwear and loose revealing tops always. At the beach and parks, they prefer to be nude. For Mark, since puberty, this arouses and frustrates Mark continuously. Jessica’s twin sister is Chloe, age 19. She is visiting Jessica and knows Mark and Jean well. Chloe is further along in puberty, understanding a little more about how their feelings will develop, though still mostly ignorant about sex. The first scene has Mark, at the first swim practice since reaching puberty, still in his speedo, sitting with Jessica’s sister Chloe. Mark is watching Jessica and Jean. Chloe is asking Mark about the three of them and their relationship. She notices Mark’s constant attention on Jessica and Jean. She thinks he is interested in the two women. Chloe hopes she will help Jessica by asking him to help organize the dorm.

Chapter 2: Shared Discovery

The click of the belt buckle echoed in the silent room, sharp as a snapped bone. Mark’s fingers froze on the leather strap. The hum of the fan, the distant thump of bass from another room, the ragged sound of his own breathing—it all crashed in on him. He couldn’t look at their faces.

Jessica moved first. She didn’t touch him. She just slowly sank to her knees on the woven mat in front of him, the frayed hem of her denim skirt pooling around her thighs. She looked up, her blond hair falling over one shoulder. Her expression wasn’t hungry or sly. It was focused, intent, like she was about to examine a complex piece of machinery.

Jean watched for a second, then mirrored her, kneeling beside Jessica. They were a tribunal at his feet.

“It’s okay,” Jessica said, her voice low and practical. “We’re just looking.”

His hands, trembling badly now, fumbled with the button of his jeans. The zipper came down with a rasp that seemed to go on forever. He hooked his thumbs into the waistband of his boxers and jeans together and pushed them down over his hips in one stiff, jerky motion.

The cool air from the fan washed over his exposed skin. He squeezed his eyes shut.

A soft, collective intake of breath.

He was fully, painfully erect, jutting out from his body at an awkward angle. Eight inches of flushed, veined flesh he had only ever seen in the stark, shameful light of a bathroom. The blond curls at the base, paler than the hair on his head, were a sparse, wiry forest he hated.

“Oh,” Jean whispered. It was a sound of pure, unadulterated discovery.

Mark forced his eyes open. They were both leaning in, their heads tilted. No laughter. No disgust. Just an analytical fascination that was somehow more exposing than mockery.

“So that’s what it looks like,” Jessica murmured. “When it’s… like that.”

“It’s so much… more than I thought,” Jean said. Her gaze traced the length of it, up to the glistening tip, then back down. “You said it gets big. You didn’t say it was… a different shape entirely.”

“Does it feel heavy?” Jessica asked, her eyes lifting to his.

He managed a stiff nod. His voice was gone, stolen by the sheer surreal horror of the moment.

“And the hair,” Jessica said, her attention shifting lower. “See, Jean? It’s like ours, but… different. Blonder, maybe. And it grows up the base here.” She pointed a tentative finger, not touching, just indicating the trail leading towards his navel.

“Can we see ours?” Jean said suddenly, looking at Jessica. “To compare. Like we said.”

Before Mark could process the question, Jessica was nodding. She rocked back on her heels, hooked her thumbs into the sides of her tiny denim skirt, and shimmied it down her legs in one smooth motion. She wasn’t wearing anything underneath. The heat, the casual norm of it, was laid bare. She knelt back up, completely exposed from the waist down.

Jean did the same, pushing her skirt down, kicking it aside with her foot.

Mark’s knees almost buckled. The dual image was overwhelming. They were so close he could feel the warmth radiating from their skin. Jessica’s pubic hair was a soft, faint gold dusting, almost invisible against her tan. Jean’s was slightly darker, a hint of honey blonde, curling softly. Their bodies were open, unselfconscious, presented as mere data.

“See?” Jessica said, looking down at herself, then at him. “It’s the same idea. Just… a different arrangement.”

“Yours is so… prominent, though,” Jean said, her eyes flicking back to his erection. “Does it… hurt? Is it sensitive?”

“Yes,” he choked out. “Both.”

“Where?” Jessica pressed. “The tip? Or all of it?”

“The tip. Mostly.”

Jessica bit her lip, thinking. She looked at Jean, then back at Mark’s cock. A new, more decisive curiosity hardened her features. “Can I touch it?”

The question hung in the humid air. It wasn’t a seduction. It was a request for tactile information, as plain as if she’d asked to feel a fabric sample.

Mark’s brain short-circuited. Every cultural taboo screamed. But he was already here, already exposed, already plunged into this bizarre, clinical intimacy. He gave another jerky nod.

Jessica lifted her hand. She hesitated for a second, her fingers hovering an inch away. Then she touched him.

Her fingertips were cool and dry. They brushed along the shaft, from the base upwards, a light, exploring stroke.

A violent shudder ripped through Mark. He gasped, his hips twitching forward involuntarily.

She snatched her hand back. “Did that hurt?”

“N-no,” he stammered, his face aflame. “It’s just… really sensitive.”

“Interesting,” she murmured, more to herself than to him. She reached out again, more confidently this time. She wrapped her fingers loosely around him, her thumb resting on the underside. Her grip was experimental, testing the weight and the firmness. He was rock-hard, the skin hot and taut under her palm. “It’s so warm. And the skin moves, a little, over the hard part underneath.”

Jean watched, mesmerized. “What’s it feel like?”

“Firm. But kind of spongy, too? Like a really tense muscle.” Jessica moved her hand up slowly, then down, a tentative stroke. A bead of moisture welled at the tip. She stared at it. “What’s that?”

“I don’t know,” Mark whispered, utterly mortified. “It just… happens.”

Jessica wiped it away with the pad of her thumb, then looked at the glistening residue. She rubbed her thumb and finger together. “Slippery.”

Jean, emboldened, reached out. She didn’t take over from Jessica. Instead, she gently cupped his balls, which had drawn up tight against his body. He flinched again, a full-body spasm.

“These are sensitive too?” Jean asked, her touch surprisingly gentle.

He could only nod, biting the inside of his cheek until he tasted copper. The combined sensation—Jessica’s slow, curious strokes and Jean’s soft, holding touch—was unravelling him. Pleasure, sharp and foreign, coiled deep in his gut, a counterpoint to the crushing shame. His breath came in short, ragged pants.

“He’s trembling,” Jean observed, looking up at his face.

“Is this too much?” Jessica asked, pausing her movement. Her gaze was clear, concerned. “We can stop.”

Stop. The word should have been a lifeline. But stopping would mean going back to the silence, to the ignorant, frustrated ache. This was terrible and terrifying, but it was also an answer. It was a dialogue about the very thing that had isolated him.

“No,” he breathed. “Don’t stop.”

Jessica’s eyes widened slightly at the raw need in his voice. She resumed her motion, her strokes becoming slightly longer, more rhythmic. She was studying his reactions, her head cocked. “It gets harder. When I do this.”

Jean leaned in closer, her breath whispering against his thigh. “Look at the veins. They’re more pronounced.” She lifted her other hand and traced one with a fingertip, a feather-light touch that made him jerk.

Mark’s head fell back, a groan trapped in his throat. The coiling sensation tightened, building towards something he dimly recognized from furtive, private nights but had never experienced with another person’s hand on him. The world narrowed to the fan’s breeze on his heated skin, the scent of their shampoo, the alternating touch of their hands.

“He’s making a face,” Jean whispered.

“His breathing is different,” Jessica said, her own breath starting to come quicker, a mirror to his. Her movements became less clinical, more instinctive, following the responses of his body.

The pressure built, a cresting wave of feeling that obliterated thought. Mark’s back arched. A strangled sound escaped his lips.

It hit him like a silent detonation. His hips bucked against Jessica’s hand. Thick, pearly streaks shot onto the woven mat between their knees, followed by weaker pulses that dotted his own stomach.

Jessica yelped, letting go instantly. She stared at her hand, then at the mess on the floor, her face a mask of shock. “What was that?”

Jean recoiled, her hand leaving him. “Did it… break?”

Mark slumped, boneless and dizzy, shuddering through the aftershocks. He couldn’t speak. He could only pant, his eyes squeezed shut against the new layer of humiliation.

There was a long, stunned silence. The fan whirred.

“It’s… sticky,” Jessica said, finally, looking at her fingers with a revolted fascination. She wiped them quickly on the mat. “Is that… normal?”

Mark found his voice, thin and wrecked. “I think so. It happens… by myself. Sometimes.”

“So that’s what that is,” Jean said softly, staring at the evidence. Her initial shock was fading, replaced by a dawning, profound comprehension. “That’s what it’s for.”

The three of them sat in the wreckage of the moment, surrounded by clutter and the stark new fact of what had just happened. The innocence of their inquiry was gone, shattered by the visceral, physical result. Something had shifted. The line between clinical curiosity and something else had been irrevocably crossed, not with intent, but with simple, clumsy biology.

Jessica finally looked up at Mark, her blue eyes no longer just curious. They were dark, wide, and filled with a new, complicated awareness. She saw him now—really saw him—not just as a nervous friend, but as a body that could react, that could lose control. That could erupt.

She slowly, deliberately, wiped her other hand on her bare thigh, leaving a faint, shiny smear on her skin.

None of them moved to get dressed.

None of them moved to get dressed. The only sound was the fan chopping the thick air and Mark’s slowing, shuddering breaths. He kept his eyes closed, willing the stone floor to swallow him whole.

“Well,” Jessica said finally. Her voice was strangely calm. “That was educational.”

A choked laugh burst from Jean, part nerves, part release. “You’re telling me. I thought maybe he’d just, I don’t know, get softer and that’d be it.”

Mark finally risked looking at them. They were still naked from the waist down, kneeling in the evidence of his body’s betrayal. Shame coiled hot in his throat. “I’m… I’m so sorry.”

“For what?” Jessica asked, tilting her head. She wasn’t smiling, but her expression wasn’t disgusted either. It was the same focused look she got when solving a complex lane-turn equation. “You didn’t do it on purpose. It was a physiological reaction. We were poking the apparatus. It responded.”

“The apparatus,” Jean repeated, grinning now. “God, Jess.”

“What? It is.” Jessica shifted, wincing as her knees adjusted on the rough mat. She looked between Mark and Jean, then at their own exposed bodies. “We said we were going to compare. We only did half the job.”

Mark’s brain, still swimming in post-release fog, couldn’t parse her meaning. “What?”

“We looked at you. You’ve… seen us, I guess. But not really looked.” Jessica gestured vaguely at herself, then at Jean. “Not like we just looked at you. It’s only fair.”

Jean’s grin faded into something more thoughtful. She glanced at Mark, then down at herself. “Yeah. Okay. That’s fair.”

“It is?” Mark’s voice cracked.

“Sure.” Jessica shrugged a bare shoulder. “We’re all just… bodies here, right? Trying to figure out the manual. Come here.”

She didn’t mean come to her across the room. She meant look. She leaned back on her hands, presenting herself with a blunt, open curiosity that mirrored their earlier inspection of him. The faint golden hair, the soft folds beneath, still gleaming slightly with pool water or sweat. There was no seduction in it. It was an offering of data.

Jean followed suit, though her posture was slightly more closed, one arm crossing over her stomach. “See?” she said, her voice softer. “Different than yours. Obviously. But also different from each other. Jess is… neater.”

“I am not neater,” Jessica objected, lifting her head to peer at Jean. “Yours just curls more. It’s like… mine is beach grass. Yours is those little vine things in the forest.”

Mark could only stare. The frantic, voyeuristic glances he’d stolen for years at the pool or in hallways were nothing like this. This was sanctioned. This was mutual. His shame began to recede, replaced by a dazed, hyper-focused attention. He saw the subtle differences in their skin tone, the way Jessica’s hip bones were more pronounced, how a pale, forgotten sunscreen streak dotted Jean’s inner thigh.

“It’s not just the hair,” Mark heard himself say. His voice was rough. “The… shape. It’s different too. Underneath.”

Jessica raised an eyebrow. “Go on.”

He felt like he was in a lab, a terrifying, exhilarating one. He pointed a hesitant finger towards Jessica, not touching, just like she had done. “Yours is… more closed? Like a straight line. Jean’s is… fuller. Rounder.”

Jean looked down at herself, then at Jessica, her eyes widening. “Huh. He’s right.”

“See?” Jessica said, a trace of triumph in her voice. “Comparison. Data. It’s useful.” She then looked directly at Mark. “Your turn. I mean, we saw the main event. But not the rest. Stand up.”

The command brooked no argument. Mark, moving on autopilot, pushed himself up on trembling legs. He stood before them, his jeans and boxers still pooled around his ankles. He felt utterly, completely displayed.

Both their gazes traveled up, past his now-softening cock, over his stomach, his chest. He was lean from swimming, but soft compared to their defined athleticism.

“You have that line,” Jean said, pointing to the indent of muscle leading from his hip. “The swimmer’s V. We have that too, but it’s subtler on us.”

“Your skin is paler where your speedo is,” Jessica noted clinically. “Way paler. We don’t get that line as bad because our suits cover less.” She leaned forward, peering. “You have a freckle. Right there.” She touched her own hip, mirroring the spot.

He looked. He did have a freckle there. He’d never noticed.

For a few minutes, they just talked. The dialogue was light, almost absurdly casual, as if discussing homework. They compared navels, the faint tan lines on their shoulders from tank tops, the little scars and marks from childhood. Jean had a small, silvery scar on her knee from a coral cut. Jessica had a mole on her ribcage. Mark had a birthmark on his thigh that looked vaguely like Kanto.

The terrifying intimacy of minutes before melted into something else—a shared, vulnerable exploration. The unspoken questions of years were being answered not with whispers or stolen glances, but with plain, awkward speech and pointed fingers.

Jessica reached out and poked his stomach, making him flinch. “You’re tensing. Relax. We’re just looking.”

“It’s weird,” he breathed.

“It’s so weird,” Jean agreed, laughing a little. “But it’s also… not. It’s just us. We’ve known each other since we were kids building sand forts. Now we’re just… older. And the forts got more complicated.”

Mark looked at her, at the honest warmth in her eyes, and felt a knot in his chest loosen. He looked at Jessica, her blond hair catching a stripe of sun from the curtain, her face serious and open. The arousal was still a low hum in his blood, but it was tangled now with something else—a profound, disorienting closeness.

Jessica finally stretched, her spine letting out a soft pop. “Okay. I’m getting a cramp. And the mat’s kind of gross now.” She nodded to the drying mess beside them.

The spell broke, but gently. The real world—the humid dorm room, the distant sounds of campus—seeped back in.

Jean stood up first, brushing off her knees. She didn’t immediately pull her skirt up. She just stood there for a moment, comfortable in her skin in a way Mark knew he wasn’t. Yet. Jessica followed, grabbing her skirt and stepping into it in one fluid motion.

Mark quickly bent, hauling his boxers and jeans up over his hips, his fingers fumbling with the button. By the time he was dressed, they were too. They were just three friends in a messy dorm room again. But the air was different. It crackled with a shared secret, a door kicked open that couldn’t be closed.

Jessica walked to the small fridge and pulled out three bottles of water. She tossed one to Jean, then handed one to Mark. Her fingers brushed his.

“So,” she said, cracking the seal on her bottle and taking a long swig. She wiped her mouth with the back of her hand. “Dorm organization. We still need to do that. And now I’m thinking we definitely need a new floor mat.”

And now I’m thinking we definitely need a new floor mat.”

They worked in a charged, productive silence for the next hour. The awkwardness didn’t vanish, but it morphed into something purposeful. Mark hauled boxes of old swim meet programs to the recycling chute. Jean folded a mountain of soft, sun-faded t-shirts. Jessica ruthlessly purged a drawer of tangled charger cables and dried-up pens.

Every accidental touch carried a new voltage. When Mark reached past Jessica to grab a stack of books, his forearm brushed her bare shoulder. She didn’t flinch. She just held her position, a faint tremor passing between them before he took the weight and stepped back. Jean watched them from the corner of her eye, a small, private smile playing on her lips.

The room transformed. The clutter retreated into labeled storage cubes. The fan now cooled clean, open space. The offending mat was rolled up and shoved into the hallway for disposal. Standing in the newly ordered calm, the three of them surveyed their work. The physical evidence of the afternoon was gone, but the knowledge hung between them, thick and undeniable.

“I’m starving,” Jean announced, pressing a hand to her stomach. “Actual food. Not dining hall slop.”

“The Nautilus?” Jessica suggested, referring to the dim, always-noisy fish shack near the marina.

“Too loud,” Mark said, surprising himself by speaking. He wanted to keep them, this fragile new unit, contained a little longer. “What about Bertie’s?”

Bertie’s All-Day was a faded vinyl-booth diner a block off campus. The lighting was kind, the fries were crisp, and nobody ever bothered you. It was their default.

A unanimous, silent agreement passed between them. They collected wallets and keys, stepping out of the cool dorm into the violet evening. The planet’s twin moons were already rising, one a pale sliver, the other a heavy orange disc. The humid air smelled of night-blooming jasmine and distant salt marsh.

They walked in a loose triangle, not quite touching. The tension from the room unspooled into the open air, mingling with the normal sounds of campus life—laughter from an open window, the whir of a passing cyclist.

Bertie’s was half-empty. They slid into their usual booth at the back, red vinyl squeaking under their thighs. The menus were sticky. Jessica didn’t open hers.

She waited until the waitress had dropped off three waters and taken their usual orders—burgers for the girls, a club sandwich for Mark—before she spoke. She traced a bead of condensation down her glass with one finger, her gaze fixed on the action.

“So,” she said, her voice casual, but with an underlying intensity. “Earlier. When it… finished. That stuff came out.”

Mark felt his ears grow hot. He nodded, staring at a scratch in the table’s Formica.

“Right.” Jessica looked up, first at Jean, then at Mark. Her blue eyes were clear and inquisitive. “I’ve been thinking. The rumor, the one we all hear in health-skip class. They say the penis is supposed to go inside the vagina. During sex.”

Jean sucked in a quiet breath, her cheeks flushing. She nodded slowly, picking at the edge of her paper placemat. “I heard that too. From my cousin, who whispers. She said that’s how the man’s part fits into the woman’s part. For making babies.”

“Fit,” Jessica repeated, turning the word over. She looked at Mark directly. “Is that… what it’s for? I mean, logically, the shape… it’s kind of a delivery system, right? For that… substance.”

Mark’s mouth was dry. He took a gulp of water. The clinical tone she used was the only thing keeping him from bolting. “I guess. Biologically. That’s what the diagrams imply. But they never show it… working.”

“But why that way?” Jean leaned forward, her voice a conspiratorial whisper. The mundane diner sounds—the clatter of plates, the fryer hissing—created a bizarre backdrop for the conversation. “It seems so… convoluted. And messy. Why not just, I don’t know, exchange a fluid sample? Like in a lab?”

A startled laugh escaped Mark. The absurdity of it, discussing interstellar biology in a diner booth, loosened something in his chest. “Efficiency isn’t really evolution’s thing, I think.”

“But the design,” Jessica insisted, tapping her finger on the table. “You have this… appendage. That gets rigid. And I have an… opening. That can apparently stretch. The mechanics suggest insertion. The rumors confirm it.” She frowned, thinking it through like a physics problem. “But what’s the purpose of the insertion itself? Beyond delivery. Is it… stimulation? For who?”

Mark’s mind blanked. He had questions, not answers. “I don’t know. The books never say. They just say ‘sexual intercourse’ and draw arrows.”

“Maybe it’s about connection,” Jean said softly. Both of them looked at her. She shrugged, her gaze falling to her lap. “Not just baby-making. But, like… closeness. The most possible closeness. Skin to skin, inside and out. It’s… literal.”

The waitress arrived with their plates, the moment fracturing under the weight of loaded nachos and sizzling burgers. They thanked her, mechanically unwrapping cutlery from paper napkins.

They ate in silence for a few minutes, the earlier conversation humming beneath the crunch of fries and the taste of salt and grease.

Jessica swallowed a bite of her burger. “Jean’s idea makes a weird kind of sense,” she said, wiping ketchup from her lip. “But it still seems like a design flaw. What if it doesn’t fit? What if it’s… uncomfortable?”

“What if it feels good?” Mark heard himself say.

They both stared at him. He focused on spearing a fry with his fork.

“You think it would?” Jessica asked, her head tilted.

“I have no idea,” he admitted, looking up. The honesty felt dangerous and necessary. “But things that are sensitive… sometimes contact feels… not bad. In theory.”

Jean was watching him, her food forgotten. “Earlier,” she murmured. “When I touched you. And you shook. Was that… not bad?”

The vinyl booth suddenly felt like a confessional. Mark held her gaze. “No,” he said, his voice low. “That was not bad.”

Jessica looked back and forth between them. She didn’t look jealous. She looked fascinated. “So maybe it’s a feedback loop. Stimulation leading to release. For both parties. In an ideal scenario.” She took another bite, chewing thoughtfully. “We’d need more data.”

Mark almost choked on his sandwich. Jean kicked his shin gently under the table, a silent warning mixed with shared panic.

“Not like that,” Jessica clarified, though a faint smirk touched her lips. “I mean, theoretically. We’re just speculating.” She spun a fry in a pool of ketchup. “But it is fascinating. The entire system is built around this one, specific, mechanical act. And almost none of us understand how it actually works until we’re stumbling through it in the dark.”

“Maybe that’s the point,” Jean said. “The stumbling. Figuring it out with someone else.” She glanced at Mark, then quickly away. “Instead of alone.”

The check arrived, a cheap plastic tray holding their greasy bill. They all reached for it at once, their hands stacking in a pile. They froze, fingers interlaced over the slip of paper. A shock of static, of warm skin, traveled through the knot.

Jessica pulled her hand back first. “I’ve got it.” She tossed a few credit chits onto the tray.

They slid out of the booth, their bodies humming with the unresolved speculation. The walk back to Carson Hall was quieter, the twin moons casting overlapping, tangled shadows on the path before them. The question hung in the jasmine-scented air, heavier than the humidity: not if, but how, and when, and with who, would they ever move from speculation to data.

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