Chapter 1: Bikini and a Bulge
The Caribbean sun was a physical weight, a dense blanket of heat that made the air over the turquoise bay shimmer. Sophie stood with Tom on the creaking wooden dock, the salt tang sharp in her nose, and tried to listen to the guide’s instructions. But her attention kept slipping.
Marco was all lean, ropy muscle and deep tan. His board shorts hung low on his hips, and his chest was a map of sun-bleached hair and hardened planes. As he pointed out the safety features on the two jet skis, his bicep flexed, a knot of corded strength. Sophie felt a quick, unwarranted flush creep up her neck. She looked away, over the breathtaking water, but her gaze kept drifting back.
“I don’t know, honey,” she said, leaning into Tom. “They look fast. I’m kind of nervous to go solo on my first try.”
Tom squeezed her waist. “You’ll be fine! It’s like a scooter on water.”
“For you, maybe. You have the coordination.”
Marco flashed a smile, white against his skin. His eyes, a startling light blue, held hers. “I take new riders out all the time. Why don’t you hop on with me? I’ll show you the ropes, get you comfortable. Your husband can follow us on the other one. We’ll start slow.”
Tom nodded enthusiastically. “Perfect! That way you won’t be worried. You can just enjoy it.”
Sophie felt the decision click into place, a little thrill threading through her apprehension. “Okay. Yeah, that sounds better.”
“Great.” Marco’s smile was all easy confidence. He swung a leg over the larger jet ski and fired the engine, a sudden, aggressive growl that vibrated through the dock. He nudged it parallel to the planks. “Your chariot, madam.”
Tom gave her a quick peck on the cheek. “Have fun! Don’t let him tip you.” He walked over to his own machine, his focus already on the throttle and the horizon.
Marco extended a hand. His grip was firm, his palm rough with calluses. She stepped down onto the floating machine, its balance unsteady beneath her. The world wobbled.
“Easy,” he said, his voice close. His other hand came to rest on the small of her back, just above the tie of her bikini bottom. The touch was warm, deliberate. “Just settle in front of me.”
She lowered herself onto the vinyl seat, acutely aware of the space behind her. He slid on immediately, his body molding against hers. His thighs framed her hips, solid and warm. His hands settled on her waist, his thumbs just brushing the sensitive skin of her lower stomach.
“Comfortable?” His breath was warm against her ear.
She giggled, the sound a little too high. “Very. Thanks.”
He was close. So close she could feel the heat radiating from his chest against her bare back. And she could feel him, the firm, thick press of him against the curve of her ass, even through both layers of their swimwear. He wasn’t hard, not yet, but the sheer, unignorable size of him sent a jolt of pure, undiluted awareness straight through her. A blush heated her cheeks, and she was grateful he couldn’t see her face.
“Hold onto these,” he said, his voice a low rumble she felt in her spine. He guided her hands to the rubber grips on either side of the seat, his fingers lingering over hers for a beat too long. “I’ve got you. Ready?”
“Ready.”
He eased the throttle. The jet ski moved forward with a quiet purr, leaving the dock and a waving Tom behind. They glided slowly across the glassy surface of the protected cove. Every slight bump of a wave transferred motion through their bodies, a rhythmic rock that kept her pressed back against him.
“So, you come here often?” she joked, needing to break the intense, silent focus on the sensation of his body against hers.
“Only every day,” he laughed. “Best office in the world. Especially with views like this.”
She knew he wasn’t talking about the coastline. The flirtation was obvious, a game. It was fun. Harmless. Her husband was a hundred yards away, watching. She leaned into it. “I bet you say that to all the tourists.”
“Only the ones who look like they can handle a little adventure.”
They cleared the mouth of the cove. The open water was slightly choppier. “Okay, let’s see what this can do,” Marco said, and his arms tightened around her.
He opened the throttle.
The acceleration was a visceral punch. The machine leaped forward, slapping against the waves. Sophie shrieked, a mix of terror and delight. The wind tore at her hair, the spray kissed her skin. And her body, already sensitized, was thrown into a state of pure physics.
With every jarring impact, her generous breasts, barely contained by the flimsy triangles of her white bikini top, bounced wildly. The material was hopeless. On a particularly hard landing, a swift, upward jolt, the force was too much. First one, then the other, slipping free from their fabric cups, spilling out into the sunlight and the rushing air.
“Oh my god!” she laughed, the absurdity cutting through the shock. She clutched at the handles, unable to let go to fix herself.
Marco’s laughter echoed behind her, rich and unfazed. He didn’t slow down. “See? Adventure.” His gaze was like a physical touch, skimming over her exposed skin. “They’re very nice, Sophie. Really perfect.”
The compliment, so blunt and delivered in the middle of this chaotic, intimate moment, shouldn’t have thrilled her. But it did. A flush of pleasure mixed with the embarrassment. “Thank you,” she managed, the words whipped away by the wind.
Finally, he eased back on the throttle, bringing the jet ski to a gentler plane. “Want to get sorted?”
“Yeah, probably should before my husband catches up.”
His hands left her waist, held steady as she reluctantly let go of one grip. She fumbled, pulling the damp fabric back into place, retying the strings with fingers that felt clumsy. She was intensely aware of his eyes on her back, on her hands, on the entire process.
“All good?” he asked, his voice casual.
“All good.”
He didn’t move his hands back to her waist. Instead, he slid them higher, settling just beneath the curve of her breasts, his forearms a heavy, possessive bracket along her ribs. He pressed closer, if that was possible. Now, she could feel him hardening distinctly against her, a slow, insistent pressure.
“You feel that?” he murmured, his lips almost touching her ear. “That’s what you do. Just by breathing.”
Sophie’s own breath caught. The sun, the speed, the salt, and this beautiful, brazen man holding her, wanting her—it was a potent cocktail. Her body sang with it. But beneath the thrill, a cold, clear needle of guilt pierced the haze. Tom. Trusting, sweet Tom, zooming along behind them, completely oblivious.
The guilt was a cold stone in her gut, but the warmth spreading through her lower belly was hotter. She focused on the horizon, the dazzling line where sky met sea. Tom was somewhere behind them, a distant buzz on the water. She could just make him out if she turned, a speck bouncing in their wake. He was having the time of his life.
Marco’s forearms tightened, his thumbs stroking idle circles just below the swell of her breasts. “You are seriously gorgeous, you know that?” His voice was low, meant only for her over the engine’s growl. “That husband of yours is a lucky man.”
It was a line. She knew it was a line. But delivered with that rasp, with his body solid and real around her, it felt like a truth she’d been waiting to hear.
“He tells me that,” she said, but her tone was playful, inviting.
“I bet he does.” Marco shifted subtly on the seat. The change in angle was deliberate. What had been a firm presence against her became an insistent, hardening pressure. A thick, unmistakable ridge pressing into the cleft of her ass through the thin layers of their suits.
Sophie inhaled sharply. The stone of guilt dissolved, vaporized by a surge of pure, adrenalized arousal. A giggle escaped her, nervous and excited. She arched her back, just a little, pushing herself more firmly against him in a slow, experimental grind.
The reaction was immediate. A rough groan vibrated through his chest and into her spine. His hands slid from her ribs, clamping onto her hips, holding her right there. “Jesus, Sophie.”
“What?” she teased, grinding again, feeling the powerful length of him with a clarity that made her head swim.
“You have no idea,” he breathed into her hair, his voice tight. “No fucking idea how bad I wanted to fuck you the second I saw you step onto that dock. In that tiny thing. I almost couldn’t speak.”
She laughed then, a wild, liberated sound lost in the wind and spray. It was too much. The admission was obscene, outrageous. It thrilled her.
His hands moved again, faster now. They came up and over, palms skimming up her stomach to cup the full, heavy weight of her breasts. He filled his hands with them right through the bikini top, his thumbs finding her nipples and rubbing slow, firm circles. The fabric was soaked, plastered to her skin, and it might as well not have been there.
She gasped, her head falling back against his shoulder. Her eyes squeezed shut. The world narrowed to the feel of his hands, the sun on her closed eyelids, the relentless, thrilling pressure of him against her backside.
“Feel what you do?” he growled, his mouth against her neck now. He bit down gently on the tendon, then soothed it with his tongue. “My cock is so fucking hard for you right now. Rock hard. I want to peel that little suit off you and bend you right over this seat.”
The image flashed in her mind, vivid and devastating. Her heart hammered against his palms. She was grinding against him in earnest now, a slow, desperate rhythm, chasing the friction. The jet ski drifted, engine idling, rocking on the gentle swells. She’d forgotten they were moving. She’d forgotten about the water, the sky, everything.
Everything except the buzz of Tom’s jet ski, growing steadily, insistently louder.
The buzz was a mosquito in her ear, then a hornet, then the roar of an engine. Tom.
Marco’s hands vanished from her breasts as if they’d been burned. He sat back, putting a few desperate inches of charged air between them. Sophie jerked forward, her own body suddenly cold where his heat had been. She fumbled for the handle grips, her knuckles white.
“You good up there?” Tom’s cheerful shout cut across the water. He pulled his jet ski alongside, bobbing in their wake, his face flushed with exhilaration. “Having fun?”
Sophie’s laugh was a brittle, shaky thing. “So much fun! It’s incredible!” She couldn’t look at Tom. She stared at the horizon, her heart trying to beat its way out of her chest.
“Marco showing you the ropes?” Tom asked, blissfully naive.
“Oh, he’s showing her a few things,” Marco said, his voice recovering its easy, professional charm with terrifying speed. He patted Sophie’s hip—a guide’s gesture, nothing more. “She’s a natural. Ready to try a few sharper turns?”
“Go for it!” Tom cheered. “I’m gonna race that channel marker!” He hit the throttle and shot away, a widening V of foam marking his path.
The moment he was a safe distance off, the energy between them snapped back into place, thicker and more dangerous than before. The interruption had done nothing but heighten the illicit thrill.
Without a word, Sophie leaned back into him. Not subtly. She ground herself against the solid, denim-covered ridge of his cock, a slow, deliberate rotation of her hips. A claim. An answer.
“Fuck,” Marco hissed, his hands flying back to her hips, digging in. “You’re going to kill me.”
His right hand slid from her hip, down over the front of her thigh, and then up again, underneath her. His fingers found the thin, soaked triangle of her bikini bottom. He pressed the heel of his palm firmly against her. Even through the fabric, the contact was electric. She was swollen, achingly sensitive, and he rubbed slow, insistent circles exactly where she needed it.
She moaned, her head lolling back against his shoulder. She was moving against his hand in a rhythm she didn’t choose, a primal, grinding pitch. Every nerve ending was on fire. The world blurred—the blue sky, the green water, all of it melting into a haze of sensation.
“You’re so wet,” he groaned into her ear, his voice ragged. “I can feel it through your suit. You’re dripping for me, aren’t you?”
She could only gasp, her hips stuttering.
His fingers hooked into the side of her bikini bottom, pulling the fabric aside. The touch of his bare, calloused fingers on her bare flesh was a shock so intense her vision sparked. He traced her slick folds, a rough, knowing touch that had her bucking against his hand.
“Do you want it?” he demanded, his voice a low, urgent growl against the shell of her ear. His finger teased her entrance, applying a devastating, promising pressure. “Do you want my big cock in you? Right here? I’ll fuck you so deep you forget your own name.”
The vulgarity, the absolute certainty in his tone, shattered the last fragile pretense. Loyalty, guilt, consequence—it all evaporated under the Caribbean sun, burned away by a need that was pure animal hunger.
“Yes,” she breathed, the word torn from her. She turned her head, her lips brushing his stubbled jaw. Her eyes were still on Tom’s distant figure, a small, safe punctuation mark on the horizon. “Do it. Please. Whatever you want. Just… do it.”
His response was a low, guttural sound that was more vibration than word. One arm banded around her ribs, locking her against him. The other hand fumbled between their bodies. She heard the rough tug of Velcro, the slide of a zipper. The world narrowed to the feel of his hand pushing her bikini bottom aside, the hot, blunt pressure of him against her.
Without pause he takes his cock out and helps her sit up a bit and then slides right into her soaking wet pussy.
The stretch was instant, breathtaking, a searing fullness that robbed her of air. She screamed—a raw, ragged sound lost in the wind and engine thrum. Not his name. It was just a scream, pure sensation tearing out of her throat.
He began fucking her. Hard. Deep, punishing strokes that drove the jet ski seat into her clit with every slam of his hips. The machine rocked violently with their motion, skittering across the water’s surface unmanned.
“Marco!” she finally choked out, her head thrashing back against his shoulder. “Oh god, yes!”
She loved his cock. The brutal thickness of it, the way it hit a place inside her that felt both forbidden and essential. She was vocal, unable to contain the gasps and cries that the relentless pace punched out of her.
“More!” she demanded, her hands scrambling for purchase on the handles, on his thighs, on anything. “Harder, please, harder!”
He obliged, his hips pistoning, his grip on her iron-tight. Her massive tits, freed again from the useless bikini top, flew and bounced with every jarring impact, a wild, rhythmic spectacle for the empty sea. The slapping sound of skin on skin mixed with the splash of water and the idle grumble of the engine. He was destroying her, dismantling every careful thought, every vow, with each primal thrust.
She came suddenly, a volcanic eruption that clenched around him, pulling a roar from his chest. He didn’t stop. He fucked her through it, extending the convulsions until they were screams again, until she was begging for him to stop and never stop in the same shattered breath.
His own release came with a final, deep grind, a hot pulse inside her that seemed to go on forever. He collapsed forward, his sweaty forehead against her spine, his body heaving.
Silence, except for their ragged breathing and the lap of water against the hull.
Reality rushed in, cold and shocking. The sun was too bright. The water was too blue. The stickiness between her thighs was a brand. She stared, numb, at the horizon. Tom was a speck in the middle distance, turning a wide, leisurely circle, waiting for them.
Marco slowly pulled out. He zipped his shorts with a soft, final sound. His hands, now gentle, helped her adjust her bikini bottom, pulling the fabric back into place. He reached around and cupped her breasts, tucking them back into the top, his fingers lingering for a moment on her overheated skin before tying the strings.
“You okay?” he asked, his voice hoarse.
She nodded, unable to speak. Her body thrummed, sated and utterly ruined. Her mind was a white static of horror and euphoria.
He straightened up, took the handles, and smoothly guided the jet ski back onto a course toward Tom. The professionalism was back, a mask slid into place so completely it seemed the last ten minutes had been a hallucination.
Tom waved as they approached. “There you guys are! Everything alright?”
“Perfect,” Marco called, his smile easy, his tone light. “Just showing her how to handle some chop. She’s a pro now.”
Sophie made herself smile. She made her voice work. “It was incredible,” she said to her husband. Her voice sounded strange to her own ears—thick, far away.
Tom beamed, proud and happy. “Great! Ready to head back in?”
“Yeah,” Sophie said. “I think I’m done for the day.”
As Marco piloted them back toward the distant dock, Sophie leaned back against him once more. He let her. His arms came around her, not in passion now, but in something that felt strangely like comfort. She closed her eyes, feeling the sun, feeling the echo of him inside her, feeling the vast, indifferent sea all around them. The creaking dock grew larger, a point of return. She had no idea who would walk onto those weathered planks—the woman who had left them, or the one she had just become.