Cover of Forbidden Chemistry

Forbidden Chemistry

Read the story

2 chapters · 3783 words · Read 0 times

Write a highly erotic and passionate sex story between Samarth and Subhagi. Samarth is a chemist and meets Subhagi while during a summer internship, they have 2 highly steamy interactions during their alone time in the lab in the secluded room with a drying machine and once in the side room of the fluorescence spectrometer. But, on the last day of Subhagi leaving the internship, she comes with her slightly wet open hair, her curly slightly longer hair have a shampoo smell, her neck has a smell of a strong perfume, and Samarth tries to ignore her the entire day in order to not get seduced by her, but finally before going, she asks to meet him in the fluorescence room. There she asks him for a hug, Samarth cannot control himself anymore, he hugs her tightly, then starts kissing her neck, slowly he moves to her lips, kissing her passionately. Subhagi starts moaning, her moans make Samarth more and more aroused. He wants Subhagi right then and there. He picks her up and then takes her to the side room which is more secluded and inside the initial room. He then slowly drops her of the floor, and lies down between her legs, humping her with his 15 cm long penis while kissing her hard, licking her neck, pulling her hair back and biting her neck. Subhagi can't take it anymore and starts requesting for Samarth to fuck her hard. Subhagi removes her kurti, then removes her jeans. Samarth starts to remove his clothes and only leaves his underwear, so his huge dick is very visible. Subhagi starts biting her lips and moaning loudly as Samarth removes her bra and starts aroused nipples with her medium boobs, he then slowly goes down and removes Subhagi's underwear, kissing slowly until he reaches her vagina. He starts licking her vagina and pressing her boobs, the way his hands move with her boobs and pulling her hair makes Subhagi her aroused. She screams and asks him to fuck her. Samarth doesn't do this. He goes up to kiss her, bite her lip, and then suddenly, he takes his dick out of the underwear and in a swift, very hard way, pushes in into Subhagi's vagina, he rims her hard while Subhagi keeps on screaming. He doesn't care for her screams because he knows they will turn into pleasure soon. As he knows, Subhagi starts feeling pleasure more and more, she starts enjoying him make love to him. She starts to call his name. Samarth also calls Subhagi's name. Finally subhagi cums, but Samarth is not done, he still has his dick strong. Subhagi then goes down on him.

Chapter 2: The Last Experiment

The world came back in pieces. The cool, firm edge of the desk against Subhagi’s thighs. The relentless, gentle hum of the spectrometer. The sharp, clean scent of the lab now layered with something warmer, more human.

Samarth’s forehead rested against hers, their breathing synchronizing into a slow, ragged rhythm. She could feel the rapid drum of his heart against her own chest, a counterpoint to the machine’s steady electronic pulse. His arms, still wrapped around her, were trembling slightly.

“Okay,” she whispered into the space between them. Her voice sounded strange to her own ears—husky, used.

He pulled back just enough to look at her. The usual guarded calm in his eyes was gone, replaced by a dazed, vulnerable intensity. “Okay?” he echoed, the word a question, a check-in.

She nodded, a slow, genuine smile spreading across her face. “Yeah. Okay.” She shifted, wincing slightly at the new, deep-set ache. A pleasant throb. A souvenir, indeed. “So that’s… that.”

A short, breathless laugh escaped him. He straightened up, running a hand through his hair, leaving it more disheveled than any experiment ever had. “Yeah. That’s that.” He looked at the lab coat crumpled on the floor, then at their scattered clothes. The reality of the setting seemed to crash back onto him. “God, we’re in the spec room.”

“The best data is always collected off-protocol,” Subhagi said, her old playful tone returning, though it was softer now. She reached for her blouse, but didn’t put it on just yet. The air felt good on her skin.

He bent to pick up his own clothes, moving with a new, unselfconscious ease in his nakedness. She watched the muscles of his back shift, the efficient motions. The shyness was absent now, burned away in the urgency of what they’d just done.

“You’re staring,” he said without turning, a hint of a smile in his voice.

“I’m observing. It’s a scientific internship, remember?” She finally tugged her blouse on, her fingers fumbling with the buttons. “Hypothesis: Samarth is less nervous post-coitus.”

He pulled his jeans on and turned, leaning back against the spectrometer again, watching her. “Post-coitus.” He shook his head. “Only you.”

“What? It’s accurate.” She hopped off the desk, her legs a little unsteady. He took a half-step forward, a hand automatically coming out to steady her elbow. The gesture was so instinctive, so caring, it made her chest tighten. “See? Very gallant. The before and after samples are markedly different.”

He didn’t let go of her elbow. His thumb stroked a slow arc on her skin. “The before sample was an idiot. Scared of a 21-year-old intern.”

“A very formidable intern.” She leaned into his touch. “So… what happens now? To the data?”

The question hung in the ozone-scented air. The practical world was nudging its way back in, with her flight home in two days, his continued work at the lab, and a thousand miles of separation.

Samarth’s gaze dropped. He’d never been good at this part—the part after, where feelings had to be named and futures negotiated. His expertise was in definite reactions, clear endpoints. This was all messy variables.

“I don’t know,” he said, honestly. “I’ve never… I mean, at work…”

“It’s my last day,” she finished for him, her voice quiet. The jolliness faded, leaving something more raw beneath. “I know.”

“Is this… was this just the one thing?” The question cost him. He looked up, forcing himself to meet her eyes. “The souvenir?”

Subhagi was quiet for a long moment. She walked to the doorway of the small side room, looking out into the dark main lab, the skeletal shapes of other instruments silhouetted in the emergency exit lighting. “I came in here for a kiss,” she said finally. “I got… a lot more than that.” She turned back to him. “It wasn’t just a thing for me. Was it for you?”

“No.” The answer was immediate, solid. “God, no, Subhagi. It wasn’t.”

She nodded, seeming to draw strength from his certainty. “So the data is inconclusive. Requires further study.” A tentative hope brightened her face. “Maybe… collaborative research? Long-distance, to start.”

A slow smile broke across his face, the kind she’d rarely seen—unburdened, bright. “I have a lot of frequent flier miles. From conferences.”

“Academic collaboration is very important,” she agreed, stepping back toward him. She traced a finger down the center of his still-bare chest. “We could write a paper. ‘Observed Interactions in Secluded Laboratory Environments.’”

He caught her hand, lacing his fingers with hers. “Peer review might be tough. Our methodology was pretty unique.”

They stood there, holding hands amidst the humming machines, the absurdity and the rightness of it all wrapping around them. The tension was gone, replaced by a buzzing, warm exhaustion.

A sudden, loud clang echoed from the hall outside—the janitorial cart hitting a doorframe.

They jumped apart, the spell of seclusion shattered. Samarth grabbed his shirt, yanking it on. Subhagi smoothed her hair, her eyes wide with a sudden, giddy alarm.

“Door’s locked, right?” she hissed.

“Yeah. Yeah, it’s locked.” He was whispering too, fastening his belt. “But he has a key for the trash.”

They stood frozen, listening. The squeak of wheels moved past their door, down the hall. They let out a simultaneous, held breath.

Subhagi giggled, a hand clapped over her mouth to stifle the sound. It was a contagious, relieved sound. Samarth found himself grinning again, the adrenaline mixing with the leftover glow.

“We should probably… not be here,” he said, his voice low.

“Probably.” She gathered her bag, her movements quick and quiet. She looked around the small room one last time—the desk, the spectrometer, the faint impression of where they had been. A sacred, secret spot in the universe.

Samarth pulled on his lab coat over his rumpled clothes, becoming the picture of the professional research chemist again. Only his eyes, when they met hers, betrayed the transformation.

He unlocked the door and peered out. The coast was clear. He gestured for her to follow.

They walked side-by-side through the dark lab, not touching, but the space between them crackled with a new, unspoken understanding. At the main door, he keyed in the code to disable the alarm.

Outside, the summer night air was a shock—warm and thick, a stark contrast to the lab’s sterile chill. Crickets chirped in the landscaping.

Subhagi turned to him on the steps. “So. Tomorrow. My official last day.”

“Right.” He shifted his weight. “There’s the group lunch. At one.”

“I’ll be there. With a suitably professional demeanor.” She gave him a look that was anything but professional.

“I’ll believe it when I see it.” He paused. “And after the lunch?”

She shouldered her bag, a thoughtful look on her face. “My flight isn’t until super late. I was thinking… my hostel room is pretty empty. My roommate already left.” She let the suggestion hang, a soft challenge in her eyes.

Samarth felt that now-familiar lock in his chest release. The shyness wasn’t gone, but it was no longer in charge. “I could help you pack,” he said, straight-faced. “Make sure you don’t forget anything.”

“I’d appreciate that,” she said, leaning up to press a quick, soft kiss to his lips. It was different from the ones before—a promise, not a provocation. “Goodnight, Samarth.”

“Goodnight, Subhagi.”

She walked away towards the bike stands, her steps light. He watched her until she vanished around a corner, the faint trace of her shampoo lingering in the humid air. He stood on the steps for a long time, not going back inside, just feeling the night settle around him. The hum of the spectrometer was gone, replaced by the distant city, and a new, quiet hum inside his own veins. The experiment was over. Something else, something tremulous and real, had just begun its first, tentative reaction.

Something else, something tremulous and real, had just begun its first, tentative reaction. It followed him home, that hum, a phantom vibration in his bones that no amount of shower water could rinse away. He lay in the dark, the memory of her against the desk vivid and relentless, and wondered how he’d ever found the spectrometer’s hum soothing before.

The next day’s group lunch was a special kind of agony. Subhagi, true to her word, was the picture of professional cheer, regaling the senior researchers with polished anecdotes about her summer learnings. She only glanced his way once, a slow blink that felt like a physical touch across the crowded table. Samarth nodded at appropriate intervals, contributing little, his mind entirely in the past and the imminent future.

“So, all packed up?” Dr. Mehta asked her, sparking a round of goodbyes.

“Almost,” Subhagi said, smiling. “Just the last few bits. Samarth offered to help me carry some textbooks to the post office later.” The lie was so smooth, so casually delivered, that he almost believed it himself.

Later found them not at a post office, but standing outside her hostel room, a space that smelled of stale air and impending departure. Cardboard boxes were stacked near the door. “Roommate’s gone,” she said, unlocking it. “So, you’re off the clock. No more Dr. Mehta.”

The door clicked shut behind them, and the lab’s constructed formality evaporated. Here, the light was different—harsh afternoon sun slicing through a half-closed blind, illuminating dust motes dancing over her narrow single bed. Her confidence in the spectrometer room seemed to have stayed there. She stood by her desk, picking up a discarded hair tie, her movements uncharacteristically tentative.

“This is less glamorous,” she said, a slight apology in her voice.

“It’s real,” he said, and that seemed to be the right thing. He placed a hand on her shoulder, turning her gently to face him. The jolly, teasing intern was gone, and in her place was just Subhagi, a young woman on the edge of leaving, who had let him see something true. He kissed her, not with the desperate hunger of the previous night, but with a slow, searching pressure. A question.

Her response was a soft sigh, her body melting against his. This time, there was no machine to brace against, no fear of discovery—just the quiet of an empty building and the sound of their own breathing. He walked her backwards until her knees hit the bed, and they sank down together onto the thin mattress.

The urgency was tempered now, replaced by a dizzying permission to go slow. He explored her more. His lips left hers to trace the line of her jaw, the flutter of her pulse in her throat. He found the scent of her shampoo again, stronger here at the nape of her neck, mixed with the salt of her skin. His hands, which had been so focused on removal the night before, now learned the landscape of her through her cotton t-shirt—the dip of her waist, the subtle curve of her ribcage, the wonderful, yielding softness of her stomach.

“You’re so soft here,” he murmured against her skin, his palm flat just below her navel. She shuddered, her fingers digging into his shoulders.

“I’ve never… nobody’s ever just…” Her sentence fragmented into a gasp as his thumb brushed the underside of her breast.

“Talk to me,” he said, pulling back to look at her. Her eyes were wide, dark pools. “Tell me what feels good.”

“That. That does.” Her voice was a scrape. “Just… don’t stop.”

He peeled the t-shirt over her head, then his own, the action deliberate. The afternoon light gilded her skin. He took his time, mapping her with his mouth, learning the sounds she made—a sharp intake when he nipped at her collarbone, a low hum when he laved a peak through the lace of her bra. He unhooked it with a practiced ease that made her blush, and then his experience melted away into genuine awe. He explored her more, his worship tactile and patient. He felt the goosebumps rise under his tongue, heard her breath hitch and accelerate.

When his hand slipped between them, past the waistband of her shorts, she went perfectly still. “Okay?” he breathed into the space between her ear and her pillow.

She nodded, her curls rustling. “Yes. Just… new.”

He found her wet and warm, and her whole body arched at the first intimate touch of his fingers. He explored her more, a gentle, steady rhythm, watching her face contort in a struggle between sensation and self-consciousness. “Nobody’s watching,” he whispered. “Just feel it.” He kissed her temple, her eyelid, as his fingers worked, until the tension in her limbs dissolved into a loose, pliant trembling.

A soft, broken sound escaped her lips, something between a cry and a sigh, and her back bowed off the bed as she fell apart against his hand. He held her through it, fascinated, until the last tremor subsided. She blinked up at the ceiling, dazed, then turned her head to look at him.

“Oh,” she said, a world of stunned understanding in the syllable.

He smiled, a real, unguarded smile. “Yeah. Oh.” He shifted, the hard press of his jeans against her thigh a blunt contrast to the gentleness of his fingers. The question was there, hanging in the dusty air.

She answered it by rolling onto her side to face him, her hand coming down to fumble with his belt buckle. Her inexperience was clumsy, endearing. “I want to see,” she said, not as a tease, but as a simple statement of curiosity. “I didn’t, really, last night. It was all… fast.”

He helped her, and when she finally saw him, fully aroused, her eyes widened. She didn’t flinch. She reached out, her touch feather-light at first, then more confident, wrapping her fingers around him. He sucked in a breath. “Okay,” she whispered, more to herself than to him. “Okay.”

She guided him to her, and this time, the joining was slow, a gradual, breathtaking descent. There was no frantic haste, only the profound, stretching fullness that made her eyes well up for a second before she blinked the tears back. He moved with a deep, measured patience, his gaze locked on hers, every shift and adjustment communicated through whispers and hitched breaths.

The momentum built not in a frantic rush, but like a tide coming in, inevitable and deepening. Her nails scored his back, her legs wrapping around his hips to pull him closer, deeper. The headboard tapped a soft, syncopated rhythm against the wall, a companion to their stifled moans.

When his control finally frayed, it was with her name bitten into the skin of her shoulder, a muffled, guttural sound. She clung to him as he shuddered, her own body trembling with a second, quieter climax that felt like an echo of his.

The setting sun had moved, painting a new stripe of gold across the floor. The hum inside him was different now—deeper, resonating in a newly carved-out space in his chest. She traced the line of his spine with a fingertip.

“So,” she said, her voice sleep-rough. “That’s collaborative research.”

He laughed, the sound vibrating through both of them. “Preliminary findings are very promising.” He propped himself up on an elbow. Her flight, the distance, loomed larger now, a shadow at the edge of the warm, tangled bed. “Subhagi…”

She placed a finger over his lips. “Don’t. Not yet.” She shifted, wincing slightly, and tucked herself against his side, her head on his chest. “Just be here for ten more minutes. Then we can panic about the rest.”

Read on DreamPress

Write your own erotic story with AI