The sterile hum of the laboratory faded into the background as the four biologists gathered around the display screen. Detailed anatomical models of human reproductive systems flickered in holographic blue—clinical, precise, and detached. But the air between them was anything but.

Gus leaned against the counter, his muscular arms crossed, a smirk playing on his lips. He had always possessed an effortless charm, a side effect of his carefree arrogance, and today, his storm-gray eyes drifted repeatedly toward Inez. She was bent over the console, her curves accentuated by her snug lab coat and the sway of her wide hips. Her long, flaxen hair cascaded in soft waves, catching the fluorescent light, and her red lips curved knowingly whenever she noticed his gaze.

Avery adjusted his glasses with a preoccupied sigh, his tousled dark blonde hair falling into his intense ocean-blue eyes. He was the most studious of the group, but even he couldn’t ignore the electricity in the room. "Remarkable how little we still understand about human tactile response in these scenarios," he muttered, half to himself.

Shard, the bioengineered man-lizard hybrid, flexed his clawed fingers, his reptilian pupils narrowing as he studied Inez with open hunger. His green-scaled chest rose with deep, measured breaths, betraying his restraint.

"Maybe we need a more... hands-on approach," Inez purred, straightening to flash them all a sultry look. Her seafoam eyes sparkled with mischief as she rolled her shoulders, letting her coat slip just enough to bare a teasing sliver of collarbone.

Gus chuckled, pushing off the counter. "Always the scientist, aren’t you?"

"Oh, but observation is only half the process," she murmured, stepping closer. The white heels she wore clicked against the linoleum, echoing in the charged silence. "Don’t you think some real-world data would be illuminating?"

Shard needed no further invitation. With a growl that rumbled from deep in his chest, he closed the distance between them in one stride. Inez gasped as his powerful hands gripped her waist, lifting her effortlessly onto the lab table. His forked tongue flicked out, tracing the line of her jaw before his mouth crashed into hers.

The kiss was rough, possessive, his scaled fingers tangling in her hair. Inez moaned, her manicured nails scraping against his back as he pushed her onto her back, his hips pinning her down.

Gus watched with heated fascination, his pulse quickening as Shard’s strong claws shredded the thin fabric of Inez’s clothes. The lizard-man’s muscular form coiled over her, his tail twitching with predatory anticipation. With a single, forceful motion, he sheathed himself inside her.

Inez arched, crying out as Shard’s thrusts drove into her with primal intensity. His powerful movements made her belly ripple obscenely with each deep, relentless push. Gus exhaled sharply, his cock throbbing at the sight, while Avery adjusted his glasses again—not in discomfort, but in quiet awe.

The air grew thick with the sounds of skin on skin, of ragged breaths and the slick pulse of desire. Shard’s scaled hands gripped Inez’s hips hard enough to bruise as his pace became erratic, his growls deepening into near-feral snarls. With one final punishing thrust, he buried himself to the hilt, erupting inside her with a guttural groan.

Panting, Inez lay boneless beneath him, her chest heaving as Shard pulled away, leaving her trembling. But before she could recover, Gus was there, kissing her with a hunger that matched his earlier gaze. Avery, ever the scholar, traced the contours of her body with his fingertips before positioning himself behind her.

"Fascinating," he murmured, his voice rough as he slid inside her in one smooth motion, eliciting a sharp cry from her lips. Gus’s hands caressed her curves as he entered her from the front, filling her completely, stretching her in ways that made her vision blur with pleasure.

The rhythm they set was punishing, relentless—each thrust angled to wring ragged moans and breathless pleas from her. Inez clawed at Gus’s shoulders, her nails biting into his skin as Avery’s grip on her hips tightened, his own pleasure evident in the flush creeping up his neck.

When their climaxes crashed over them in waves, Inez writhed between them, her body quaking with oversensitivity. Gus groaned as he spilled inside her, his lips sealing against hers in a searing kiss. Avery followed, shuddering against her back, his breath hot against her skin as he pulsed deep within.

For a moment, the only sounds were their mingled panting and the dull hum of the lab equipment. Then, slowly, Inez propped herself up on shaky arms, her cheeks flushed crimson.

"Well," she breathed, flashing them all a wry, satisfied smile, "I’d say we’ve just conducted the most comprehensive study of human anatomy this lab has ever seen."

Gus laughed, running a hand through his ash-brown hair. "I’d give that hypothesis an A+."

Avery adjusted his glasses again, though they were slightly askew. "The data was certainly... persuasive."

Shard’s yellow eyes gleamed as he licked his lips, tail flicking lazily. "Perhaps we should replicate the experiment. For accuracy."

Inez smirked, stretching her languid limbs. "Oh, doctor," she teased, "I was just thinking the same thing."

And as the lab doors locked behind them, the monitors flickered off, leaving only the afterglow of passion—and the unspoken understanding that some sciences were best explored personally.