Cover of The  Hummingbird

The Hummingbird

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A woman finds a magic dildo which makes her orgasm like she's never orgasmed before when she masturbates with it. But it seems like every time she uses it, it seems to change slightly. Is it getting larger? Is it changing her body along with it? Does she want it to get even bigger?

Chapter 43: Greedy

Cassandra’s hands, slick with pre-cum, couldn’t fully encircle the base of the monstrous cock. The sheer girth of it, the heat radiating from the flushed skin, was a triumph. She looked from it to Mona’s face, watching the woman’s lips part on a silent, panting breath. The other four cocks, each a formidable beast in its own right, lay twitching against Mona’s torso, demanding attention.

“Good,” Cassandra whispered, more to herself than to Mona. She released her grip and stood up on shaky legs. The muscles in her thighs trembled, but her expression was one of focused intent. She looked down at her own body, at the thatch of red curls between her legs.

Mona watched her, eyes glazed but tracking. “Cass… what are you…?”

“Shhh.” Cassandra’s voice was a low, husky command. She placed her hands on her own hips, fingers splayed. She closed her eyes for a second, concentrating. The memory of the sensation wasn’t just memory anymore; it was a pathway, a learned muscle. The profound, slick openness Ellie had discovered, the pocket of endless depth The Hummingbird had carved—Cassandra had felt its echo when Ellie was inside her. She remembered the shape of it.

A low, wet sound, like a sigh, broke the quiet.

Ellie, from the bed, saw it first. Cassandra’s entrance, already well-used, began to change. The swollen lips, glistening and parted, softened further. Then they began to visibly relax, to dilate. It wasn’t a violent stretching, but a profound, biological yielding. The opening widened, the inner muscles going slack and then opening further, revealing a deep, pink corridor that seemed to recede into shadow. It gaped, a hungry, wet mouth, far beyond any natural human capacity.

“Jesus fuck,” Ellie breathed, her own transformed body clenching in sympathetic recognition.

Cassandra opened her eyes. A smirk touched her lips. She looked down at Mona’s arsenal. “Now we’re talking.”

She knelt again, but this time she straddled Mona’s hips. The massive, dominant cock, the behemoth, lay between them, its tip pressing against Cassandra’s inner thigh. She ignored it for the moment. Reaching down, she took hold of three of the other cocks. Her hands, skilled and strong, grasped them at their roots—two in her right, one in her left. They were heavy, throbbing with life, dripping steadily.

“You ready for this?” Cassandra asked Mona, her tone almost conversational.

Mona could only nod, a quick, frantic jerk of her chin.

Guiding the three thick heads to her impossibly wide opening, Cassandra didn’t hesitate. She positioned them, the slick crowns nudging against her, spreading her even further. Then, with a controlled, powerful movement of her thighs, she began to lower herself.

The stretch was immediate and immense. Three broad heads pressed inward simultaneously, fighting for space at the threshold. There was a moment of fierce, burning pressure, a resistance that was both pain and the sharpest promise of pleasure. Cassandra gritted her teeth, a hiss escaping her. “Fuck… yes…”

She bore down.

They slid in.

The sensation was like being unzipped from the inside. Her body opened, accommodating the impossible girth. She felt every ridge, every pulsing vein of the three distinct shafts as they forged a path into her. The feeling of fullness was astronomical, a pressure deep in her pelvis that bordered on violence. She sank lower, taking them deeper, the sound of wet flesh sliding into wet flesh obscenely loud.

Mona cried out, a raw, shattered sound. The feeling of her cocks being sheathed, all at once, was a sensation that shot straight to The Hummingbird buried within her. The carved artifact hummed in response, a pleased, vibrating purr. The cocks inside Cassandra twitched and swelled further.

Cassandra didn’t stop until her ass rested on Mona’s pelvis, until the coarse curls of their pubic mounds met. She was fully impaled, hilted on three massive, throbbing lengths. She was packed so full she could feel the shapes of them inside her, a dense, moving column of flesh. She took a shuddering, broken breath.

“Holy shit,” she gasped. Her head dropped forward, red hair curtaining her face.

Ellie watched, mesmerized and achingly aroused. Her own cock, which had softened, was stiffening again, rising against her belly. The sight of Cassandra, so utterly filled, triggered a deep, competitive hunger in her.

Cassandra lifted her head. Sweat beaded on her upper lip. Her eyes, dark and fierce, found Ellie’s. “Don’t just… fucking… watch,” she managed, each word punctuated by a subtle, internal clench around her living load.

With a visible effort, she reached down with her left hand. Her right was still braced on Mona’s stomach. Her fingers closed around one of the two remaining free cocks—the one not directly touched earlier. It jumped in her grasp, hotter than the others, as if jealous.

She stroked it once, a tight, milking pull from base to tip. A fresh gout of pre-cum spurted over her knuckles. The cock seemed to inflate in her hand, gaining both length and a brutal thickness, responding to her direct attention as if it had been waiting.

The cock seemed to inflate in her hand, gaining both length and a brutal thickness, responding to her direct attention as if it had been waiting. She held it out toward Ellie, a vile and glistening offering. “Your turn, librarian,” Cassandra panted, her voice strained from the immense fullness beneath. “Don’t leave her waiting.”

Ellie slid from the bed, her own substantial cock swaying heavily with the movement. The memory of her own transformation, of the power that had coursed through her, made her mouth water. She approached, her gaze fixed on the offered cock, then flicking to the one still untouched beside it. Both were visibly enlarging, twitching with a need of their own, fattening by the second.

She wrapped her fingers around the one Cassandra held. The skin was fever-hot and impossibly smooth. The moment she made contact, it surged against her palm, another half-inch of thickness swelling within her grip. “Fuck,” Ellie whispered, a thrill of dark power coursing through her.

Inside Cassandra, things were shifting. A deep, internal pressure built, a vast rearrangement. The three cocks buried in her cavernous depths began to swell in unison. They thickened, expanding radially, pressing outward against the limits of her inner walls. The stretch was phenomenal, a burning, exquisite ache that stole her breath.

Cassandra’s head fell back, a guttural “uhnnn” forced from her throat. Her vaginal muscles, already preternaturally relaxed, didn’t fight the expansion. Instead, they yielded with a shocking, eager compliance, the soft tissue dilating further to mold itself around the increasing girth. She could feel every centimeter of their growth, a relentless filling that pressed into spaces that had no name.

Ellie watched Cassandra’s stomach. There was a subtle, terrifying distortion there, a faint rounding where the immense bulk inside was reshaping her. Where could it possibly all fit? The question was a dizzying, erotic shock. The two cocks not buried were now mirroring the growth, becoming monstrous, their lengths curving up.

Then Ellie noticed something else. Cassandra’s posture changed. She was sitting up straighter, her shoulders widening, the line of her spine elongating. It wasn’t just posture. Cassandra was growing. The top of her head rose a clear inch further from Mona’s body, even though her ass remained firmly planted on Mona’s pubic bone.

“Cass,” Ellie breathed, her hand freezing on the cock she held.

Cassandra’s breasts, already large, surged against her own chest. They swelled, heavy and full, the areolas darkening and expanding as new flesh ballooned beneath them. They pushed upward, becoming truly massive, their weight palpable in the air. A second inch of height added to her frame, her limbs subtly lengthening, the joints cracking with soft pops.

“Oh God,” Mona whimpered from beneath, feeling the woman atop her physically changing, becoming larger, heavier. The cocks inside Cassandra, now thicker than a fist each, pulsed with a triumphant rhythm.

Cassandra looked down at Ellie, her perspective literally heightened. A wild, unhinged grin split her face. Her new, larger body thrummed with a terrifying vitality. The stretch inside her was a continuous, blinding sensation. “See?” she managed, her voice slightly deeper, richer. Sultry.

She released the cock Ellie was holding and grabbed the last, neglected one. It was the smallest of the five, but not for long. As her hand closed around it, it blossomed violently, eager to catch up to its brothers. She guided toward her mouth.

The broad, leaking head nudged against her lips, smearing pre-cum like gloss. Cassandra’s tongue snaked out to taste the salty-slick fluid, a dark spark of pleasure in her eyes. She opened wide, wider than should have been possible, her jaw loosening with an audible pop.

She took the head in, the thick crown stretching her lips into a tight, obscene ring. A low, guttural sound vibrated in her throat, part pleasure, part challenge. Then she swallowed, a convulsive, muscular contraction of her throat, and the cock surged forward, plunging deep past her uvula.

It didn’t stop.

The flesh in her mouth wasn’t just being accepted; it was actively growing, elongating, pushing itself deeper. Cassandra’s eyes flew wide, not in panic, but in shockingly intense arousal. She gagged, her body reflexively trying to reject the invasion, but the cock pressed relentlessly onward, a living, thickening rope forcing its way down her esophagus.

Ellie watched, frozen, her hand still wrapped around the other cock. Cassandra’s neck distended, a visible bulge traveling down the column of her throat. The sound was a wet, continuous glugging, a violation of biology that was somehow beautiful in its horror. Cassandra’s hands scrabbled at Mona’s hips, her nails digging in, as her body was fucked in the throat.

And she was still growing.

As the cock buried itself deeper into her gullet, Cassandra’s frame subtly expanded again. Her shoulders broadened, the muscles in her back and arms gaining new, defined bulk beneath the skin. She gained another inch in height, then two, her perspective of the room literally rising. The massive breasts hanging heavy against Mona’s legs swelled further, their weight now truly monumental, the nipples dark and pebbled.

Ellie stared, her mind reeling. The three cocks buried in Cassandra’s cunt—they had to be expanding too, mirroring this growth, filling that impossible space with even more impossible mass. The logic was terrifying. Pleasure and size were feeding each other in a loop, with The Hummingbird at the center, purring in Mona’s core.

The cock in Ellie’s hand began to change. It shuddered, its surface morphing. Smooth skin erupted into a series of pronounced, ridge-like bumps, each one a hard, sensitive nub. Further down the shaft, a spiral of thicker, rope-like veins wrapped around the core, creating a texture that was brutally exotic.

Cassandra, her mouth and throat packed full, made a sharp, approving sound. “Mmmhhm!” The vibration traveled down the cock in her throat, making Mona jerk and moan. Cassandra’s eyes, gleaming with tears from the deep-throat stretching, locked on Ellie’s. They were commanding. Join me.

Ellie wasn’t sure who was steering this anymore. Was it Mona, lost in a haze of sensation? Was it Cassandra, whose will seemed to be forging the very flesh around her? Or was it The Hummingbird, that ancient, hungry artifact, simply drinking their chaotic desire and reshaping them to fit its own alien aesthetics? They were all just clay, bending to its silent, vibrating will.

The uncertainty coiled in her gut, a cold thread in the heat. But the sight of the transformed cock in her hand, of Cassandra’s immense, growing form being penetrated in every hole, was a lure too potent to resist. The cold thread was swallowed by a wave of molten need.

“Fuck it,” Ellie whispered, the librarian’s hesitation incinerated.

She guided the ridged, bumpy head to her own entrance, still loose and gaping from her earlier transformation. The strange texture felt alien and thrilling against her sensitive lips. She didn’t lower herself slowly. She sank down hard, taking the entire monstrous length in one brutal, claiming stroke.

It was like being split open by a tree trunk carved with knots. The ridges scraped deliciously against her inner walls, the bumps finding and pressing against places that made white light flash behind her eyelids. The stretch was immediate, agonizing, perfect. She bottomed out, her ass meeting Mona’s thigh, the base of the cock grinding against her clit-turned-cock.

A raw, ragged scream tore from Ellie’s throat. It echoed Cassandra’s muffled, gagging groans. Mona’s body was a trembling bridge between them, her five cocks serving as pulsating conduits, pumping a shared, escalating madness. The Hummingbird’s hum was now the room’s dominant frequency, a sound felt in the teeth and bones, knitting their pleasure into a single, distorted tapestry.

Ellie began to move.

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