In the aftermath of a brutal battle against the Storm Dragon Veldora, Rimuru Tempest lay dying, her slime body pierced and torn beyond regeneration. As consciousness faded, a shimmering fairy appeared before her, wings fluttering with ethereal light.

"I can save you," the fairy whispered, "but the life I offer comes with... changes."

Weakly, Rimuru agreed. As the glowing liquid entered what remained of her body, transformation began. Her form shifted from translucent blue slime to a being of breathtaking beauty—a fairy with iridescent wings and bigger existence, but with something more. Between her legs grew a massive cock, thick and veined, with heavy balls hanging beneath, disproportionate to her otherwise slender frame and angelic features.

When Rimuru awoke fully, she gasped at her new body. Her reflection showed a delicate fairy face with piercing golden eyes, flowing blue hair, and that magnificent appendage that seemed to pulse with its own lifeblood. Her fairy wings shimmered with rainbow hues as she tested them, feeling power coursing through her veins—transformation magic. 

“Remember.., these abilities can't overpower their source.” with a veil smirk on its face, the fairy disappeared~

This new form was a gift—and a curse—from a fairy who had saved her after a brutal battle, a resurrection that came with a hunger for domination and magic that could bend reality itself.

"Veldora!" Rimuru's voice, though melodic, cuts through the dragon's roars like a whip. "You've caused enough trouble! It's time to be tamed!"

The great dragon, a mountain of storm-blue scales and primal fury, laughed, a sound like rolling thunder. "A fairy? With a trinket like that? You dare challenge the Storm Dragon? I'll tear you apart!"

He lunged, jaws wide enough to swallow a boulder. Rimuru simply smiled, a cruel, knowing curve of her lips. She didn't dodge. She raised a hand, and her transformation magic, laced with her manipulation abilities, slammed into Veldora.

The dragon's charge stopped mid-air. He froze, his massive body convulsing as an invisible force reshaped him against his will. A force so hard that the dragon was on the ground in no time. His blue scales softened, his form shrinking, his proud roar turning into a confused, pained yelp.

"What... what is this?!" Veldora gasped, his voice losing its booming depth as his body compressed. He shrank rapidly, from a colossal beast to the size of a house, then a wagon, until he stood no taller than Rimuru herself, a handsome dragon in his human form, in a state of shock, his stormy wings folded tight and his golden eyes wide with disbelief and fear.

"Much better," Rimuru purred, floating closer. Her massive cock twitched in anticipation, the sheer size of it making Veldora before her seem small. "Now we can have a proper conversation."

"You... you dare?!" Veldora snarled, but there was no power behind it. He could feel the fairy's magic crawling over his skin, a dominating presence that made his own formidable power feel like a candle flame next to a bonfire.

"Oh, I dare much more," Rimuru whispered, her hand glowing again. "You've spent so long being the big, scary dragon. It's time you learned what it feels like to be useful. To be... decorative."

Veldora's body seized again. He cried out as his form warped, his limbs retracting, his torso flattening. The world dissolved into a dizzying spiral of sensation as he was transformed, his very essence molded to Rimuru's will. When it stopped, he was no longer a dragon-man. He was a pair of tight, form-fitting underwear, black as a storm cloud, with intricate blue patterns resembling draconic wings on the hips.

Rimuru moaned softly as she picked up the transformed dragon. "Exquisite." She stepped into the Veldora-underwear, pulling them tight against her smooth skin. The sensation was electric for both of them. For Rimuru, it was the feeling of power, of wearing a conquered dragon. For Veldora, it was an overwhelming mix of humiliation and a strange, terrifying pleasure. He could feel every curve of her body, the heat of her skin, the twitch of her massive cock as it strained against the fabric of his being.

"Feel that?" Rimuru cooed, rubbing a finger over the wing pattern on her hip. "That's the feel of a superior being. You're clinging to me, hoping I don't tear you apart. Isn't it thrilling?"

Veldora's consciousness, trapped in the fabric, could only tremble. Even the tiny and harshly gained movement only made him rub rimuru’s cock against his stretched body. He hated it. He despised this violation of his pride. 

But his body, his transformed self, sang with a pleasure he'd never known. The friction, the heat, the sheer intimacy of being worn by this powerful fairy was awakening something deep and submissive within him. He could feel her cock’s stiffness, twitching with precum every second.

Rimuru's hand drifted down, stroking her massive shaft through the dragon-fabric. Her hand was unknowingly on Veldora's mouth covering it with lustful pressure while she gave heavy thrusts to her leaking cock. Veldora’s sensitive back skin was getting rubbed by the now-futa lady’s cock, small muffled moans travelled instead of his crying or whimperings. Her cocks precum only helped to make him feel better, the once proud dragon was starting being a slut.

"I think you can be... so much more." Her magic flared again. The underwear began to lose its solid form, becoming thin, stretchy, and transparent. The wing patterns remained, but now the material was slick and elastic. Veldora felt himself being stretched thin, his consciousness spread over a wider area as he transformed once more, becoming a condom, a sheath designed for one purpose.

"Perfect," Rimuru breathed, her voice husky with lust. She carefully unrolled the Veldora-condom down her throbbing, monstrous cock. The dragon's consciousness was overwhelmed. He was stretched taut over a pillar of searing heat, his "mouth" forced open by the bulbous head of her futa dick. The scent of her arousal was intoxicating, a drug that made his thoughts hazy and compliant.

"You were always so proud, so untouchable," Rimuru moaned as she began to stroke herself, her hand sliding over the Veldora-sheath. "How does it feel to be nothing but a tool for my pleasure? To be stretched so thin over my cock, ready to be filled?"

A muffled, vibrating moan was all Veldora could manage in response. The degradation was absolute, yet with each stroke of Rimuru's hand, with each throb of the cock he was wrapped around, the humiliation melted away, replaced by a desperate, aching need. He was starting to want this. Wanting to be used. Wanting to be filled.

Rimuru's wings fluttered rapidly as her pleasure built. Her golden eyes, fixed on her own magnificent cock wrapped in the transformed dragon, glowed with triumph. "Get ready, my little dragon slut. I'm going to baptize you in my essence. I'm going to fill you so completely you'll forget you were ever anything else."

With a guttural cry, Rimuru came. Her massive cock pulsed violently, and a torrent of thick, hot cum erupted into the tip of the Veldora-condom. The dragon's consciousness screamed in ecstasy as his form was stretched to its limit, his mouth and throat flooded with the fairy's seed. It was warm, salty, and impossibly abundant, pouring into him wave after wave.

But Rimuru wasn't done. Her orgasm seemed endless, her balls churning out more cum than the condom could hold. The Veldora-sheath began to expand, ballooning with the sheer volume of her release, growing taut and translucent as it filled.

"Look at you," Rimuru panted, her strokes slowing as she milked the last drops into the overfilled dragon. "So full of me. But I think... I think you need to be even closer to me."

“Feeling my hot cum must've been tempting. Why don't you feel it more.. becoming one with my cum?” With a final, powerful surge of magic, the transformation began one last time. The stretched, cum-filled condom began to dissolve, its boundaries breaking down. Veldora's consciousness swam in a sea of Rimuru's essence as his physical form melted away, becoming one with the cum that filled him. He was no longer a sheath; he was the cum.

Rimuru gathered the warm, dragon-infused fluid in her hands. It pulsed with Veldora's trapped consciousness, a liquid being of pure pleasure and submission. The heat was the first overwhelming sensation. It wasn't just warmth; it was a profound, living heat that seemed to permeate his entire being. He was cradled in the palms of Rimuru's hands, and her touch was a searing brand against his liquid form. He was no longer a creature of storm and fury, but a creature of heat and submission, a living pool of desire. He could feel the faint, residual tremors of Rimuru's orgasm still echoing through his liquid body, a constant reminder of the pleasure that had created him. He pulsed with it, a steady, needy rhythm that begged for more.

Rimuru's golden eyes, glowing with triumphant satisfaction, gazed down at the living fluid cupped in her hands. "Perfect," she purred, her voice a silken command that vibrated through Veldora's very essence. "You're so much more agreeable like this. No pride, no resistance. Just pure, unadulterated potential, waiting for my will." She brought her hands closer to her face, inhaling deeply. "And the scent... you smell like victory. Like my victory over you."

With a concentrated effort of her will, she began to reform him.

The liquid coalesced, taking shape once more. But it wasn't the proud dragon who returned. It was the dragon-man, but changed. His features were softer, more pliant. His eyes, once burning with draconic pride, now held a dreamy, submissive lust. His body was lean and toned, but he moved with a new grace, a desire to please. He knelt before Rimuru, his head bowed, his cock hard and dripping. A fierce dragon was now a slut.

"Veldora," Rimuru said, her voice soft but commanding.

The dragon-man looked up, and a genuine smile graced his lips. "Mistress," he breathed, the word feeling natural, right.

Rimuru's massive cock, already beginning to harden again at the sight of her broken and remade pet, twitched. "Do you understand your purpose now?"

"To serve you," Veldora said without hesitation. "To be transformed by you. To be filled by you. To be... whatever you desire."

"Good," Rimuru purred, gesturing for him to approach. "Because I have many, many more forms I want you to take. Forms where you are free.. Free to feel yourself. But for now, you are to be kept.. in me.. Deep inside."~

The same force that had unmade him, now began to shape him. The fluid in her palms began to stir, drawn by an invisible current. Veldora felt his consciousness, once spread thin, begin to coalesce. It was a strange sensation, like being pulled in a thousand directions at once, yet all of them leading toward a single point. He was being drawn upwards, a thin, glistening stream of white rising from the pool in her hands.

Being completely manipulated by Rimuru, he flowed through the air, a living ribbon of cum, arcing gracefully towards her waiting body. He saw his destination: the magnificent, semi-erect pillar of her cock, lying against her smooth, toned stomach. He seared in the tip of the hot cock and travelled slowly through her urethra. 

The sensation was a searing, electric shock that shot up Rimuru's spine. Her body, still humming from her previous orgasm, seized violently. A sharp, involuntary gasp escaped her lips as she rose onto her toes, her muscles tensing as if trying to escape the exquisite, piercing pleasure that was now burrowing into her most sensitive flesh.

For Veldora, it was a tight, suffocating passage. The walls of her urethra were a hot, velvety tunnel, clenching around him with a life of their own. He was no longer an external tool for her pleasure; he was becoming an internal part of it, a living, sentient component of her arousal.

Rimuru's breath came in ragged, lust-filled pants. Her hands flew to her hips, her knuckles white as she struggled to remain upright. The feeling was indescribable—a deep, invasive pleasure that was both agonizing and intensely arousing.

Her massive cock, already semi-erect, began to harden once more, standing out stiffly, a throbbing monument to the power she held. She could feel him moving, a distinct, warm presence sliding down the length of her shaft, a sensation so alien and potent it threatened to shatter her control.

He could feel the changing texture of her internal anatomy, the subtle shifts that signaled he was nearing his destination. The air was thick with the scent of her arousal, a musky, sweet aroma that was his entire world now. 

Then, he reached the base. The tight tunnel opened up, and with a final, gentle push from her will, he spilled out into a new chamber. Veldora's consciousness, once a flowing stream, now dispersed into a larger, more spacious environment. He was in her balls.

The feeling was overwhelming. He was no longer contained, but floating in a sea of incredible warmth. The space was vast, yet intimate, and he was surrounded by the thick, potent essence of her virility.

Rimuru cried out, a soft, choked moan as she felt him settle. A profound, heavy warmth bloomed in her sac, a pleasant weight that was both comforting and intensely arousing. Her balls, already heavy with her own seed, now felt fuller, more substantial. The dragon was inside her, a living, willing captive in the very source of her power. The pleasure was immense, a deep, resonant thrum that seemed to make her entire body ache with need.

Her cock was rock hard, straining upwards, leaking a steady stream of clear precum. The urge to orgasm was instantaneous, a primal, explosive pressure building at the base of her shaft. Her magic flared instinctively, a desperate attempt to hold back the tide. She could feel it—the heat of his liquid form, the subtle, constant movement of his consciousness as he adjusted to his new home. Every tiny shift was a jolt of pure pleasure that threatened to push her over the edge.

"Gods...," she breathed, her voice trembling with the effort of restraint. She squeezed her eyes shut, her wings fluttering uncontrollably behind her. "You feel... so good. So hot. So... mine." 

She focused on her breathing, on the feeling of her feet flat on the ground, on anything but the searing, all-consuming pleasure radiating from her groin. The battle was fierce. Her body screamed for release, to claim him completely in a flood of cum, but her will, the will of the fairy who had tamed a dragon, held firm. She would not explode. Not yet. She wanted to savor this feeling, this ultimate act of possession.

She had plans for his slutty dragon-boy that were yet to be discovered.