The Omnistore System

Chapter 412: The Tail Plug's Trial (R-18)

"That's perfect, Mom," Kevin said, his voice filled with satisfaction as the small drone camera zoomed in on Maria's now veiled face. She squatted on the bed, her hands firmly planted on her knees. Her big, thick thighs squeezed together, looking even more voluptuous, and her breasts pressed tightly against them. With an embarrassed tone, she pleaded, "Promise me, you won't show it to anyone."

"Promise, I won't show it to anyone," Kevin replied with a smirk, his eyes gleaming with mischief. He watched intently as she raised her buttocks slightly, revealing the wet tail plug nestled perfectly inside her anus, and on top of it was the lotus symbol perfectly hanging in her buttcrack.

A second small drone, the size of a marble, hovered closer, capturing every detail. Maria's hands remained on her knees as she lifted her butt in the air, holding it there with a visible strain. She gritted her teeth; her face a mask of concentration, the effort clear in her trembling muscles.

Her teeth were clenched as she focused, looking like she was putting in a tremendous effort, though the reason was not immediately clear.

Kevin watched intently, his smirk widening as he saw the plug start to move. Maria's muscles tensed and flexed, and a low grunt escaped her lips. Slowly, the plug began to emerge, each centimeter a testament to her control and the effort she was exerting.

His eyes captured every intricate detail. Kevin had made her do this before, but had forgotten to record it. So when she expressed her desire for him to take her anally, he seized the opportunity to film it. Maria couldn't touch her buttocks and could only use her anal muscles to expel the butt plug if she wanted his penis inside her.

The camera zoomed in on her puckered anus, surrounded by fine hair, which was stretched taut around the base of the plug. The skin was flushed from the pressure, creating a stark contrast against the shiny metal of the plug.

Kevin's eyes were locked on her as she began the slow process of expelling the plug. Her anal muscles worked with precision, tightening and relaxing in a rhythmic motion. The plug inched out, each movement causing her anus to stretch and then contract. Her breath was heavy, and beads of sweat formed on her brow.

Her anus stretched wider, revealing the gleaming metal surface more and more. The hairs around her anus stood on end, the skin stretched thin over her straining muscles. Her thighs trembled slightly with the effort, the muscles visibly tensing and relaxing.

With a sudden, forceful contraction, her anus expelled the plug, sending it shooting out with a wet, slick sound. "Haaa..." Maria's brows were sweaty, and a loud breath escaped her mouth as the plug finally came out. Her anus now twitched, opening and closing, seeking to fill the void left by the plug. The camera zoomed in on the now sensitive, twitching orifice. Kevin, surprised by the speed and efficiency of her performance, remarked, "That was fast..." "I practiced a lot," Maria said with a wide smile as she leaned back, resting her raised buttocks on Kevin's thighs. His hard dick pressed against her back, still slick with fluids. She moved her buttocks, rubbing them against his penis, and asked, "Help me put it in."

Raising her butt again to the height of Kevin's erect penis, Maria spread her buttocks apart to stretch her anus. Kevin aimed his penis at her exposed, stretched entrance. As soon as the head of his penis touched the tight ring of muscle, it seemed to be sucked in, her anus clenching around the tip. Kevin's hips lifted slightly from the bed as Maria slowly lowered herself, her body trembling. Inch by inch, his thick shaft disappeared into her tight, welcoming warmth.

Maria's eyes fluttered shut, her breath hitching as she adjusted to the overwhelming sensation. Kevin could feel every pulse and contraction as her anus stretched to accommodate him. Finally, with one decisive motion, Maria slammed her hips down, taking him fully inside. The head of his penis pressed deeply, hitting the most sensitive spots within her, sending waves of intense pleasure through both of them. She let out a low moan, feeling the fullness and heat of him buried so deeply in her.

Maria's body tensed and contorted as she settled onto his lap, the sensation overwhelming her. Her toes curled up, her legs trembled, and her entire form seemed to arch in a sensual curve. She clenched around Kevin's penis, her anus gripping him with such force that he couldn't help but grunt in response. The intensity of her tightness sent shivers through him, and he instinctively grasped her soft waist, trying to steady himself.

"Relax, Mom," Kevin urged, his voice thick with both pleasure and concern. "Your ass is so tight you're going to squash my dick." He could feel her muscles spasming around him, each clench sending waves of sensation through his body. The pressure was incredible, almost unbearable, but he loved the way she enveloped him so completely.

Her face was a picture of ecstasy and concentration, her eyes half-closed and her mouth slightly open as she gasped for breath. She tried to obey his command, willing her muscles to relax, but the overwhelming sensations made it difficult. Each time she tried to loosen her grip, another wave of pleasure would crash over her, causing her to tense up again. Her soft waist quivered under his hands, and he could feel every shudder and spasm of her body.

She attempted to lift herself, but the tight grip of her anus made it a struggle to move upward. Every inch she managed to slide up felt like an immense effort. When she did succeed in lifting herself slightly, gravity and the relentless tightness would pull her back down, causing her to clench around his penis even more tightly. This intense sensation forced moans from her lips, muffled by her gritted teeth.

The cycle repeated—she would inch up, her muscles straining with the effort, only to slip back down, the movement sending waves of sensation through both of them. Each descent seemed to intensify the pressure and pleasure, her moans growing louder and more desperate. Her body trembled with the effort and the overwhelming sensations, her breath coming in ragged gasps. The struggle to maintain control only heightened the intensity of their connection, each movement deepening their shared experience.

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