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“Now what?” she asked tremulously.
“That depends… would you allow me to restrain you?” His tone left no doubt of his preference, yet he did no more than ask, allowing her to choose whether or not she would be left entirely helpless to him.
Remembering how much she had enjoyed being tied to his bed, Lily found herself nodding. She trusted him. Besides which, if she could not move, it would be easier to let go and enjoy the perverseness of allowing him to fuck her with a machine. Less like she was responsible for such depravity.
Nathan’s eyes lit up when she nodded, burning even hotter as he moved around the bed. Leather straps appeared as if from nowhere, and Lily quickly found her arms pinned above her head, held down by the leather restraints, while another one crossed her ribs, just under her breasts.
That one had the added effect of pulling her lacy gown tightly against her breasts, so every movement, every wobble, the scratchy lace abraded her nipples further. The tiny buds were swollen and aching in their twin torture chambers, yet the stimulation increased the hot need between her legs. Lily closed her eyes, biting on her lower lip as she wriggled against the leather, adding to her torment all on her own.
Two more straps wrapped around her thighs and ankles, restraining each ankle to its thigh so that her knees were bent, then he attached something else to each of those straps that made it impossible to close her legs. Now her knees were pointed towards the ceiling, ankles attached to her thighs, pussy wide open and vulnerable between her legs. The utter indecency of being splayed open made her squirm.
“Now, hold still, darling.” The soft murmur of Nathan’s voice penetrated her haze of lust, and she caught her breath as she felt the leather pressing against her pussy. “I need to make a few adjustments.”
The wait seemed interminable, though it could not have been longer than a few seconds, then she felt the leather shaft slowly push inside her. Opening her eyes, she looked down the length of her body at the obscene vision she made with her knees in the air, legs splayed wide apart, a machine between them. Her maniacal husband pushed the machine forward so it could penetrate her with a thick leather dildo.
“Oh!” She squeezed her eyes shut again as it moved deeper, sliding in easily, thanks to her arousal and stretching her open.
It felt very odd. Different from Nathan’s cock. Firmer in some ways, more yielding in others. Being slowly impaled as he carefully moved the machine into place was an experience in and of itself. Nathan had never thrust this slowly. She was being filled, centimeter by deliberate centimeter, with painstaking care that made her writhe against the restraints.
* * *
Nathan
Watching the dildo stretching open Lily’s pussy, her swollen lips clasping its length, her body stretched out on the table, squirming against the restraints with her breasts straining against her nightgown, it was easy to forget everything else in the world and focus solely on this moment. So close to her cunt, the subtle perfume of her arousal filled the air, and he could see the pert nub of her clitoris peeking out from her curls.
The dildo pushed in deeper until Nathan judged it was deep enough. Once he started the machine, it would retreat, then thrust back in, the engine turning the wheel that caused the piston arm to move. It would also vibrate—the engine had deliberately been designed to be inefficient. He had found the vibrations were what the women enjoyed the most, whether it was from the smaller hand-crank machines or the larger ones, like his invention.
His cock pressed against the front of his trousers, eager and aching to be released. It was his own sweet torment to deny himself. Right now, his main pleasure would be derived from watching.
Lily looked so much like the sketch right now. The main differences appealed to him even more than the sketch had.
Instead of being completely naked, her half-clothed state made the tableau even more titillating. Her nipples jutted against the fabric, and the silky skirt of her nightgown spread over her hips, covering nothing of importance, was far more wicked in appearance than nudity would be.
The restraints on her were far more complete than what he’d originally sketched holding her totally immobile.
She was completely helpless, totally at his mercy.
Nathan relished the sight.
Reaching down, he pressed a hand against his bulging erection, rubbing it gently to give himself a bit of relief before he moved to the side of the machine. He picked up the flint and striker hanging there, and with a quick flick of his wrist, sparks started the fire. Nathan closed the door as the red and orange flames flickered to life, keeping them well contained.
It would be a few minutes before the chamber was properly heated enough for the pressure to build and the machine to start. Walking around to the side of the table, he met his wife’s gaze for a moment, then, with a wicked smile, bent his head over her breast and sucked her nipple into his mouth.
* * *
Lily
Though she wondered why the machine had not started to move yet, such questions flew out of Lily’s head when Nathan bent to suckle her nipple. The scratchy lace was even more stimulating as it became wet from his saliva, then he reached over her body to grasp her other breast, causing the fabric to shift over that sensitive skin as well.
Lily writhed for a new reason as he tormented her nipples with mouth and fingers, suckling and pinching, using the lace to his best advantage. The thick leather cock inside her added to the sensations as she clenched around it, pinned into place by its length inserted inside her and the restraints holding her arms and torso down.
Then the cock moved. It felt similar but different to Nathan. There was no heavy weight bearing down on her, no warmth atop her other than where he was playing with her breasts. The sensation between her legs was different as well. The dildo shook inside her, rubbing against her in an entirely new way she hadn’t experienced before, while the sensitive nub of her clitoris was left without the direct stimulation Nathan’s body atop hers provided.
The thrusts were steady and relentless, the way a human could never be, which was the largest difference.
Knowing it could go on forever, that there was no pinnacle for it to reach, no climax that would bring its thrusting to a halt, was terrifying and exciting. Lily writhed as the machine moved within her, her breasts aching in Nathan’s hands. He moved his mouth from one to the other, plumping, squeezing, and sucking in a manner he would not have been able to while atop her.
“Oh, please… please…” Lily gasped out the words, stretching against her bonds, her breasts thrusting up into Nathan’s mouth as the sensations began to crest.
