He had his two greased finger burrowing inside her rim stretching her. She yelped, unable to look down she tried to see over her shoulder her eyes wide with fear. He began to pump his hand against her peach ass cheeks, his two fingers fucking her ass with purpose.

She could feel the wriggling probes thrusting and twisting inside her rear. She raised her tip toes trying to stop his fingers going so deep her tits bouncing on the taut cables.

"Oh, oh, ooh ugh,ugh,ugh!"

She could sense he was reaching for something with his spare hand. The doc had a long twisted dildo and as he removed his loosening fingers he slowly began to ease this new monster into her ass.

"I'm going to give you an internal examination with my hand later, but first we have to loosen you up."

Jenny screamed and begged as he twisted the fat vegetable like monster deep into her ass. Her tits were swollen the cord making them balloon out of shape. The dildo felt like a flag pole, deep up inside her. He gripped it at the base with both hands pumping it up into her.

"Ride it, ride it!"

He looked to the agonized cop his cock throbbing in its binds.

Do you like this fat intruder up her ass? A bit like the one up yours eh. I bet that hungry cock of yours would love to replace it eh? The cop could only look to the ceiling in solace.

He continued to thrust the dildo in and out of her ass making her toes almost leave the floor.

"Agggg!” Jennifer screamed as her hips rocked forward her suspended body pulling hard on the tit rope.

"Oh god stop, stop please, let me down ugggggg!" She begged.

The doc pulled the dirty long length out of her ass. "Soon," he said giving her cheeks a hard slap. He held his erect cock in his hand jerking the foreskin pulling it back to reveal the glisten purple head. His other hand was raised and he swiped down across her cheeks again.

"But first a spanking and ass fuck I think!"

Smith was in agony now. His cock wanted to spring straight the scene in front of him unbearable. Jenny had bounced and swayed her tits bulging on tight cord as he had spanked her over and over. She was almost feinting when he finally stopped and positioned himself behind her.

She'd unbelievably not been penetrated by him in two days of captivity. Now she was sure he'd make up for lost time. She gritted her teeth as his long rod thrust up her ass his pelvis and rigid length lifting her body off the floor.

The sensation was one of total humiliation, his hot pink cock sliding into her lubricated tight shaft. She felt the tip so deep in her belly his pelvis pressing on her soft butt cheeks. Then more pressure his rod lifting her almost of her toes as he thrust as deep as he could go.

"Ug, ug, ug, ug!"

The thrusts were bouncing her upwards each jolt relieving her tits for a moment before they pulled back taut. Each thrust searing into her tight rubbery shaft making her feel like his cock would erupt from her mouth.

"Ug, ug you dirty fucking bitch!" He grunted obscenities as he fucked. "Hanging by your hard tits, gagging at each deep ass thrust. Let me hear you beg for more bitch!"

Jennifer screamed and shook, her body covered in sweat. His cock felt so deep like he was trying to climb up inside her. He tits were numb her shoulders and arms also loosing sensation

The doc held her tiny waist as he thundered into her looking down watching his impressive length appear and disappear from her stretch anus.

"Yes, yes that's it bitch milk my cock, ugggggggg!"

He began to thrust at enormous speed his hips a blur his cock like a pneumatic drill screwing up inside making her teeth chatter with the vibration.

She felt him erupt inside her. The hot wet semen seemed to coat the inside of her tunnel and stick there like paint. His shots were rapid fire like a spitting coughing exhaust his cock emptying its load with animated relief.

He cock slopped from her ass like a dirty wet eel, officer Smith gargling in pain at the erecting sight. He stood back watching his semen drip from her ass. He moved towards Smith still talking to the suspended Jenny as he went.

"The cop likes you I think." Dr Nooo teased examining his captives imprisoned cock then to the buzzing anal dildo he was forced to sit on. Smith's eyes were wide in a crazy insane stare. He was loosing his mind!

"Jennifer," he said sweetly." I'm going to let you down in a minute and I want you to service this cop for me."

Jenny looked out of the corner of her eye shaking her head. "N, n, n no I w..."

The doc didn't let her finish. He looked on the floor and finding what he wanted pushed the ball gag back into her mouth fastening behind her head as she thrashed. He then looked at the hanging Nurse Crow wriggling, bound, gagged and blindfolded. Her tit suction tubes were labouring to suck any more nipple and tits up them and nurse Crowe was in a lot of discomfort.

"Hmmm, I think one of you is ready to help." He said moving away from Jennifer as she still hung on tip toe, now also gagged.

He carefully lowered the nurse removing the tit tubes gently massaging the nipples back into shape. Then the dildo stuffed in her pussy and the tube in her ass. Then finally her double ended mouth cock, nurse Crowe spluttering as her eyes and mouth came visible.

The nurse gave an embarrassed moan as her ass belched over a pint of fluid onto the floor as she tried to knell up.

She whimpered her long nailed hands touching her ass in some vain attempt to stop the flow.

"Good my dear, I need your assistance." He said helping her stand on quivering stiletto heels, the black floor glistening around her feet.

"Yes m, m, my Doctor," she stammered in a sweet feint voice the relief evident." W, w, what is required?"

The docs white mask looked back at the writhing officer then the suspended Jenny.

"Get the power clips and anal earth nurse. I want to make this bitches hair stand on end!"

Jennifer couldn't scream, but her eyes screamed for her. The nurse took each tender nipple between her finger and thumb and carefully clamped them with strong crocodile clips, wires trailing from the metal teeth. Jenny's tits bulged under the squeeze of the suspension cords, her nipples pointing towards the ceiling the clips looking like spikes on top of two upturned medieval helmets.

She then felt a cold metal anal plug burrowing into her ass. This also had an electrical lead from it. The Doc then carefully lifted her ankles, one at a time. Placing rubber stilettos sandals over her cute toes he stood away arms folded.

"Now my dear, now all you have to do is hang there and enjoy." He burst into laughter then nodded to Nurse Crow.

"Begin!"

The current flowed into the young woman.

"Zzzzzzzzzzzzzzzzzz!"

Her nipples felt like exploding the sensation of power almost making her pale tit flesh glow. Her body was convulsing the surging power feeling like a tidal wave pushing at her sphincter as it flowed the quickest way it could to the floor.

Jenny's eyes rolled. Her mouth was full of ball gag, the world swimming. The current came in pulses making her body buck. Her tits juddered rapidly the suspended ropes vibrating with tension.

"Zzzzzzzzzzzzzzzzzzzzzzzz!"

The doc took over at the control ordering the nurse to attend to the restrained cop. Smith tried to wretch himself free but he was too tightly bound. His cock was black and blue with the effort of unfurling the pain incredible. The nurse was unbuckling the cock restraint, unwinding the tape and Smith almost swallowed his gag as his poor cock finally was allowed to spring erect.

Jenny was prancing on her high rubber heels. Her long legs did a crazy tap dance her arched back still struggling against the tit bound ropes.

"ZZZzzzzzzzzzzzzzzzzzzzz!"

Smiths cock looked like a twisted trunk of an ancient tree. The nurse was slowly massaging his wrinkled bruised rod into a recognizable shape.

The doc stopped the flow of power into the poor girl. She looked over her shoulder to him, wide eyed and sweating terribly. He was terrifying. So tall; glistening in sweat totally naked; his cock again hardening. In fact she didn't think it had ever gone down. And she would have been right, so pumped up Viagra and lust he could and would fuck for hours.

His white face mask grinned back at her, the eye hole black and evil. He undid her gag and as soon as her lips were free she began to bleat in panic.

"Please, please no more, I'll do it what ever you want just don't, no,” she screamed the house down in gyrating spasm as he applied the final power.

"Zzzzzzzzzzzzzzzzzzzzzz!"

She danced one last time her nipples almost smoking her back awash with sweat, legs finally bending in as she feinted.

As she came round she knew with total gratefulness she was lying on the floor. Her poor tits were unbound, nipples swollen but unclipped. Her ass was free of the anal earth and her arms were free to prop herself up. However she now had a leather dog collar gripping around her long sexy neck.

She heard coughing and spluttering. Officer Smith was sat in front of her.

"Oh please help do something! Jenny cried looking up at him through spread thighs, over his bruised rampant rod.

The doc pulled her towards the seated officer by her long dark hair. She yelped in pain but none the less shuffled forward until her head was in the cops lap. His fat cock looked so sore the head deep purple with bruising and arousal. She felt the doc push her head forward and she opened her mouth to swallow the desperate rod.

Officer Smith arched his back, the sensation of Jenny's hot soft lips touching his skin, swallowing him inside her mouth was amazing. She was coughing and spluttering but the doc wanted her to take more and more in. Jenny felt the cock bouncing around the roof of her mouth then sliding scarily deeper towards her tonsils.

She tried to push back but the doc was pinning her. Now the nurse was fastening something to her collar. Jenny began to panic but it was too late, she now had two leather straps either side of her neck attached to the collar. The other ends were attached to the leather belt on Officer Smith, the same one that held the buzzing dildo firmly up his ass. The ass probe was still humming away and Jenny could feel a slight vibrating in the man's cock as it transmitted through his body. The straps had buckles on for lengthening and shortening and Jenny understood what they wanted to do.

"That it you bitch, slowly swallow it, come on." The two crazy medics pulled a strap each meaning every movement down by Jenny they could tighten and stop her from pulling back.

Jennifer's eyes were bulging in panic. Every slight pressure by them on her head made her swallow a tiny fraction more. But she couldn't pull back. Bit by bit they were making her take his full seven inches to his hairy base!

Her nose was on his pelvis her throat so full that she knew she would surely choke any second.

Them the first ass slap hit her.

She gulped and her head jerked forward taking even more cock, the nurse pulling the straps to stop her head pulling back.

Slap!

Slap!

The doc was taking long deliberate strokes on her fat sweaty rear as she knelt, head in the man slap.

She bit down unintentionally, stopping her self from choking completely. The cop bucked in pain. His hot rod was pressing on the back of Jenny's throat, now the girl's teeth gripping the base of his cock like they might bite it off.

Slap!

Slap, slap!

Now the doc and nurse stood either side of her rear taking swings one after the other.

"Come on bitch, swallow, swallow. Yeah that's it, choke on it!"

She felt the doc kneeling behind her pushing his long cock up between her thighs searching for her pussy. Her lips opened to the pressure of his cock head his knees forcing hers wide apart as he mounted her slit.

He began to slowly fuck up inside her tight hot pussy the thrusts forcing her already full mouth hard against the cop's pelvis. The doctor reached around her lithe body to grip her hard tits, steadying himself, getting into a hard burrowing rhythm.

He grunted in pleasure, Smith also making muffled grunts through his gag. The cop was almost coming. The doc thrusts hammered into the girl with such intensity he felt any second the doc pussy deep cock and his mouth deep cock would touch at the tips. Jenny herself was like a rag doll her hands gripping the chair legs, face forced to look down, and straps so tight now virtually only the buckles separated her collar from his pelvis belt.

When the cops came she had no way of pulling out or even swallowing properly. The man's cock had waited so long it hosed straight down her throat. Thick long spurts his ejaculation the more uncomfortable for the ass dildo his muscles were clenching and unclenching.

Jenny tried to gulp the best she could. If her throat filled she'd be choked. The doc was sliding in and out of her to the edge of her pussy rim, before powering back in. Each long deep thrust angled upwards to put pressure on her g spot. She was on the brink of feinting again.

She felt the straps been unfastening and she pulled her mouth from the spent cock spluttering and spitting what was left as the doc continue to fuck her hard from behind.

"Oh god, oh god, stop, stop doing this to meeee!" She wailed gripping the chair legs harder as her whole body banged forward with the cervix deep pounding.

The doc pulled her away from the spent cop, keeping his iron rod deep inside her.

"Ugh, do ugh, you want to ugh, go back on the tit ropes?" He grunted between thrusts.

Jenny shook her head, teeth gritted eyes closed.

"Aw no, aw no, aw, not again uggggg!"

The doc held her waist pulling her hips back onto his length, his pelvis rising to meet her slapping ass. He laughed between grunts.

"Then stop arguing my little fuck slave."

He was rutting hard against her ass his cock sliding deep to her limits. Jenny was grunting with each thrust biting her lip clenching her eyes closed. Out of the corner of her eye she could see Smith appearing to be wrestling more with his chair. The doc was taking her doggie style on the floor his hands around her waist he wasn't looking over his shoulder instead concentrating on angling his cock high up against her virginal wall.

Jenny coughed and grunted his fucking making her all fours body rock and almost collapse. The nurse was stood like in a trance and she too didn't seem to notice the cop as his biceps bulged, the ropes stretching.

Suddenly he was to his feet his hand around the evil doc leather clad head. Jenny felt Dr Nooo's cock jump as he was pulled back screaming in rage. The cop was ripping the mask from his head the screams of terror from the doc worse than any Jenny had given that day. She felt the man crumple on top of her and she fell sprawling to the floor the man's cock shrinking, his body almost completely limp.

Officer Smith had the mask firmly in his hand the features looking even more evil in is leather contorting grip.

"Fuck... Fuck!" Smith could only gasp with relief. As he had pulled himself up the anal vibrator had remained secure to the seat and even now was still buzzing to itself. The nurse stood with her hands over her mouth in shock. But she hadn't moved from her spot.

The cop continued to curse leaving Jenny struggling under the dazed doctor.

"Hey help quickly we need to..." Jenny tried to get him focused the doctor starting to knell up rubbing his head.

Officer Smith still had the mask but wasn't jumping to her aid.

"Fuck it, fuck it!" He continued to curse, the doc looking up at him.

"I just ...I thought..." The doc seemed to be explaining his actions. Jenny was so confused.

"But, but!"

"Shut the fuck up!" Officer Smith yelled wiping his brow. The doc now standing looking dishevelled; a mere shadow of his rampant alter ego.

Smith still couldn't believe it. He thought this gimp mask had been shredded months ago.

"It made me make a new one." Came the pitiful reply.

Smith narrowed his eyes. He looked down at the mask then back at the doc.

"Well I better keep this from now on." He said his temper fading.

Smith had been coming here for months. The doc would have been busted over a year ago had it not been Officer Smith and his perverse pleasures that had originally investigated him. The mental patients had been no problem fucking and experimenting on but "Jesus a college chick! Taken off the road!" He just knew she would be here. So he had made sure he covered this area of the search. He'd come back to sort out this mess when the doc had flipped thinking he was turning him in, and then somehow that fucking crazy mask had appeared again.

"Fuck!" he yelled in frustration and anger at his own carelessness.

Jennifer was kneeling up her body covered in sweat, lips puffed, eyes dark and downtrodden.

"You're, you're not here to save me?" She said in a whimper.

"Fuck she's a bright one!" He spat sarcastically his cock starting to harden again as he tugged the foreskin. Her perfect figure, deep clench cleavage and all glowed golden with the sweat and artificial light. The cop had been kept waiting long enough.

"Just keep on all fours honey its time to for you and me to get intimately acquainted."

Epilogue:

Officer Smith pulled into the drive of the sanatorium as the sun began to set. He'd finished an hour early today as he now regularly did. His wife and kids would be waiting at home as always, but first he had his normal appointment with Jennifer. For a few days it had seemed too close to call; that damn car being the biggest worry. But after he'd used his contacts to get it crushed and brought back on a pick up his fears had greatly subsided.

He halted the car in the new parking area at the back of the building. It had helped that this was due to be re-laid back then. A nice solution to his evidence problem he had to agree.

The doc was expecting him and gave a dissatisfied thrown as he approached the car.

"I have so many experiments to do," he said frustrated at this officer's constant distraction to his routine. Officer Smith patted him on the back as he got out of his car.

"Sure doc," he said totally disinterested. He said this every time he turned up.

It had been six months without any leads and the case was now in the pending tray. The doc had done well to get her false medical notes; they'd even stand up to a pretty close inspection if ever needed. But even this crazed physician knew he needed Smith to just keep pointing the investigation the wrong way from time to time.

Smith felt his breathing becoming a little heavier. She'd probably be all gimped up as normal. Maybe he'd find her in the middle of a dirty experiment like deep anal fisting or just bound in the fucking box tit tubes sucking away like last time. Any how it never failed to send him over the edge watching his cock slide in and out of that perfect ass as he took her bent double in some outrageous position.

He smiled to himself noting that she was still a bit of a fighter even after all these long months.

The doc watched him disappear inside the building. He paused for a moment then straightened his white coat. He heard the familiar voice; muffled, begging then cursing. It was below him coming from the concrete.

Apart from protection from the law the doc had something else just as important to thank Smith for. He'd never let him have that mask back and now, well it could scream all it wanted at him but it would never control him again. Well how could it?

It was forever imprisoned in the trunk of Jenny's crushed Buick; buried deep under the new thick concrete car park.

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