Collie, some mileage, two owners.

Story by Cocoa on SoFurry

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An exploration of what happens to a trussed up dog when Master and Mistress get frisky.


The nagging sensation of a leather strap slightly compressing his ribcage wasn't enough of a distraction for Doc. In fact, on nights like this, there were very few discomforts that could deaden the ache of his knotted, swollen shaft. Tonight he was suspended face-down in a well crafted leather sling. Truth be told, it was nearly perfect for the collie: His fluffy black and white fur wasn't caught in any of the buckles, his very slight belly was well supported by the straps, his plain pink leather collar and bright red ballgag weren't overly tight, and each limb was perfectly spread and elevated. But the reality is, bondage always came with a few aches and pains. Such was the life of a volunteer slave.

To distract himself from the overwhelming urge to struggle or find some way to grant his dripping ebony shaft a moment of friction, the canine mentally listed his aches and pains. The dog's well spread, shaggy ass was still sore from the paddling he received just 40 minutes ago. His sphincter was slightly tweaked from clenching too hard on that buttplug that buzzed away relentlessly in his tight little tailhole. His left footpaw was asleep and tingling from a slight loss of circulation, forcing him to instinctively clench his toes once in a while and feel the pins-and-needles sensation. His ears and nose were feverishly hot, since he couldn't pant properly with the gag in place. His cock... there was nothing wrong with his cock, it was filled to the brim and turgid, slowly leaking his watery canine precum to the tiled floor. Damn it, he had started this list to distract himself from that!

Shaking in frustration, the canine allowed his eyes to focus on the small amber CRT on the wall in front of him. BDSM in the modern age was a wonderful, terrible thing. On the plus side, all he had to do was turn his head and stare at the glowing red panel off to his left, and even though he was bound and gagged, his Safeword alarm would be triggered by the eye tracking software. On the minus side, the technology could cut the other way. His Master and Mistress has helpfully installed a little screen that slowly scrolled words across the screen; words like 'Obey' and 'Fucktoy' and 'Lapdog'. It was a very subtle brainwashing, but that's what the collie signed up for when he signed his Slavery contract. Yet another artefact of love, sex, and bondage in the modern age, everything that he consented to do on a normal basis was detailed in his Contract. Master and Mistress could never use it against each other if they were to ever break up, and Doc could never use it against them if he ever claimed that their treatment was non-consensual. Any of them could terminate the contract at any time. But given how much the collie loved this, he doubted it would be him.

'Cum slut'. 'Toy'. 'Puppy'. The words danced across the screen as that vibrating plug danced across his prostate. He screamed helplessly, thrashing in his bonds and making himself swing slightly. It must have been days now, weeks, years of torment in this sling... not 47 minutes and 39 seconds. Not an hour and 24 minutes since Mistress had ridden him to his second orgasm of the night. Not three hours and change since he sucked off Master, who had allowed the canine to hump his leg and squirt all over his shin. No, he was helpless, and he clearly hadn't gotten off in a decade or more. He sobbed in frustration, clenching his tailhole firmly around the buzzing invader in the vain hope that he'd experience a paws-free orgasm. 'Helpless'. 'Prostitute'. 'Concubine'.

Time blurred as the dog stared at the amber screen. He had no idea how long it was until the cellar door opened with a tortured creaking sound. Immediately the collie started to whine like the feral dog he was. He begged wordlessly, not knowing who it was or what they had planned. He just hiked his tail high and presented his helpless body, hoping that someone would take care of him, would touch him. His black skinned knot swelled a little bit more, and Doc squirted a little stream of precum to the floor. His mind was screaming: 'Use me. Love me.'

The scent of mare hit the collie's nostrils at the same time that the clip-clop of hooves reached his ears. Mistress! He whimpered happily around the drool-soaked ballgag. Mistress loved doggy. She would help. Soon the captive canine's eyes were filled with the sight of a mare's belly fur. His feverish ears were stroked, and sweet comforting phrases were murmured. In reality, the dog had imagined the last part... Mistress hadn't said a word. She just held her slave's head as he shook and cried, suspended in front of her like a piece of meat. When the dog had finally calmed down enough, the chestnut furred equine murmured:

"Your Master mentioned that if you were a _very_ good boy, that he would breed you like the bitch that you are. Otherwise, we're going to bed."

Every muscle in the collie's body tightened. He could be good. He could be _very_ good. But how could he prove it? He nodded frantically and whined through his nose. Clearly Mistress had something in mind, he would just have to-

Although there was certainly mutual love present, none of it was evident as the horse unceremoniously unstrapped Doc's ballgag, dropped it onto the tiles below, and tugged his aching maw towards her sex. His nose was assailed with a mix of Master and Mistress. The fur of his chin and muzzle was coated with a blend of their ejaculates, and the slave instantly knew that he would be licking Master's essence out of the chestnut mare's pussy. His belly tightened and the collie nearly came then and there. The lightest touch would have set him off. It took all of the dog's splintering self control to concentrate on the task at hand, and slide his tongue over Mistress' puffy sex.

The collie's jaw felt like a chunk of living granite from being wedged open for so long. But his enthusiasm and dedication overrode the uncomfortable sensations. Doc burrowed his muzzle into the valley of Mistress' sweet cunny and dragged his tongue over her labia. The mare moaned and tugged roughly at her slave's bright pink collar. As gentle and dainty as the horse could be sometimes, right now she was taking what she wanted. She hunched quickly and gasped every time the dog's hot wet nose dragged over her clitoral hood. As Mistress' juices flowed over the dog's tongue, he started tasting spikes of gooey salt amidst the spicy sweetness. Strings of Master's seed washed into his muzzle, and then slid quickly down his throat as Doc swallowed his reward hungrily. He plunged his muscle back into Mistress' clenching sex, praying for more.

Mistress rode her dog's maw for five glorious minutes, rocking him back and forth in his sling as she seized her pleasure from the slave. For his part, Doc seemed an eager participant. He was the picture of happy servitude, face and neck fur absolutely matted with the fluids of both of his owners. His drenched ears swivelled and perked at the sound of a soft whinny. Then the mare brayed loudly, thighs dripping with the juices that her slave coaxed from her body. The canine quickly retracted his tongue from that clenching love tunnel, instead gently nuzzling and kissing his Mistress' slit. He was well trained and knew the chestnut mare's wishes without needing to be prompted. For a good fifteen seconds, Doc's Mistress came all over his face, gasping and rubbing his ears all the while.

"Good boy. _Very_ good boy."

Doc's mind was addled by the scent of his Mistress... and of course the distraction of his still-turgid black spire, throbbing and drizzling, jutting from between his lewdly spread thighs. Otherwise he would have noticed that the voice praising him was not the mare. Indeed it wasn't until a warm, scaled hand slowly tugged that nefariously buzzing buttplug out of his rump that the collie realized someone else was in the room. He yipped and whimpered helplessly, fingers and toes flexing as that bulb of latex dragged over his prostate, and finally out of his tailhole. "M-master!" the dog gasped.

The dragon didn't bother to confirm his identity to his trussed-up slave. Instead, his eyes met those of the mare as she clip-clopped around the suspended canine. Dragon and mare kissed briefly, before she murmured, "I'll draw a bath. Don't take forever." The bronze scaled beast nodded to his wife and murmured, tenderly, "I won't. Your little show was quite the primer." The collie didn't quite understand the context of his Master's comment, until he felt the dragon drop ten inches of thick erection into the valley of his spread asscheeks, leaking tip prodding his puppy's tailbase. He heard his Mistress chuckle, and then mount the stairs to leave the males to their imminent rutting.

After the cellar door was closed, Doc felt some extra weight on his back. The leather creaked, straps biting into his ribs, his thighs, shoulders, wrists, and ankles. The collie's recently-paddled ass was compressed as well, making him whimper and shake. But he didn't dare voice a complaint. Not when he was so close to getting what he wanted. Master growled in his cum-slick ear: "It's time to breed you, my little bitch." With that canine tailhole still lubed and slightly gaping from the buttplug, a feverishly hot and almost unbearably plump draconic tool was the perfect fit. A little tight. But as far as the collie was concerned, perfect.

Master wrapped his arms around the helpless collie and started to make love to him. Love was the only word for what happened after one of their all-day sessions, and neither of them would deny it. The bronze dragon slowly mated with his helpless canine slave. 10 inches in until his smoothly scaled sac tapped up against a fluffy white furred one. 10 inches out until that bulbous cockhead almost tugged its way out of Doc's gripping sphincter. Dexterous fingers tweaked and tugged stiff black nipples hidden in the collie's fluffy chestfur. He made Doc whimper, and beg, and fully realize how needy and helpless he really was. But nothing made Master change his slow, driving pace.

The sling was swinging, making it impossible for Doc to read his amber screen, but he already knew what was up there. 'Slave'. 'Cum dumpster'. 'Slut pup'. His fluffy tail was wagging uncontrollably, beating against his Master's chest mercilessly. He squeezed his eyes shut and just concentrated on the heat dragging over his prostate and slowly driving him mad. After a few wonderful minutes, the dog's belly muscles tightened up and his fingers and toes curled. He half shouted, half babbled, "S-sir, sir! I'm close. C-close now..." The hissed reply from Master was simple, "You're being bred like a girl, you may cum like a girl." The collie sobbed in relief. Permission was all he needed at this point.

There are few things more beautiful than a completely helpless canine in the throes of ecstasy. The dog's muscles locked up on one of his Master's torturous outstrokes. He yelped breathlessly, knot lewdly swollen and throbbing hard with every heartbeat. That ebony spike fired out half a dozen jets of doggy seed as his Master fucked him. It spattered thickly against the tiles, the sound even more evident than the creaking of leather. The bronze dragon chuckled when his slave's tight little hole started to spasm around his tool. "Good girl."he hissed into the dog's flushed ear. Knowing that the job was done, the dragon kicked into overdrive, mercilessly fucking the collie. The sling rocked back and forth a full foot, as Doc howled and whined. Less than half a minute after his slave fired, the dragon's turn arrived. He tugged on those fluffy hips to impale the collie on his favourite object of worship, and then ground tight little circles into that well-used rump. The whimpering dog felt a cup of Master's seed flood into his colon, followed by the euphoric high of a job well done.

Master rested atop his slave, slowly stroking his chestfur. They rested in comfortable silence for a while, the dog slowly coming down from his twin orgasmic and endorphin high. That's when he heard his master grunt, and felt yet another flood in his abused rear. "S-sir, how..." the slave started to ask, but was immediately shushed. "Be still boy." his Master snarled. The sheer volume went from erotic to impossible, causing the dog to freak out a little bit. Unless...

The dog whined softly, the insides of his ears brightly flushed as he realized that Master was giving him a piss enema. In this case the hose was a long, semi hard dragon dick, but the effect was the same. The collie's belly swelled just a little bit, his body having to cope with nearly a full litre of dragon urine. Master gave a final, heartfelt sigh, and then issued a simple order. "Tighten up, boy." Doc did his best, moaning as the bronze beast withdrew from his depths, and in fact only lost a small fraction of his Master's reward. The scent of what did leak out and soak into the fur of his balls and thighs was potent. Musky. Male. Between Mistress marking his face and Master marking his rear, there could be no mistake: The dog belonged to them.

His buttplug was lubed back up, and then slid into place until the bulb locked behind his stinging sphincter. Master chuckled at the cute little sounds that his boy made, and then informed the slave, "You did well, bitch. Mistress will come by after our bath to hose you off and let you go for the night." Then the collie heard his Master walk up the stairs... and then nothing. Nothing but his own panting. He found his eyes drawn back to the amber CRT as he waited. The collie couldn't help but smile. Master or Mistress must have changed the program after they had finished with him. There was only one phrase that scrolled across the screen now:

'Good dog'.