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A dull hum sounded through the area, causing the shepherd's heavy eyelids to open. It took a moment, but as the blurriness came and went, his eyes came to view what appeared to be a large surgical room. While there were many an assortment of machines located all around, it still gave off a vibe of medicinal science.

The shepherd slowly but surely awoke to the dull hum of machinery, his eyes opening to what appeared to be a large operating theater. The shepherd was bound up vertically on a surgical table, and as he slowly came to, he realized his predicament. He weakly struggled against his bondage, barely noticing the fact that he had electrodes attached to his fur and an oxygen mask fitted over his muzzle.

As the shepherd attempted to move, his struggles sent enough sound out to attract the attention of someone else in the room. "Oh, appears your awake." A young yet cynical voice spoke up. "Expected the sedatives to work for at least ten more minutes. But whatever." The figure stepped into view, revealing themselves to be a decently sized lion, covered by a lab coat, surgical gloves, and an earloop mask, all colored white.

Whines weakly, apparently attracting the attention of someone, as out of the darkness of the poorly lit room, he watched a decently sized Lion, with a lab coat, surgical gloves, and earloop mask all colored white step into view. The shepherd stared at the lion absentmindedly, before asking "W-who are you? Why am I tied up like this?"

"Now now Alex, no need to get all upset." The lion returned. "I think in due time you'll come to not care what I do."

"W-wait. How do you know my name? Tell me what you're gonna do to me!" The shepherd started to yell, getting visibly agitated.

"Oh, how do I know your name? Simple." The lion rose a hand to his chest. "My name is Dr. Mar Gion, or just Mar if you prefer. As for why I know you, let's just say I have been watching you online for a long time and took interest in your... hobbies. As for why you're here, well, I wanted to test your appreciation for the things you love so much."

The shepherd calmed down a bit as the lion started to explain himself. He listened as he learned that the lion was pretty obviously a doctor, if his choice of clothing was any indication. Even though he was in such a terrible predicament, the shepherd found the doctors attire hot, his cheeks flushing a little. The shepherd responded "A-and what would that be, Dr. Gion?" Attempting to suck up for the small chance he might get free.

He chuckled. "I think your blush says a lot. You have quite an affinity for sexual things, so I wanted to see just how far I could push that. Of course, I think you honestly would love that."

The shepherd struggled again, but the blush didn't lie. He did though, saying "Let me go you weirdo! I don't want to be a part of whatever experiments you're planning!"

"Well, it's not like you have a choice. I risked a lot trying to get the right subject and actually getting you here, so I'm not going to let my experiment to go to waste. But it's not like I'm going to convince you." Mar turned and walked away from Alex.

"Let me go you freak!" Alex yelled at the doctor, struggling hard against his bondage, but making no progress, firmly stuck there. His head drooped in defeat and loneliness, now having no hope and no one there to help him, a sad whine coming from his throat.

"Don't worry my dear experiment, soon you'll be much more willing to participate~" He moved himself behind a large assortment of panels, and proceeded to press down a series of buttons before suddenly, a panel dropped from the ceiling and into the view of Alex.

Growls lowly, still pulling at his restraints at hearing the lion's voice, before watching a panel drop down into his view. It was just a blank screen, so for a moment the shepherd just stared at it, unsure of what the doctor had planned to do with a blank screen.

Suddenly, the screen came to life, and in the center was a singular red dot. It seemed to be still, but every so often, it would pulsate; and the pulsations seemed to move in a rhythmic fashion. As it continued, a voice spoke up through the screen, being Mar's. "Now listen closely," he spoke in a calm voice, "you're going to listen very closely to me, listen to the sound of my voice as you focus on the dot before you, focusing on nothing but the dot and listening to my voice."

Alex watched as the screen flared to life, showing a singular red dot. It seemed to be still, but the shepherd couldn't stop staring at it for some reason, barely noticing how the dot pulsated in a rhythmic fashion. Alex didn't growl this time when he heard the lion's voice, instead just intently listening, replying into the empty room "Y-yes. Listen to your voice and watch the dot."

"Good, now as you focus, I want you to count down from ten to one." Mar instructed. "Just focus on the dot, and every time it pulsates, count down one number."

Alex nods obediently, every time the dot pulsated he counted down "10....9....8....7....6....5....4...3....2....1...." Each with a nice long break in between.

As he counted down, a sudden, tertiary sound, unlike the hum or the voice, began sounding. It was like a vacuum, but it instead was pushing something out. As Alex spoke, a gas poured from the mask entrance and into his open mouth, being breathed in with every number counted.

Alex could hear a second sound, like that of a vacuum, but pushing something out. He scarcely noticed that a gas was being poured into his mask and being breathed in, but he did notice the air taking a slightly sweeter smell. Either way, the shepherd didn't react, instead focusing on counting down, and now breathing in the gas.

As the countdown ended, Mar spoke up. "Good, you're doing good. Now, listen to my voice. You are here because you want to be here. You are here because you like to be in these conditions. You are here because you enjoy being bound up. You are here because you want to be touched all over. You are here because you want to lose all control."

Alex listened to Mar's voice, eyes still fixated on the pulsing dot. At the suggestions, the shepherd simply nodded and said "Y-yes, I do", eyes starting to glaze over and reflect the pulsating dot on the screen, still huffing in that sweet gas.

"Yes, you do, what?" Mar asked. "What do you want? Do you want to be here? Do you want to be bound up? Do you want to become enslaved to pleasure?"

"I do want to be here. I do want to be bound up. I do want to become enslaved to pleasure" the shepherd responded methodically, the brainwashing really starting to take effect.

"Good, you're doing very good." The lion praised. "You are doing very good. You should be very proud of yourself. I'm proud of you."

"T-thank you doctor" the shepherd replied, still sinking further, his blush growing deeper from the praise he received.

"Alright now Alex, I want you to listen closely to my voice. When I take off the mask, I want you to look down at me. I want you to tell me how you feel, how you really like this, how you really want to be here. Can you do that for me, Alex?" The lion asked.

The shepherd nodded at the directions the lion gave, saying "Yes doctor, I can do that" mindlessly, waiting for the next step.

The mask detached itself from Alex's face, and simultaneously the screen moved back as well, though still in view. Mar was suddenly in view of Alex, looking up at him. "So Alex, how do you feel?" He smiled wide.

The shepherd felt the mask detach, and watched the screen move away. Alex looked down mindlessly at the lion, saying "I want to be here. I want to be bound. And I want to be enslaved to pleasure."

Mar nodded. "Good boy, Alex. You are doing very well. And for being such a good boy, you will be rewarded. How does that sound?"

Alex's blush deepened a little at the praise. The pup said "That sounds wonderful" waiting for what reward the doctor had for him.

He smiled, moving his coat to the side to reveal a thick, lengthy dildo in his pocket. "I think you're really going to like this." He pushed the dildo into Alex's face, allowing him to take in the sent, of which seemed to mix both the doctor's as well as the gas.

The shepherd watched as the lion produced a thick, lengthy dildo from his lab coat and shoved it towards his face. The scent of the dildo had a mix of that gas and of the doctor, and it caused the collie to whine some, the scent intoxicating.

The doctor pulled back the dildo and positioned it on a stand beneath Alex, his legs already splayed. "Luckily, we'll get to have some fun during this." He chuckled as he oiled up the dildo with a lubricant also in his jacket. Surprisingly, the didlo seemed to have a hole at the tip, of which seemed to stretch just a bit as the doctor stroked it.

The shepherd whined as the dildo was pulled away, tearing him away from that intoxicating scent. This began his first reemergence, his eyes unglazing, the shepherd saying "wh-what? What's going on?" as the doctor was lubing up the dildo and was placing it on a stand underneath his splayed legs.

The doctor didn't seem to notice, and instead proceeded to lube up his hands. "Before we get all crazy, why don't we first go ahead and get you lathered up. How does that sound?"

The shepherd tilted his head, saying "Wh-what? What do you mean lathered up?! Let me go!" He started to get aggressive again, shaking around in his bondage attempting to get loose

The doctor looked up with surprise. "You're awake? How did that happen?"

"Awake?! I never went to sleep you asshole! Let me out!"

The doctor laughs to himself, before suddenly jumping up onto Alex, holding his head just inches away from him. "I'm afraid you misunderstand your position." He grabs the gas mask beside him and presses it against Alex's face. "You want to be here."

Alex struggles, before watching the lion suddenly jumping up and looking him right in the eye. The shepherd was unable to do anything, at least not fast enough, as then the gas mask was placed back over his muzzle. He moaned loudly, going catatonic again, saying "I want to be here". It was at this point, the gases effects started to show, Alex's dick rapidly hardening.

The doctor lowered himself back to the ground, reapplying more lube to his hands. He looked to Alex's hard cock, and laughed to himself. "I guess you really do want to be here, huh you cum slave?"

The shepherd moans, barely able to reply as the gas gets him very horny, but nods and says "Yes Doctor. I do want to be here"

"Then let's give you what you so badly want." He grabs a hold of Alex's cock and runs his hands down the shaft once, slowly lathering it up. He then removed one hand as he continued to stroke him, moving his other hand down to his tight asshole, where he used his free hand to lubricate and loosen his pucker. "You're such a fucking cock sucker, aren't you?"

Alex moans loudly, intensely, a deep blush on his muzzle as his cock is stroked, the sudden intense stimulation causing him to squirt a glob of pre onto the doc's surgical gloves. Once the other paw starts lubricating and loosening his pucker, he's spamming and already so close to orgasm. He moans and says "Yes doctor, a greedy cock sucker."

"You want this dick in your ass, don't you?" His stroking became violent, yet still slick. He also teased his rectum. "You want it deep inside you, don't you? You want to be destroyed by this cock, ravaged by it? You want to live off the cum and never let it leave your asshole?"

Alex's groans only get louder as the lion ruthlessly and effectively teases him, the shepherd panting out "Yes Doctor! I want go be destroyed by this cock! I want to live off of its cum and never let it leave my asshole!!" He then cums hard, his jizz spraying a good foot from his intense arousal and the effects of the gas on his sensitivity.

The doctor stopped, not even bothering to look at the mess on the floor. His head leaned into the twitching cock of Alex, and as he looked up to the shepherd's, he licked the tip clean. "Good pup."

The shepherd moaned with pure lust as his tip was licked clean by the lion, ultra sensitive after the most intense orgasm he had ever experienced. His dick throbbed, so red it looked like all his blood had flown down there.

The doctor stepped back, analyzing his specimen. "You've been so very good for the most part Alex. I'm sure those outbursts of resistance truly mean no harm. After all, why would you not want to be here?"

The collie moaned still, riding off the high of his orgasm, before saying blankly "I don't know doctor. I love it here. I don't know why I wouldn't want to be here."

"Well, it's time for the experiment to begin. I hope you're ready to enjoy this." He chuckled again before moving to Alex's straps to make sure they were secured. As he reached Alex's upper restraints, however, he stopped and looked him dead in the eyes. "You aren't going anywhere my little pup~"

Alex just absentmindedly nodded as the lion talked about beginning the experiment, and that he'd be ready to enjoy this. The shepherd looked back at the doctor blankly, his eyes empty and brain catatonic, devoid of resistance.

The doctor then proceeded to move back down to his panels, making a few adjustments before looking at the shepherd with a more serious look. "Now, I know you can't hear me, but in case there's still some sort of resistance left in your brain, I thought of perhaps telling you my plan as we go. We'll start small, then get bigger and faster as we go." He grabbed hold of a lever and pushed it up one notch. "Begin stage one, prostate stimulation. Setting automated probe to slow setting."

The shepherd stared into empty space, blankly listening but understanding what the doctor was talking about. He knew he was going to be fucked, and his virgin asshole clenched a little in response. Still, the probe went in, slowly sinking into his insides with a loud moan from the shepherd.

As the actions played out, the doctor proceeded to pick up a clipboard and write down the results. "Gas has full control of host within minutes of activation, and causes an even more potent relapse. Gas seems to wear off if subject is not stimulated properly."

Alex lets out an intense moan of pleasure as the probe sinks in and hits his sensitive button, causing him to squirt a strand of pre, barely missing the doctor. This process repeated every time the probe slowly sank in to and out of his tight, furred ass.

"Subject retains a consistent amount of excretion even following an orgasm if probed. Setting probe to medium." He pushed the lever up another notch.

The shepherds moans only get louder and more lustful as the probe increases in speed, slowly stretching his insides open. His pre flies out in strands, his cock throbbing hard with the need to cum.

"Subject showing further lustful reactions to increased stimulation. Attempting conversation with the subject." He leaned in and began talking in his calm tone again. "Alex, how are you feeling?"

The shepherd, unfortunately for the doctor, was too lost in lust to be able to reply, his only vocalizations being whines and moans from the intense stimulation on his prostate.

The doctor stepped back and returned to his notes. "Subject unable to respond to conversation. Assume full loss of cognizant awareness." The doctor paused and looked to his panels, where he rose his hand to one of the buttons. "Proceeding with phase two, muscle stimulation." As the button was pressed, the electrodes on Alex's body sprung to life.

Alex did indeed seem to lose all cognizant thought and awareness, living in a place of pure lust. When the electrodes sprug to life and began stimulating his muscles, he let out a low howl and came hard, splattering a little cum onto the doctor's lab coat.

The doctor looked at the display with pleasure, moving his lab coat up to his mouth to lick away the cumshot. "Subject showing immediate response to muscle stimulation. Proceed with post-orgasm stimulation for further analysis."

The shepherd came hard, and came a lot, his balls twitching hard as he emptied some of their contents onto the floor and the doctor's lab coat. The stimulation didn't stop, though, and Alex began to shake a little in his bondage, not being able to come down from his orgasmic high.

The doctor laughed at Alex's response, losing a bit of his professional tone before speaking up. "Oh dear Alex, you've made such a mess, haven't you? I thought you were a good pup."

Alex whined, still able to understand what the doctor was saying, his face flushing and attempting to find somewhere to bury his face and hide his embarrassment.

"Oh well, maybe this will help you." He grabbed at a different lever and pulled it down. "Proceed with stage three, oral stimulation." Suddenly, an equally sized dildo to the one up his ass dropped in front of his face, causing the gas mask to release as well. However, the dildo did not move into his mouth yet, and instead hung there, as if waiting for something.

The shepherd watched as a thick, long dildo dropped in front of his face, and the gas mask released. Without the gases effects, slowly the collie started to laps back to cogniciance, saying "F-f-fuck! What's going on in my ass? And why is there a dildo in front of my face?!"

Suddenly, the dildo shoved its way into his maw, forcefully rubbing itself back and forth down his throat. "Subject, as expected, has come off the effects of the gas after cancellation. Attempting non-gas relapse via stimulation."

Alex was interrupted by the thick dildo being shoved into his maw, causing him to gag and choke a little as it deeply fucked his throat. It took a minute, but eventually the fight left the shepherd's eyes as he relapsed into his catatonic, hypnotic state.

The doctor was happy to see him fall back to hypnosis, but decided, for the sake of the act, to pretend being upset. "Dear pup, what did I say? You aren't leaving here. I guess I'll just have to punish you, to teach you a lesson." He suddenly pushed down both levers all the way, increasing their velocity to a maximum.

The shepherd shed a single tear as both the anal and oral dildoes increased to their maximum speed, tearing up his ass and spearing his throat, significant bulges showing in his throat and his stomach. The shepherd came again, another intense volley of seed shot out all over the place, making a mess of everything.

Suddenly, as the third cumming happened, both dildos shoved deep into Alex, knotting him in place. And as they did, a torrent of cum flowed into him, filling up his insides from both ends relentlessly.

Alex was knotted from both ends, spreading him open to an insane degree as he was pumped full of cum. Long after his own orgasm ended the dildoes were still going, a big lump of cum pudge forming in the shepherd's belly.

As they finished emptying their contents, the stimulation on his muscles ceased, and the oral dildo pulled out of his mouth, leaving behind a trail of cum. The anal dildo stayed firmly in place, holding in the countless loads blown into him. Suddenly, the doctor walked up to him, looking deep into his eyes with another warm smile. "My my pup, you've done quite a fine job. Congratulations on making it through. I'm sure you feel great, yes?"

The pup moaned as the stimulation on his muscles stopped and the oral dildo popped out lewdly, with a splatter of cum. The anal dildo still stayed firmly knotted in him, and when the shepherd was asked, he said "Y-yes doctor. I feel amazing"

He chuckled as he moved into the shepherds face. "Good pup." Slowly he pressed his lips against Alex, passionately kissing him, moving his tongue around in Alex's cum-ladened mouth.

Alex moaned out as the lion lowered his mask and began passionately kissing him, the shepherd's mouth only tasting like cum to the doctor.

Before the doctor could let him enjoy it, he pulled away, dropping back to the floor. Suddenly, the restraints gave way, leaving Alex free again. However, the doctor was close to him, placing a hand on his shoulder. "So, Alex, do you still want to leave? Or would you rather be here as my test slave?" He laid the options out as obvious choices, and did not try to force the shepherd to either decision.

The enjoyment of the kiss was short lived, as the lion pulled away. And then suddenly, the restraints gave way, letting him fall to the floor. The shepherd heard that he had a choice, and thought for a moment, before saying"I-I'd rather stay here."

The doctor gave a look of concern. "What's the matter? I thought you wanted to leave. You really want to stay here, under my control?"

Alex nodded "y-yes doctor. I want to stay here, under your control"

The doctor chuckled. "Then we have much work to do, my good little pup."

The shepherd nodded again "What work, sir?"

His grip on Alex's shoulder tightened. "Very interesting, erotic work. Some involving you, some involving me, but at the end of the day," the doctor teased Alex's bulging cum belly "you're going to be a slave to my pleasure work. How does that sound?"

The shepherd listened, and nodded "It sounds great his cum belly was soft and sloshy to the touch, not quite all turned into pudge yet.

"Then get ready, pup, for there is so much more in your future."

"Yes sir, I'm ready"