Adrenaline Rush - Tune Up

Story by Serathin on SoFurry

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#5 of Adrenaline Rush

Zenny's racing and academic life begin to clash when one of his classmates gets suspicious of his increasingly odd behavior and decides to investigate.


Adrenaline Rush - Tune Up

Zenny awoke groggily to the sound of knocking at his door, the stale taste of alcohol and cum still on his tongue as he shifted out of bed. He nearly tripped over Ember and the leashed leopard that he was sleeping next to, both of whom were passed out with a look of bliss on their faces. The events of the last night slowly came back to him as the veil of sleep was lifted, a smile creeping across his face. His prize from the last race was more than willing to service them both, and Ember had been very grateful that he was willing to share.

A second knock at the door ripped his attention back into the present and he quickly found a pair of pajama pants and an old shirt to get on before leaving his bedroom. "Coming!" He shouted as he bolted towards the door. He hoped that it wasn't the RA or campus police, still unsure of how much noise the three of them had made when they came home. When he opened the door, however, it was one of his friends that he had lab with, an otter named Brent.

"There you are." Brent said before he recoiled slightly in surprise. Zenny had skipped the class that they were in several times in order to be prepared for the race, so his friend had not seen his enhanced form until now. Even with the pajamas and the t-shirt, both of which had gotten quite tight since his racing spurts, he could see that the dragon had grown quite a bit in both muscle and stature since the last time they had talked face to face. "Whoa... have you been hiding out in a gym or something all this time?"

Zenny could feel himself begin to blush slightly as the otter continued to gawk at him. "Nah, just keeping to my new routine, eating right and jogging and such." He lied. Honestly he couldn't believe it himself when he looked in the mirror that the muscles he saw were actually his, his body gaining a tone and definition to it that made it look like he had played sports his entire life. "So what brings you here?"

"Lab assignment." Brent replied as he held up the small stack of papers. "We were supposed to get this done together a week ago but you skipped class again. Figured I would drop by so we can hand this in next Friday."

Zenny mentally smacked his forehead when he realized that he had completely forgotten about their partnered project they had to do. He had been skipping a number of classes in order to race, though once or twice he had done it just so he could go to a party that one of the other drivers had held throughout the weekday as well. Yet despite his lack of his attendance his grades had actually improved, he still managed to find time to study and also found that his focus had been sharpened to the point where he only needed to read something once to fully remember it. It was to the point where long as he didn't skip any mandatory labs or miss any assignments like the one in front of him he was possibly going to make it on the Dean's List.

"Yeah, let's get started on that as soon as possible." Zenny said, his head turning as he suddenly heard activity coming from his room. "Do you want to meet at the cafeteria around lunch time? I have some errands I need to finish first."

Brent nodded and handed him his half of the papers just as his bedroom door opened. Brent's jaw dropped slightly as the leopard, still wearing the collar and leash and only the pair of spandex shorts, walked out of his room towards the bathroom. Zenny sighed slightly as his friend looked at him in disbelief, trying not to look into his eyes as he started to close the door. "I'll text you later." He said, shutting the door before his friend could ask him the obvious question.

"Great party last night." Ember said as Zenny walked back into the bedroom. "Onyx went to take a shower, I hope you don't mind, I gave him one of my towels and toiletries."

"No problem." Zenny replied hastily, setting the papers on the floor and chewing a claw-tip. "One of my friends from class was at the door, wondering where I've been and such."

"Oh?" Ember said as he stretched, only to freeze as his eyes widened slightly. "Oh... did he see?"

"Yeah." Zenny replied as he put his head in his hands. "He knows that something is up, I still reek of sex, alcohol, and exhaust and there was a half-naked man with a collar and leash on it coming out of my room. If he tells one of my professors about this my academic career could be in serious trouble, not to mention if they start to poke into where I've been going at night or the fact I shacked up my boyfriend in my dorm room."

Ember was about to reply when he suddenly fell silent, looking away from the dragon as an awkward look passed over his face. "What's wrong?" Zenny asked.

"Nothing!" Ember quickly replied, trying to smile despite himself as he rubbed his headfur. "I don't think it's going to be that big of a deal really, just go talk to him and tell him that Onyx was a friend of yours crashing for the night and he's one of those gothy type people that are into wearing collars and leashes all the time."

Zenny sighed and nodded. "I guess that's the best I can do right now, at least he wasn't naked when he walked out."

As they continued to talk about the possible ramifications the leopard walked back in, towel around his waist and Ember's toiletry bag in hand. "Thanks for letting me stay here last night and the shower." Onyx said, blushing slightly as he tossed the towel aside. "I was just wondering if there was anything you'd like me to... do for you before I left?"

"Oh, uh..." Zenny and Ember looked at each other as the naked leopard stood there, a tent forming around their groins as they shook their heads. "I don't think so Onyx, you just showered and all and it would be a shame to get your fur messed up again. You're free to go."

The leopard nodded and got dressed, then finally took of the collar and set it down in front of the dragon. "Bring it to Sykes' party, you do want to show off your trophy after all, don't you?"

Zenny could feel his pulse begin to race as he grabbed onto the leopard's hand before it could retract away, pulling the slightly surprised feline down into a deep kiss. He wasn't sure why, but just hearing the cat call himself his trophy drove him wild, his tongue darting into Onyx's mouth and causing him to let out a small groan. Once their lips parted Zenny let out a small gasp of surprise at what he had just done, though the leopard gave him a small smirk and turned towards the door. "See you around Zen." He said simply before he left, leaving the confused dragon in his own contemplations.

"I'm very surprised that the beast let that one go with just a kiss." Ember said after he had watched the leopard's swaying form leave. Zenny just looked at him, then down at the desk. He had begun to wonder just how much influence that his 'inner beast' would have on his non-racing life. There had already been subtle changes, his normally flawless attendance record had already been compromised in several areas and more than once he had called in sick to work in order to engage in racing activities. Though as he eyed Ember pulling out their latest winnings and stacking the cash into their respective splits and money for the car he wondered why he even held onto that job, he made more in one day of racing then he did working there for nearly two weeks.

"So what are you going to do about this friend of yours?" Ember asked suddenly.

Zenny sighed and started to pick out his outfit, though it had become more of a chore since most of his clothing had become very ill-fitting. "I'm just going to talk with him." Zenny replied. "Perhaps he'll just let what he saw go. It is college after all; perhaps he'll just chalk it up to experimentation."

*********************************************

It was twelve thirty when the dragon walked into the busy cafeteria, immediately seeing the otter in one of the booths eating. After he had gone and gotten something himself he sat down in the opposite seat, pulling out the papers he had been given earlier. He had begun to work on them as soon as he had freshened himself up while Ember went off to grab parts for the car. "I managed to get a jump-start on several of the molecular chain reactions." He said as he showed him his work. "The whole thing is actually surprisingly straight forward so I think this won't take long."

"That's great, but it's not exactly why I dropped by." Brent replied as he played around with a stray shrimp that was on the edge of his plate. "A number of people are worried about you Zenny, you just haven't been yourself lately. I don't know what it is but your mood, your way of speaking, even just the way you sit or walk has changed. Plus there's the fact that most nights you've dropped completely off the grid, and those nights that you are on campus you're in the engineering building."

Zenny took a drink of his soda as Brent talked about his changes, eyeing up the otter while he talked. "I honestly think you're all overreacting." Zenny replied once his friend had finished. "My grades are still up and I look and feel better than ever before. All I've done is found a new hobby, that's it."

"Oh really?" Brent said skeptically. "Does this new hobby of yours involve nearly naked men on leashes in your room?"

"My personal life is none of your fucking business." Zenny shot back, though the force of his words surprised even himself as the otter looked at him in slight shock. "Look, I know that I've gone through a few changes, but they've been for the better. Once things equalize out a bit everything will go back to the way it was and my friends won't have to hold interventions for me like this. Now are we going to do this assignment or what?"

Brent grew quiet and merely nodded, reaching for his own backpack and pulling out a small stack of papers. For the next hour they worked in relative silence, breaking it only to ask each other questions. Zenny began to feel bad for snapping at him as time continued on and wondered if he should apologize for what he said. Before he could though his phone buzzed in his pocket, and he quickly opened it to read the new message that had been sent to him.

'The League wishes to speak with you immediately concerning your standing within it. Please report to the Factory as soon as you can to discuss this matter.'

Zenny's stomach sank like a stone as he read the message over again, and then put the phone back in his pocket. Had he done something to anger them, he wondered? His mind began to race as he thought of all the possible things that he could have done wrong as he packed up his stuff hurriedly. "I have to get going; something has come up in one of my field studies." He lied as he zipped up his backpack. "We'll finish this some other time, ok?"

"Yeah, sure." Brent replied as he watched the nervous dragon get up and leave the cafeteria in a hurry. Zenny immediately made a beeline to his car and got in, the engine revving to life as he drove off the campus and over to the Factory. He was so caught up in his own paranoid thoughts that he failed to notice the car behind him as he traveled...

It took him only half the usual time before he rolled into the factory parking lot, the building looking far different in the day then when he usually visited it. He immediately saw the overweight naga sitting there waiting for him, giving him a small nod and ushering him over towards the door. Zenny wasted no time in crossing the hot asphalt, the naga giving him a pat on the back as he opened the steel gate for him, and then closed it behind him.

The inside of the Factory was eerily silent, save for several of the racing officials in the registration area talking about their next race set-up as they straightened things up. As Zenny walked over the club side he could still smell last night's party in the air, though the place was remarkably clean for the usual aftermath of such an event. When he reached the normal gathering area for the bottom tier racers he saw a familiar face standing there, which caused the dragon to breathe a sigh of relief. Sykes smiled and hugged him tight, then beckoned him further up.

As they walked up to the second floor of the factory through the tiers of the club Zenny was astonished by the differences that there were. Where the Dust Derby had only a small bar and a concrete floor for everyone to stand on the next tier up looked like a proper club, complete with full bar and chairs. It only improved with each tier they went up, and by the time they had reached the top floor Zenny had grown slightly envious of the higher-ups and the amenities they enjoyed. When he saw who waited for him there though, all other thoughts had been pushed away from his mind as his jaw went slightly agape.

"Hello Zen." The deep, rumbling voice of the midnight-black horse said as he sat there, completely naked save for an ornate necklace on his neck. "I've heard good things about you."

"Nightmare..." Zen mumbled, nearly falling to his knees at the sight of the god-like male before him. His muscles were so perfectly defined it looked like an artist carved them. His fifteen inch cock stood out proudly before him, the taut black skin glistening in the light like a pillar of obsidian. It took all of the dragon's will not to be mesmerized by the thick piece of flesh and focus on Nightmare's face. "I... I came as soon as I could."

"Relax, little one, you're not in trouble." Nightmare said with a low chuckle as he looked at the astonished male. "In fact it's quite the opposite. I watched you race last night and I have to say your moves are quite impressive. That and the glowing recommendation that Sykes had given you has affirmed in my mind that you have quite the natural talent for racing. We would like to invite you to move up into the next tier."

Zenny's heart nearly leapt up into his throat as he heard the news that the massive horse gave him. While he and Ember had their sights set on moving up they hadn't expected to do it so soon. The bump in prize money alone would be worth it, and even though the races would be far more challenging he would draw far greater satisfaction when he won. "I would be honored." Zenny finally replied as he realized with some mild embarrassment that he had just been standing there while he had fantasized about it.

"Excellent, then it's time to celebrate." Nightmare said with a small smile as he snapped his fingers, several men coming out into the light with trays of drinks and food. Zenny had seen brief glimpses of those who had served the upper tiers before, but now he was able to see them close up as they gave him and Nightmare a glass. The servers were dressed in full-body black rubber suits with thick metal collars and wore hoods that made their faces almost featureless, giving them a surreal look. Their bodies were thin and lithe, quite the opposite of a racer's build. Several of them had horse-hoods and tails, what the dragon surmised to be Nightmare's personal servants as they began to wait on his every need.

"As you can see, it pays to be on top." Nightmare gloated as he watched the dragon gawk at their servants. "Something to help motivate you to continue to push yourself up in the league. These servants are willing to satisfy your every want and need, and when you reach this level you'll even have a few that will personally tend to you. That's only when you don't have another racer you've beaten to do it for you of course." Nightmare snorted at that, his smirk tinged with lust as he looked down at the dragon. "Do you know that I haven't had to touch my cock to pleasure myself in over a year?"

"That's amazing." Zenny replied, growing slightly nervous as the huge horse began to look at him with a predatory gleam in his eye. A growing part of him though had actually started to hope that Nightmare would usher him forward, though he would dare not initiate anything with such a superior creature. No... he would need his permission to do anything while in his dominating presence.

"I can see the want in your eyes Zen, the need to wrap yourself around this cock." Nightmare continued to smirk. "I have initiated many racers into the higher tiers with this tool, which is my right as the head of this league. You will be no exception today, come and pay homage to your superior."

Zenny didn't need to be told twice, nearly leaping forward as he was given permission to come forward. As soon as his hands wrapped around the thick member he could feel it jump slightly from his touch, the veins pulsing under the skin. He could feel the horse's heartbeat as he licked up and down the shaft, causing him to shudder slightly. Even the feel of that magnificent cock was like holding pure power in his hands, his eyes glassing over slightly as his mind was consumed by the presence before him.

"Strip for me dragon." Nightmare commanded. Zen took a step back and quickly threw off his shirt, letting him admire his latest conquest as the pants and underwear went off next. His scales shined in the light as he resumed his ministrations to Nightmare's cock, using his naked body to help rub against it as his tongue swirled around it.

"How does it feel dragon?" Nightmare asked as he watched. "Losing yourself so completely to the mere presence of another male. Giving yourself completely to me, mind, body, and soul. If I wanted to I could make you nothing more than a mere puppet, a plaything of mine to use however I wish. And you would want it; even beg for it, if it meant that you could soak in my aura for even another second."

Zen's mind struggled with the concepts given to him as he took the flared head into his mouth, his cheeks bulging with horseflesh as he struggled to fit as much as he could. "That's right; you don't think when you're around me." Nightmare ordered. "Your beast can whimper in the corner and watch as your only need becomes to pleasure the body you have so willingly submitted to."

Nightmare's words soaked into Zen's mind and became truth to him; all that mattered was the male whose muscled quivered under him as he slowly slid his head up and down the thick shaft. All that mattered to him now was to pleasure the horse, which in turn gave him pleasure as the head bumped against the back of his throat. He began to drool slightly as his mouth was stretched wide open, the horse's thick hands grabbing onto his horns to move him even faster. His hands gripped against the silken flanks of the larger male as the huge cock began to slide down into his throat, his eyes widening as his throat muscles were stretched wide.

After what seemed like only a moment the foot of cock that had been stuffed into his maw slowly slid out, Zen gasping slightly as the last of Nightmare's length left him. He knew though that it had only been a warm-up as the horse slowly curled a finger, prompting Zen to climb up and straddle the muscular body in front of him. His tail wagged in anticipation as the saliva-slicked member pressed up against his tailhole, a shiver running through his body as he felt the head press up against the thick ring of muscle. Even though he had never taken anything as huge as what laid directly beneath him before, his body was more than ready to take it as he began to slide down on it.

Zen let out a small gasp as the first few inches slid into him easily, his scaly chest rubbing against the horsehair-covered eight pack beneath him. He was only given a couple seconds to adjust before Nightmare demanded more, bucking his hips upward and sinking nearly half a foot of horseflesh into his tight confines. All he could do was hold onto the hard body of the horse, his head buried in the nape of his neck as his insides were pushed apart by the invading appendage. There seemed to be no end to it as more and more disappeared into his body, until finally he felt his scaly cheeks bump against the horse's groin. It was hard for him to believe, but somehow he had gotten all fifteen inches buried deeply in his stretched hole.

As Zen felt Nightmare's hands grab his hips and draw him up one of the servants came up to him with a small scrap of paper that he took. "Hold dragon." Nightmare commanded as he let go of him and opened the message. Zen held back a small whimper as he crouched there, staying as still as he could with the head and nearly four inches of horseshaft inside him. Once he was finished reading he slid Zen down once more, this time far quicker which caused his entire body to shudder in pure bliss.

"It appears we have another visitor." Nightmare said as slowly spun the dragon around while still hilted deep in him, his anal walls clamping down on the huge tool as he faced the front. For a moment the haze of submissiveness lifted from his mind as he saw a familiar otter kneeling there, his hands tied behind his back with a zip-tie as two of the servants held him in place. "So, little otter, thought we would have a look around did we?"

"Brent?!" Zenny shouted, though as soon as he tried to get up he felt the cock within him flex, brushing against his prostrate and causing his eyes to roll back slightly.

"Zenny, help!" Brent cried out as he continued to struggle.

"Zen can't help you now." Nightmare smirked as he rubbed his hand up and down Zen's scaly, defined chest. "He's enthralled to me at the moment. You can help yourself though, seeing as how I'm in a particularly good mood at the moment I'm willing to offer you a choice. You can either leave here now and forget that any of this ever happened, or..." he grabbed the dragon's throbbing, erect member and pointed it at him "you can come on as a servant and I'll let you suck your friend's cock while I fuck him."

What was left of Zen was amazed that Brent didn't just get up and bolt for the nearest exit, especially given the situation that was in front of him. "I can't... I never..." Brent said as he was stood up, his erection obvious in his pants as he was brought to his feet and his bonds cut. The aura that had so ensnared Zen was already starting to affect him as well, perhaps even more since he wasn't a racer. The overwhelming feeling of dominance was crushing his untrained psyche, and the longer he stood there the more he succumbed to the feeling. "I... don't know..."

"It isn't rocket science, little one." Nightmare finally said as he began to thrust up once more, causing Zen to moan in surprise at the sudden spike of pleasure he got. "Servants, bring him here and get him ready, he's obviously made his choice."

Zen watched as the two rubber servants quickly stripped the docile otter with practiced ease, the otter not even putting up a fight as he became naked. Once his brown, furry body was exposed they brought him over, bringing him to a kneeling position right in front of the two bucking males. If he hadn't been so controlled by the cock inside him he would have asked why he was doing this, why his friend hadn't taken the opportunity to run when he could have. Instead all he could get out was a small moan, slightly muffled as Nightmare stuck a finger in his mouth to suck on.

"That's right, little pet." Nightmare cooed as Brent licked his lips before bringing them down on Zen's hard cock. "Fill the role you were born to play, to serve us in our every need. Just the thought of all these powerful, lustful males dominating you brings you to a state of ecstasy that you had never even imagined before. Outside these walls you will still be you, but when you're inside and suited up you'll be just another faceless boi to serve our needs and pleasures."

Brent moaned around Zen's cock as he began to suck even more fervently, the horse's words rooting themselves in his mind. The other servants had disappeared briefly, only to have come back with a rubber suit and hood with a collar similar to theirs attached. Working together they managed to slide the otter's body into it while he continued to service his cock, his fur lost under a sea of black rubber as it slid all the way up to his neck. Brent's hands teased Zen's scaled thighs, his mouth completely stuffed as the thrusting from Nightmare slid it in and out of his mouth, his passions growing even stronger now that he was almost completely encased in rubber.

Suddenly a pair of rubbery hands grabbed Brent by the sides of his head and pulled him off Zen's draconic length, making a lewd slurping noise as it slipped passed his lips. Before the dragon could even blink they had taken the hood and collar and slipped it over the otter's head, the last identifying vestiges of his friend disappearing as they locked it into place. Once they had finished with it they let him go, the latest faceless servant diving back down and resuming his licking and sucking of his sensitive flesh.

With the warm maw of his friend and Nightmare rubbing against his prostate with each thrust it wasn't long before Zen's cock erupted in orgasm, shooting his load down the rubber servant's throat as his tailhole clamped down on Nightmare. That seemed to be what the horse had been waiting for, as his slow, powerful thrusts turned into quick jabs he gripped his hips and pounded even deeper into him. After almost a minute he could feel the thick muscles beneath him tense up, his hands digging into the chair as a torrent of hot spunk was shot into his bowels. Jet after jet shot into him, making him start to feel bloated from the sheer volume.

Once the two of them had settled from their cumulative orgasms Nightmare sent the otter servant away, who stood up without a word and moved back to the others. Zen had a hard time keeping track of which one was his friend, especially as he felt the horse cock that had been stretching him out slowly vacate his insides. "Your friend is waiting for you in your new section once you've gotten yourself cleaned up." Nightmare said as he popped free with a small groan, several strings of pearly white cum dribbling out of the used hole in front of him. "Welcome to the fold, Zen..."

********************************************

A few hours later Zen had recovered enough to walk, though he did so slightly bow-legged as he made his way to the new level of the club he had been promoted too. There he saw Sykes sitting on the couch and playing a game on the television, which he paused as soon as he saw him. "So I take it the meeting with Nightmare went rather well?" He said with a knowing smirk as he handed him a full shot glass. "Here, to celebrate and help ease the discomfort from having Nightmare ream you for the last hour."

Zenny nodded and drank down the shot, nearly getting knocked to the floor from the strength of the alcohol. "Thanks Sykes." He said as he took a seat next to the large eagle. "Sykes... I need to ask you something, it's about someone that Nightmare had turned into a servant while I was with him."

"Oh, are you talking about that pervy little otter?" Sykes replied, switching his game back on and handing Zenny a second controller. "Yeah, the racing officials found him stroking off while watching you and Nightmare go at it. At first they were just going to slap a gag order on him and send him on his way, but apparently it was indicated that he may enjoy working here instead to atone for his trespassing. If he was turned into a servant in front of you then that must have been in his mindset all along, otherwise he would have just left."

"I see..." Zenny said, slightly astonished. "I had just talked with him today, I can't imagine him wanting to indulge in a lifestyle like that."

"Everyone has a dark side to them Zen." Sykes replied as he poured another shot while still focused on the game. "You just never know what you're going to get when you expose it..."