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The Shark Fin

By Zrathie

Zeek wasn't sure if signing up to be a test subject was a good idea. He was back in the testing chamber standing in front of the machine. It was a machine that transformed the shark into a rubbery article of clothing. A bio-suit, a full body garment designed to protect its wearer from environmental hazards. Zeke couldn't believe such a process was real. Yet here he was about to undergo the process again. Zeke stood at the threshold of the door of the machine.

He wasn't in a hurry to be transformed back into a bio-suit considering what happened the first time. He had been forced to endure being an object, an article of clothing. He had been creamed on and pissed on and forced to taste his wearer's body waste. His body had been hollow and helpless to do anything but to endure this treatment.

"Step inside the machine," said the fox researcher.

Zeke stepped inside the machine. Whatever they had done to him the first time had left the researcher in control of his body. The fox had an app on his phone that controlled him like a television remote. It was better to comply before the choice was taken from him. It was much like a computer program in his mind. Zeke had chosen to obey. The door closed and the noisy machine roared to life. Inside the dark machine, Zeke waited for the transformation process to start. It took a few minutes for Zeke to feel the first changes.

It began with his skin feeling more rubbery. It changed his skin first. He noticed much sooner because he was paying close attention to the changes this time. Zeke sat down inside the machine as he prepared for the next stage. Sure enough, his fingers and toes started to feel numb. He brushed his hands over his chest. He could feel his hands had become hollow like empty dish gloves. Only the rubbery skin remaining. He didn't panic like the first time. It didn't do him any good then, and he took a small amount of solace that this process was reversible.

His transformation was still underway. It spread up his limbs, his flesh and bone dissolving just leaving his new rubbery skin. He slid back on the floor as he flopped about with his arms and legs becoming hollow. It didn't hurt, but it still filled him with fear. Even the muscle and bone of his shark tail was dissolving and hollowing out. Zeke could breathe for now, but he knew it was a matter of time before that privilege was taken away too.

As the process reached his shoulders and pelvis, Zeke was overcome by an irresistible urge to yawn. He opened his muzzle wider and wider until it opened past the point it could naturally. It kept stretching wider. He let out a gurgle as he knew he was changing without his control. His head deformed and became a neck hole. A slit ran down his back that was his opening for others to climb inside his "skin" and wear him. His torso and abdomen had hollowed out, and his chest and stomach collapsed in on themselves with nothing to hold them up.

He no longer needed air to breathe or blood to flow let alone a heart to beat. He was just an empty rubbery skin and object to be worn. Any movement was impossible without any muscles or bones of his own. he was just a floppy heap of rubber laying inside the machine. Thankfully he could still see via a camera mounted in his chest. The door of the device opened, and he saw a figure bend down and lift him out. It was the fox again.

"I've added to your programming you should now be able to capture and store your wearer's biowastes," said the fox.

Even though Zeke couldn't respond, he was reassured that at least the fox was speaking to him and hadn't forgotten he was a creature at least on the inside. Whatever that meant for a hollow rubber bodysuit. The only part of Zeke still solid was his shark fin. The fox was right, it was a holding tank for biowaste his programming was telling him that at an almost instinctual level. He hoped he could transfer his wearer's biowaste this time and not have it congeal in his foot paw socks. With nowhere else to go but to follow gravity.

Zeke was folded over the fox's arms. The fox researcher was petting him like a cat. Zeke could taste his paws as they ran over his body. Was the fox reassuring him or perhaps just enjoying his glossy rubber texture over his paw pads? Zeke tried something, he concentrated and found he could block out the taste of those paws. This was progress! It must be something the researcher added to his programming. Again Zeke was hung on a rack inside a room. He wondered who his next wearer would be.

The ex-shark didn't have to wait for long to find out. Zeke could feel someone pick him up. They slid a foot paw inside his hollow left leg. Next came the right leg. Zeke was pulled up around the middle of the creature. A long thin tail was fed into Zeke's tail sleeve. The ex-shark could tell that this creature was feline. Judging from the shape of the tail alone. The beast pulled up Zeke around it's or his chest. Whoever his wearer was it was a he. The sheath and balls sitting inside Zeke's now sexless crotch gave that away.

The feline continued to put on Zeke feeding both his arms into the ex-shark's hollow arm sleeves. This fur seemed to have worn a bio-suit before because of how fast Zeke was being put on. Zeke's suspicions were confirmed when he announced to the creature he was doing his automatic calibration. This feline didn't jump at Zeke's voice seemingly speaking in his mind. Zeke had no idea how to talk to him his programming had spoken for him with any of his input. It was his voice but not him speaking.

The ex-shark's body began to contract and mould to the feline's figure. Again, this didn't bother the feline. The feline stood still as Zeke's body tightened around him becoming a second skin. His back opening fused closed sealing the creature inside his rubber body. Soon Zeke could taste his fur. Zeke concentrated and somehow switched off his taste sense. He was getting better at controlling this part of his new body. Zeke's bio-suit body was slowly becoming more controllable. He could still feel how tight he was against this feline's fur. This guy wasn't concerned with vanity, unlike the arctic wolf who had put him on the first time.

He left the room and walked out into a hallway. Zeke hugged him tightly. He was relieved there wasn't any sexual component at least for now. This guy was all business. Did his wearer know that he was wearing somebody and not just something? The arctic wolf sure didn't, he was just an object then but was he still an object to this feline? He couldn't ask those questions only go where this feline went.

Zeke didn't capture a glimpse of his wearer until his appearance was reflected off the glass of a door's window. He was a black panther with cool blue eyes. His wearer entered the room and began working with some agar plates and an incubator. He took a seat on a stool in the lab and continued his work. After a while, Zeke was getting bored. He had a fixed vision of the workbench in front of him. He could see what the panther was doing, but he had no input.

It came as a shock when the panther began to piss himself not even pausing what he was doing. Zeke panicked, as much as a bio-suit could. That is to say only in his mind. The awful taste was saved him, but there was still the sensation of hot piss flowing into his body. Zeke didn't realise until a few moments that the panther's piss wasn't trickling down his legs. It was being collected inside a bladder made of Zeke's rubber membrane. Zeke could capture his piss this time but where would he put it?

The fin! He had to shift this ballon of piss around to his shark fin. His fin was where he was meant to store this biowaste after all. It was what his programming that had told him. He experimented shifting the balloon of piss left and right. He could contain and move this small bladder of his wearer's piss. His mind was filled with a sense of urgency. He knew he was meant to protect his wearer from the harmful waste products of his body. He had to remove this piss ball from the panther's crotch.

Zeke shifted the ball around behind the panther and up his spine towards his fin. The rubber membrane kept the piss contained he wasn't pushing piss through his wear's fur but completely separate from his wearer's body. The ball of piss arrived at Zeke's fin. Zeke pushed the piss inside and felt relief from his urge to keep his wearer clean. It was then Zeke noticed a new urge. It felt like he had to pee. It was like Zeke had a bladder again. It was that same feeling, but it was impossible, he didn't have a bladder let alone organs anymore.

Was he meant to do something to this piss stored in his fin? Zeke had no idea what to do next, but at least he didn't have to taste the panther's urine unlike with the wolf. A twinge in his "bladder" was a small price to pay for this increased level of control. This panther was still working away oblivious to Zeke having awareness and not just being an inanimate article of clothing. The panther continued work for a few more hours until he stopped for a coffee break.

Zeke was walked to the break room. Inside the break room, the panther switched on the coffee pot. As the panther waited for the coffee to brew, he twisted from left to right. Zeke wondered what he was doing. Another release of urine answered Zeke's question. His wearer was wetting himself again. His piss was filling another of the ex-shark's containment balloons. Zeke repeated the earlier process. He collected his wearer's piss and moved it up to his fin. He was more proficient now and did this process more quickly.

Zeke's fin was beginning to feel a little uncomfortable. It was the approximated feeling of needing to pee for the ex-shark. There was nothing he could do about it. He was starting to worry that this was part of more missing programming. He must be meant to do something with the biowaste. This feeling must be the program or body urging him to do something, but he just didn't know what.

The rest of the day was uneventful. He found out his wearer's name when another called him by it in the lunchroom. The panther's name was Bali. Zeke may as well not have a name anymore he was just an object. An object that needed to pee without having a bladder. His fin must be meant to process Bali's biowaste, but it was another case of knowledge denied. Zeke was an imperfect machine.

It appeared that his panther was staying at the labs tonight. He had been assigned a small room with a cot. Bali had to sleep on his side due to Zeke's fin. Thankfully he didn't piss again before climbing into bed. Zeke didn't know if he could sleep how he was. Was there a sleep mode? He could feel his wearer deeply breathing. He must be asleep. Zeke didn't feel tired, and the constant nagging feeling of needing to piss wouldn't let him fully relax.

The room's walls were painted white, and the floor was a medical grade flooring seen throughout the facility. It was smooth and had a blue tone with a crushed gravel design. The cot just had plain white hospital sheets and a thin mattress. It didn't seem the phase Bali. The panther had made himself comfortable somehow. Comfort was a rare thing for Zeke now ever since he had become their guinea pig.

He was on his wearer's timetable. Some hours passed in the small darkened room. Bali slept while Zeke waited. The windowless room was very dull for the bio-suit. While the panther was working Zeke had something to keep him distracted, here all he could do was wait. It took another two hours for Bali to stir. He began to wake up. He was still in bed, but Zeke could tell he was now awake.

The panther bent his legs into a sitting position as he laid under the covers. Zeke was wondering what the feline was doing. As Bali let out a loud fart, it was becoming more and more apparent what he was about to do. Zeke didn't want to face up to what was about to happen and pretended the panther just had gas. Suddenly Zeke could feel movement centred around Bali's tail hole.

Zeke was shocked when this horrific sensation became apparent. There was a mass poking into him coming from the panther's tail hole. Zeke couldn't deny it any longer he was being shat inside of. Now, he was very thankful that he had control over what he could taste more than ever. It didn't make it less disgusting though. Zeke contained the first log of shit as it came out. He held it in the same type of rubber balloon that he used for Bali's urine.

Zeke would be dry heaving if he still had an internal form. Still, he was grossed out beyond words. This panther didn't even bother getting out of bed he merely moved his knees to his abdomen, raised his tail and let loose. Zeke moved the soft shit up an away from Bali's tail hole and up to the fin. If Zeke had a stomach, he would have puked. He could feel the revolting texture of Bali's faeces as he moved the dung into his fin.

A new horror came when he pushed the waste inside his fin. Zeke felt a sense of needing to defecate himself. This was on top of the full bladder feeling. No, no, no! Bali was still going. Zeke could only continue to shift the contained dung up against his spine and into his fin. Zeke squeezed more of excrement into his fin. This made the bloated feeling even worse. The panther's relief was his suffering.

Looking back Zeke should have known what would happen next, but he was still reeling from having the sensation of soft shit flowing inside the rubber containment balloons running up his back. Bali let loose his morning piss. Zeke didn't know how he could take another load of piss, but he had no choice he was doing what he was programmed to. The panther's massive morning piss was captured and added to his now bulging fin.

By the time the panther had finished Zeke felt like he was going to burst. The three loads of piss and one load of shit was making the ex-shark feel like he needed to both defecate and urinate at the same time. It was a strong feeling he wanted relief, but unlike with his shark body, he had no way to meet those needs. Zeke silently panicked as Bali rolled out of bed. The panther was content having done his business, but Zeke was in distress. The ex-shark had no way of communicating with his wearer that there was a problem.

As Bali got out of bed and walked out into the hall Zeke was in a panic. His fin was bloated and distended. He had a feeling like he was busting for the loo as well as needed to take a shit all at the same time. The feeling was made worse by the panther's movements. Bali was walking along oblivious to Zeke's suffering. The fin rocked back and forth, and the waste inside sloshed around like in a washing machine.

Zeke was given mercy when the panther stopped in the lunchroom to pick up some breakfast. It didn't give him much relief. He was a fool! He had signed up to be a walking septic tank and had to endure this degrading experience. He wished the fox would come back and change him back or at the very least empty his bulging fin. There was no telling when he would get relief or be returned to his shark form again.