Rare Science

page views:1 Publication date:2023-06-11 09:49:12

My name is Mariko. Not to brag, but I'm a scientist, specializing in mechanics, so calling me
a mechanician wouldn't be an exaggeration.

With such a brilliant mind, I also possess a devilish figure and an angelic face. My long, slender,
alluring legs, clad in black stockings, are as seductive as a model's. A slim waist, round, firm buttocks,
and a pair of beautifully shaped, perfectly sized breasts.

I can proudly say I have everything a woman should have.

And right now, I'm in my laboratory, testing my own masterpiece.

No…

being tested by my own masterpiece.

I stand completely naked, my legs spread wide in an exaggerated pose. My feet are cuffed
to the ends of a long horizontal bar at the bottom of the machine, my ankles tightly bound by stainless steel shackles at the ends, leaving no room for movement.
This puts me in a shameful position, my private parts completely exposed. If my vagina and the pink flesh inside were to be
seen , they would be completely exposed. Just thinking about it makes me almost faint with shame. However, I
had no time to fantasize about the shameful scene of being seen naked by men, because my legs were spread to their limit, my thighs and
the long stick beneath my feet almost forming a right-angled triangle, making me extremely painful.

And the pain wasn't just from the force of my legs being spread apart. Right between my legs, that devilish machine was
in motion. In the center of the wooden stick was the main body of the machine. It looked a bit like a waterwheel, except that it was powered by
a motor, and instead of water buckets, there were belts instead of water collection buckets.

Belts, you know… those props used for whipping and punishment in SM games.

That's right. I fixed them to the belts. So when the motor ran at high speed, the belts would
rotate, and due to inertia, they would whip everything… anything that appeared in their path.

And at that moment, that thing was me.

To be precise, my open pink vulva and cute buttocks.

From the beginning, the belts had been mercilessly striking. Striking my buttocks, my vulva. To be able to
hit both my buttocks and vulva at once, I had even specially modified the belts. Two rotating belts, one long and one short, were created
. The shorter one was used to clean my vagina, while the longer one was used to color my buttocks.

My buttocks were numb from the belt's whipping. My vagina hurt so much it felt like it wasn't even mine.

Tears streamed down my face, urine and vaginal fluids splattered, and I could even see the saliva strands from my crotch sticking to the belt.

Before I could even notice the pain in my lower body, a surge of stimulation, like an electric current, coursed through my upper body.

In fact, it was an electric current.

I was wearing a black rubber corset around my waist. The corset was very tight, even smaller than my small waist.
This squeezed my internal organs almost together. And this specially made corset even had burrs inside. Even more terrifying, the corset was connected to wires, integrated with the device in my crotch. The electric current was released
by that devilish device that whipped my crotch. 　　And there were metal clips on my nipples, with small light bulbs soldered to one side of each clip. The left nipple was green, and the right one was red. They were also connected to wires. 　　My hands were tied behind my back, in the most severe M-shaped binding, and I couldn't move at all. 　　When the current flows through the wires, stimulating my nipples and waist via the corset and clips, I can't help but moan and scream. 　　I truly don't understand why I created this devilish machine, and even less why put myself on it. 　　My consciousness oscillates between pain, pleasure, and hazy sensations. 　　Just when I'm about to faint from the stimulation, the next round of stimulation begins. 　　It's a devil's cycle. 　　"Next. Hurry up, you sow." 　　A female voice came from behind, though it was somewhat stern. I liked that voice. 　　The speaker was Ms. Chie. Like me, she was a scientist, but her specialty was chemistry. 　　Why was she standing behind me, operating the devilish machine? 　　My consciousness was a bit hazy. 　　I remembered... Ms. Chie, who was also a beautiful woman, shared the same interests as me. We often had each other help test our creations. 　　So... this time, after I invented this devilish machine, as usual, I invited Ms. Chie to help test it. 　　In other words, Ms. Chie was the one who initially fixed my mother, who invented this device, onto it. 　　She circled around to face me, grinning at me. She was now wearing high heels, black stockings, and a white lab coat. To be honest, she looked somewhat like a scientist, yet exuded a peculiar allure. 　　That's what you call the effect of contrast, isn't it? 　　Ms. Chie pressed a button, and the wheel beneath me stopped spinning. I finally relaxed a little. Saliva was already dripping from my breasts onto the floor. Because my elbows were strapped to the stainless steel frame at the top of the equipment, I hadn't slipped off, almost like a limp rag doll. However, I figured I looked no different from a dried sausage. 　　Chie circled me, then tugged at the collar around my neck. (I put it on myself for the effect . I like collars.) 　　Then she poked my breasts with the end of a whip. I gasped in pain, my breasts heaving, which must have looked quite beautiful . 　　Suddenly, Chie's cute smile vanished, replaced by a devilish expression. 　　"Who told you to rest? Next one... you sow." 　　With that, Chie pressed the switch. The wheels and corset below me started working simultaneously, stimulating me to scream again. 　　I didn't dare delay, quickly focusing my remaining attention on the screen in front of me. 　　The questions were all multiple choice, but because of the stimulation all over my body, my memory was blurry. 　　"A, it's A," 　　I mumbled, looking at the question, drool splashing onto the screen. 　　"Are you sure?" 　　"Yes, yes," 　　Chie smiled, pressing the switch again. The question on the screen flipped over. Damn it. 　　The answer to the question was D.

Chie, like a demon who had granted her wish, mercilessly pressed her finger on the switch.

"No, don't!"

Ignoring my cries, Chie pressed the switch.

As the red and green lights on my nipples flashed alternately, electricity coursed through my body…

"If you make a mistake, you have to be punished. That's how you learn… Got it?"

Once again… my consciousness began to blur.

In the throes of pleasure, I gradually lost consciousness.

Finally… why did I create this damned machine?

…

"The accuracy rate is low."

Chie laughed, waving the answer sheet in front of me.

I was now freed from the devilish machine and dressed. But my buttocks and vagina still ached,
and I was incontinent, urinating uncontrollably. My nipples felt like they'd been ripped off.

Looking at the results, and then at the devilish machine quietly placed in the center of the laboratory, I sighed softly
.

"Looks like a big butt can't improve memory."

"A failure?"

Even if I didn't want to admit it, it was true. The initial idea for this device came from enhancing memory, and coincidentally
, a scientific organization published an academic paper on how the buttocks could enhance memory. On a whim, and with a bit
of personal interest, I invented this.

"I was even thinking of naming it 'Memory-Enhancing Machine No. 0'."

"I got 80 out of 100 questions wrong. My memory has completely deteriorated."

Looking at my creation, I was really reluctant to part with it.

"It'll have to be scrapped."

Just as I said this, Chie stopped me. I understood what she meant without her saying it; her
eyes revealed a look of wanting to try it out. That look... was just

like mine.

No wonder she's a perverted... scientist. We may be called scientists, but we're thoroughly sows.
Slaves to desire... hehe, otherwise, we wouldn't have made these things.

"Okay. I'll lend it to you later."

"Hooray, that's awesome. Mariko's machines are all very interesting."

"But I want to operate it."

My meaning couldn't be clearer. Revenge! I'll make that bastard who messed with me suffer taste this.

Chie, however, didn't care at all, patting her chest and blowing heavily, looking like she was ready to go for it.

That bastard, she seems to be enjoying it. Hopefully, it won't backfire.

"As usual, I've uploaded the test video online."

"Okay, remember to edit the face. It doesn't matter if you're confident in your figure."

Chie drew an "O" with her finger and went to caress my "Memory Enhancement Machine No. 0.
" Every time I create a new machine, I film the testing process and upload it online. Of course, the model is usually
me, and a few times it's Chie. These machines, which have little practical value, are generally ignored, but some
SM film companies or enthusiasts order them.

This money is my research funding.

Not bad, right? After all, supporting my enormous perverted desires requires more than just a few million yen.

It's good that Japan's sex industry is so developed.

That night, I tied up a visibly excited Chie and put the disassembled machine in her car.

...

Chie and I often interact.

Chie is a pervert. She's also a scientist, and a very remarkable one at that. She's known as a genius in the field of chemistry
.

It's a pity she's not a pervert. Chie will definitely make something of herself.

It's a pity Chie is a pervert. That's a good thing.

Thanks to Chie, my research has been able to proceed smoothly.

For example, that memory device last time left me covered in injuries. Thanks to Chie's special medicine,
my body has recovered so well. It's even more elastic and radiant now. Walking on the street, more and more
men mistake me for a model.

My proud scientist soul is roaring!

So... Chie, with her miraculous healing abilities, always makes some strange medicines. I wonder
what she made today?

As usual, Chie didn't tell me.

Although I think surprises are a necessary part of life, Chie's surprises... always make me a little
scared .

Chie's house isn't far, so I decided to ride my "Merry" bicycle.

I'm not short of money, I just have a special fondness for Merry.

Of course, this is also my own doing.

Originally, I made two identical bicycles, and I
gave .

At first glance, this bicycle looks no different from an ordinary bicycle.

But it has a

hidden mechanism inside. There's a secret door in the seat area. Just press a switch on the handlebars, and the door opens,
revealing a dildo that looks like a sea cucumber.

Yes, just like in AV films.

I can also control the dildo's modes with a switch.

Mode 1 is normal; as I pedal, the dildo
moves up and down like a piston, driven by gears.

Mode 2 is sadistic; I can adjust the switch to let the battery drive the dildo to rotate, move up and down, or both
. This mode is difficult to control. I only use
this mode at night when there are few people around.

I remember that time Chie and I rode to a faraway place, and our vaginal fluids were
everywhere, like they were free.

Before getting on the bike, I would take off my black silk panties.

I'm really lewd, unworthy of being a scientist; perhaps I'm more suited to be a sow.

I pressed the switch, making the sea cucumber-black rubber rod come to life, aligned my vagina with the dildo, and
then sat on it.

I pulled my skirt down so I could do what I liked, even during the day.

I started my bicycle, and with each pedal stroke, the dildo rhythmically thrust in and out of
my vagina. My face flushed, my cheeks rosy. If there weren't so many people around, I probably wouldn't have
been able to control my moans.

The Merry was my masterpiece.

No one would ever imagine that such a beautiful woman was doing such shameless and lewd things in public
.

What should have been a 30-minute walk took me a full 40 minutes by bike. I

finally arrived at Chie's house. As soon as Chie saw me, she lifted my skirt with a wicked grin.

"Playing by yourself again? You've got it all the way up, haven't you?"

Hmph, of course not. I'm not a pervert.

Chie clearly didn't listen to me and used her fingers to scoop out my vaginal fluid from my bare genitals.

My face turned red; I knew there was no point in saying anything.

Oh well, what could I do? She liked it.

"Let's not talk about that now. What's the matter that you suddenly called me here?"

I turned around, trying to overpower Chie with my presence. This girl suddenly called me over, saying it was urgent, and even asked me to
bring the mysterious device I made in the past.

"Come inside first. You'll find out once you're inside."

Chie smiled wickedly, and I didn't notice that Chie was plotting a terrible plan.

I entered Chie's house and went to her laboratory. It was as messy as ever, with flasks and
test tubes containing strangely colored liquids scattered everywhere... But I had no right to criticize her.

"What is it?"

I tossed the mysterious device aside and plopped down in a chair. To be honest, I was a little tired. Because of
Meryl 's excellent performance, and imagining everyone's burning gazes, being spied on, I had orgasmed several times.
I had used up a lot of energy.

"It's okay, it's okay. You'll know soon enough. Do you want some water first?"

"Perfect, I'm thirsty. When did you become so radiant?"

Chie smiled and handed me a glass of water, which I drank in one gulp. The cool, refreshing sensation spread through my throat.

Seeing that I had finished the entire glass of water, Chie continued.

"I invented a medicine."

"A medicine?"

"Yes."

Chie produced a small bottle between her fingers as if by magic.

"I discovered it by accident. Its function is to activate cells, making the skin glow, achieving a kind of rejuvenation
effect."

I glanced at Chie; this girl always only told me half the story.

"What about the side effects? Don't tell me there aren't any."

"Hehe, I can't hide anything from you. The side effects are that the breasts will swell, becoming like a cow's, and will
uncontrollably spray milk. There's also an uncontrollable pleasure. As for the specific side effects and effects,
further testing is needed. So..."

Chie looked at me with a glint of expectation in her eyes, a look that was anything but kind. I shuddered
.

"No, don't use me for experiments. I don't want to become a cow."

Thinking back to how I always ended up getting tortured when I helped Chie. Although I'd tormented her
several times too, this experiment was just too terrifying.

"Don't say that. I'm too scared to experiment on myself. Please. And... even if you don't agree
... hehe."

I felt dizzy and looked at the cup Chie was holding.

"You, you actually..." She

actually gave me a scare drug.

Before I could finish my sentence, my last thought was of Chie clasping her hands together.

"Thank you for providing human subjects. Human modification experiment begins."

...

When I opened my eyes, I had lost control of my body.

Before me was Chie, wearing a white lab coat, black high heels, black stockings, and only black silk underwear under the lab coat
. The same lewd attire.

I tried to move my limbs, but they wouldn't move. I tried to move my head, but it wouldn't move either. I tried to make
a sound, but only managed a weak, indistinct whimper.

Chie was diligently working on her task.

I glanced at her out of the corner of my eye, and as expected,

I was trapped inside the creation I had brought.

This creation was a prank, the ultimate demon for punishing women in my imagination. Because it was too cruel
, I hadn't put it into practice, but unexpectedly, I was experiencing it myself.

Its basic design was an iron cage. Square and rectangular. There were three openings at the top, one large and two small.
A sliding plate could be adjusted to separate the mesh cage, allowing a girl's head and hands to be clamped into the round hole at the top
. Once clamped, locking the lock would seal the hole, making it impossible to free the neck and hands.
That's what I was doing now. The front of the cage also had two openings. These were
designed by me in the past for torturing breasts. A girl's breasts could pass through them; by closing the mesh that was
attached to the cage's outline towards the middle, the breasts would be locked. By adjusting the position of the cage, the breasts were ensured to be locked. Of course, this ring was designed to lock
the base of the breasts. Now, my breasts were firmly stuck. Out of the corner of my eye, I saw two not-too-large,
flesh-colored steamed buns, now swollen and erotically suggestive. My chest ached.

My legs, following the same principle, passed through the holes on either side of the cage. Because the holes were parallel, I
maintained a roughly split-legged position. This posture is difficult even for dancers to achieve perfectly, but
I, a perverted scientist, did it flawlessly. Of course, it hurt so much I almost cried.

For some reason, I was still wearing black stockings and high heels. This seemed to be Chie's insistence.

I remained seated in the cage. My legs were spread apart, and my vulva was wide open. I
couldn't see them, but I felt they must be blooming like flower petals.

My mouth was gagged, and that wicked Chie had also put a nose plug in my nostrils. I looked like a dead
man's head. I remembered when I used to tell Chie about my design ideas…

"This is a device to punish disobedient female slaves, leaving them with only their heads that can move. You can put
nose and mouth plugs on them, letting them experience despair in the cage."

I'm so glad… Chie perfectly replicated my design. My nose was stretched taut, as if it were about to break off, and
my mouth was forced open, drool constantly flowing.

The most terrifying thing was that I couldn't turn my head; I could only watch as Chie connected the vial filled with pale yellow liquid to
the tube.

My hands were clenched into a ball and wrapped in bandages, but they were useless. My ankles were fixed to
hooks on the ground, unable to move. I had become a beautiful, charming doll.

How terrifying. My invention.

Praise and fear flashed through my mind simultaneously.

Perhaps noticing I was awake, Chie turned her head. Looking into my eyes, she clasped her hands together and
bowed to me.

"I'm sorry. I really want to see the results of this experiment. But I don't have a good test subject. After it's over
, I'll allow you to torture me."

"Go to hell, you pervert." My voice naturally didn't reach Chie, only a lewd
whimper escaped my lips.

Chie's apologetic face transformed into a satisfied smile.

"This is the drug. I'm sorry. I'll have to keep you here for a week. I need to record the entire
experiment. The test subject, my favorite Mariko, is changing."

Ignoring my groans, Chie mercilessly inserted the IV needle into my nipple.

The excruciating pain almost made me faint. A continuous swelling sensation followed. Chie spoke
to the recording camera.

"Month x, Day x. The 'Drops of Milk' project officially begins. Injecting the reagent into the test animal, Mariko.
To clarify, the lewd Mariko volunteered to be the test animal. Now, begin 24-hour observation of the test
animal's changes."

*Waaah* (I'm not a lab animal, nor am I doing this voluntarily.) I started to struggle.

Chie, all smiles, paid me no attention. She turned and shocked my breast with a stun gun, stopping my
struggle.

Shocked, I naturally dared not resist. Mariko stood smugly with her hands on her hips.

And so began my week-long "laboratory animal life." To help everyone better
understand my situation, I will use Chie's observation records for elaboration.

"Month x, Day x. The 'Milk Drops' experiment began. The experimental sow was shoved into her self-invented terrifying
cage, watching the sow's expression with obvious enjoyment. First, the sow was injected with 200cc of the newly developed Milk
Drops. 100cc in each breast. The drug was injected directly into the nipples. The sow seemed to be in great pain. Because of
the pain, her vaginal fluid flowed down her thighs, covering the floor. She probably orgasmed during the torture. As expected of the sow I had my eye on
. The injections lasted for one hour." The sow initially resisted violently. An electric shock device was used to shock her thighs and teats
, and she gradually calmed down. After about two hours, the "milk drops" began to take effect. The sow's breathing became rapid,
a large amount of vaginal fluid flowed from her vagina, and her teats became noticeably lubricated and appeared to swell. The size of her teats was recorded.
After three hours, the sow became dazed. The "milk drops" treatment seemed to need improvement. The sow was released from the cage of terror. Her hands were
bound behind her back. Her teats, as important observation points, were secured with nipple shackles. Her legs were separated with metal restraints, keeping
her vagina accessible for observation. The sow was allowed to defecate and be fed. At this point, the sow remained dazed and continued to moan.
It was clear the drug was too strong. Several times the sow tried to break free and masturbate, but was stopped by the electric shocks.
Milk was secreted during this time. Vaginal fluid continued to be secreted. "

[Date] The second day of the experiment. The sow, still groggy from just waking up, was placed in the cage of terror. Unlike yesterday , the sow was more cooperative, even somewhat willing. It must be the effect of
the milk drops transforming pain into pleasure . Today, the same reagent was injected into her breasts. The dosage was 300. However, the reagent had been adjusted, so the effect is unknown. The sow again showed signs of pain. Her breasts were noticeably lubricated, and her vagina continuously secreted vaginal fluid. The injection lasted for an hour and a half. After releasing the sow, she went berserk. She was only subdued after being anesthetized with electric shock. The experiment failed." 　　"[Date] The third day of the experiment. I did not put the sow in the cage of terror. I tied her hands behind her back , put a collar around her neck, and bound her legs. I chained the collar to one side of the experimental table. I had to adjust the composition of the milk drops. Because the effect of the milk drops was too strong, it would cause the sow to lose her rationality and become a lewd beast, which was not my intention." I saw it. While I was adjusting the reagents, the sow kept rolling around at my feet, making low, lewd noises. I was in a bad mood. I punished the sow with a whip and an electric shocker. But the sow seemed to enjoy it. It seems the milk droplets still affect the sow's feelings. Because milk kept spraying out, I used the nipple cuffs that the sow had invented in the past. The nipple cuffs are like metal cylinders, with a hollow center about the thickness of a finger. There is a metal cap with a probe at the top. At the same time, the size of the metal rings can be adjusted. I locked them on the sow's nipples and used the probe to block her milk ducts, which stopped the milk spraying all over my laboratory. I suddenly had a whimsical idea and decided to control the sow's milk spraying. Hehe, I'm so evil." 　　"Month x, Day x. The experiment continues. The reagents seem to have worked. The sow is conscious, but her body..." Her body underwent noticeable changes. As a woman, I knew she was in heat. I untied the exhausted sow from the cage of terror and forced her to write down her feelings and changes. The naked sow, her left hand bound, wrote with her remaining right hand. I whipped her from behind like a drill sergeant. She kept trying to find opportunities to touch her vulva or remove the nipple cuffs, completely ignoring my whipping. That damned sow. It was a struggle to finally tie her up like a dumpling and throw her aside. The sow's handwriting was too difficult to read, but still very valuable for research. It was clear that the sow had developed high demands for sex and even craved masochism, as if masochism could be transformed into pleasure. Her body became stronger, more sensitive, and more prone to orgasm. According to the sow, she seemed to feel that her vulva and anus could expand to their maximum extent. I thought I could add more subjects to the experiment later. At the same time, I observed and recorded, measuring the diameter of her breasts and taking samples from her vulva. Her breasts had doubled in size. Her vulva remained lubricated.

"The experiment was a success." "

[Date] The sow is in good condition. The dosage of the experimental drug continues to increase. The sow's expectant look has
changed from fear to a more suitable physique for training. Note: This sow can no longer be called a sow;
'cow' would be more appropriate... haha." "

[Date] The experiment is officially a success. Experiment subject number one has officially entered the assessment phase. I called the SM department..."
Educational scientist Yamada, livestock scientist Taro, and association president Ryuzaki from the SM Science
enhance the effect, I made some special preparations. The sow was wearing a collar.
A metal ring the size of a palm (I specifically chose a cow nose ring) was pierced in the middle of her nose. Nipple cuffs were worn on her teats, and nipple
shackles were worn at the base of her teats. Her entire body was painted in black and white, and she wore high heels. A tail-shaped anal plug was inserted into her anus. Her hands were tied behind her back.
Her legs were fixed apart at the knees with short sticks to expose her vulva. To add to the fun, I also put cow
horns and ears on the sow. When the sow, whose udders were swollen like basketballs, appeared before everyone,
everyone from the SM Science Association was obviously shocked. Yamada's eyes almost popped out of their sockets. Taro had always secretly loved Makoto.
Riko 's penis was swollen to an exaggerated degree, and the chairman swallowed hard. I presented the sow to everyone.
Because her legs were restrained, she walked unsteadily, making continuous lewd panting sounds. I could see that
the lecherous men were aroused. The sow swayed her large breasts as she walked, and milky white saliva dripped from her vulva.
Saliva dripped from the gap in the gag in her mouth. Her golden nose ring swayed like a cow's. It was exceptionally romantic.
Everyone listened to my experiment report, but no one was paying attention. Now it was time to use the ultimate move. I
brought out the vacuum pump, which was also Mariko's invention. Then I unscrewed the nipple cuffs and put a transparent glass
cover, like a glass cup, over Mariko's breasts. Because her breasts were too big, it took a lot of effort to operate. Next time, I'll have Mariko make
a cover the size of a cow. As soon as I removed the nipple cuffs, Mariko sprayed a stream of milk, which sprayed all over my face.
"Death , it seems, has been building up for too long. With everyone's help, we secured the sow. I clapped to get everyone's attention
, then opened the vacuum pump valve. As the pressure inside the enclosure dropped, milk was squeezed out like a fountain
. Amazing! I removed the sow's gag, letting her squeal to her heart's content. She trembled with pleasure, even
urinating. She sucked out a whole jar of milk before stopping. I decided to use half to entertain everyone at the Science Association, and
the other half, along with the video, to sell online."

Chie is simply a devil. I was dressed up as a cow and fixed in front of everyone.
Everyone at the Science Association had flames burning in their eyes. Flames of desire. I tried to control myself, but my body was out of control,
instinctively following Chie's commands. Pleasure surged through my body like an electric current. I lost control of my bladder,
squeezing out a whole jar of milk.

I became a real dairy cow.

My vagina must have been overflowing long ago.

After that, the restless group tied me up in a twisted position and hung me from the rafters.
I was still dressed like a cow. I knew they were going to use me, but at that moment I had no intention
of resisting. Instead, I looked forward to them taking me, to fucking me until I was half-dead.

My breasts were tightened, my limbs were tied behind my back, and my legs were spread apart. The anal plug was also removed.

The crazed Yamada grabbed my head, pulled at my collar, and shoved his swollen penis into my mouth
. The penis went all the way down my esophagus, causing me excruciating pain. I never expected that the skinny, stick-like Yamada
's penis would be so long. Taro used my anus. He grabbed my body and shook it violently.
I felt his large penis going in and out of my vagina. He also put his hand into my anus, which was stretched taut by the anal plug.
I almost rolled my eyes back in pleasure.

The president squatted below me, squeezing my enormous breasts and sucking out milk with her mouth.

Everyone used their skills, taking turns in different positions. Eventually, Chie was also tied up, unable to escape the beastly onlookers.

This frenzied feast lasted for who knows how long. I fainted several times. In the end, everyone was exhausted.

The three men and Chie lay on the ground covered in urine and semen. I was covered in semen, a bell
hanging . My swollen breasts were suspended in mid-air, swaying like a kite... signaling the end of the feast.

...

Finally, because the drug was unexpectedly effective, I recovered quickly, my skin became smooth, and my body became extremely
sensitive. Even the slightest stimulation or sexual fantasies would cause itching in my genitals, which made me constantly masturbate
. To control my desires, I wore a chastity belt. Moreover, because of the drug's cell activation,
my anus and vagina could be stretched to an exaggerated degree, which I found very novel.

The only thing I didn't like was the side effect; it would take another month for my breasts to return to normal. In Chie's
words, there was nothing she could do about it.

Therefore, even now, I'm still using a vacuum pump to extract my own breast milk. Incidentally, I pasted
a picture of myself as a cow on the bottles and sold them for a high price on a hobby website.

So, I didn't lose much.

As for what happened next...

Chie's experiment was well-received. After all, it allowed the perverts to enjoy such a pleasurable feast of beauty.

However, because Chie exposed this without my consent, everyone decided to make her compensate me.

As for the method of compensation... hehe.

When I replied, I received an unexpected gift. It was a huge wooden box. The box was
labeled "Cute Little Pet."

After much effort, I opened the box. You absolutely wouldn't believe what I saw.

A woman with breasts swollen like basketballs, her entire body wrapped in a black, tight-fitting latex suit (one-piece, only her nostrils
were visible). Her hands and feet were handcuffed. Plugs were inserted into her vagina and anus, and
a mixture of pale yellow urine and feces was flowing through a tube into a mixture of milk, and then through another tube into the latex-clad
woman's mouth. Hearing low moans and the sound of the vibrator's motor, I knew she was enjoying it.

I picked up a letter from the straw mat beside the latex-clad woman. The letter read: I was wrong. Please play
with me. Chie. Just those few words.

So, as I write this, I'm sitting at my computer desk, stepping on her soft breasts, when inspiration strikes...
When it disappeared, I stomped down hard with my heel until the milk splashed onto my shoes.

Listening to the muffled, painful groans… I felt exceptionally good.

…

Sometimes I receive special requests, though most of the time we prefer to invent our own.

One day, I met a wealthy woman on a forum. She was about 30 years old, very beautiful, and had a great
presence. We got along very well. Before I knew it, I had agreed to her visit.

I thought she was just joking. But a few days later, she actually came. She

was even more beautiful in person than in her online photos, and she was accompanied by a handsome young man.

I invited them to sit in my cluttered lab. That's when I learned the woman's name was Xue Mei, and the man was her
student, not yet 18. As for the relationship between Xue Mei and her student, I didn't dare ask. Xue Mei spoke first.

"He's my student, as you've probably already noticed. I like him."

I nodded, looking at the somewhat shy boy.

"He's just too shy. At first, I thought he wasn't good at sleeping with women. But I accidentally discovered
he has a special hobby. Just recently, he asked me to train him to be a mare. That way
he can get excited."

I looked at the two of them in surprise, and Yukimi was clearly not joking. The two exchanged glances,
entwined intimately.

"I agreed to him in one go. I'm a masochist. It's my honor to be tortured and trained by him. I've already
bought him a private plot of land and horses. Everything is in preparation. I need Ms. Mariko's help
to make an indoor training machine for mares as part of the training. Is that alright?"

Yukimi slapped down a large sum of yen in front of me... I couldn't refuse her.

After a few days of work, I combined Yukimi's and his student's electronics to create a training machine and asked them to come and
collect it.

"This is a modified treadmill."

I stood proudly in front of the two of them, chest puffed out.

The two of them waited for my explanation.

I explained each function one by one.

"I need to see the actual effect."

Surprisingly, the boy actually made a request.

I handed the instruction manual to the two of them and began to undress.

"Please help me put this on."

This outfit was made with the help of the president. It was a black latex suit. The latex suit was very tight, perfectly
showcasing the curves of a woman's body. The latex suit consisted of three parts: a corset, a hood, and over-the-knee shoes. The three parts were
connected by leather straps.

First was the corset, which was covered in burrs and very tight, making it uncomfortable to wear. With the help of the two
, I put on the corset.

"It's beautiful." Yukimi seemed very satisfied with the texture of the corset, and couldn't help but stroke it.

Next was the collar. The base of my breasts was handcuffed with black rubber rings connected to the corset. Because of Chie's prank
, my breasts hadn't completely returned to their original size; they were still a D size. This made Yukimi very envious
. I promised her I would provide her with Chie's special medicine.

After completing the upper body outfit, it was time for the lower body. I first put on the rubber shoes. These shoes were very long, reaching all the way
to my knees. Moreover, the soles of the shoes are different from ordinary shoes; they're horseshoe-shaped. Wearing them,
I felt my feet were being squeezed very uncomfortably; I really don't know why Yukimi particularly likes this design.
The bottom of the shoe is connected to the lower part of the corset with a leather strap. That completes the lower part. There's a special buckle at the ankle of the shoe.
Once connected to a chain, it can restrict the wearer's stride size and speed, which is quite practical.

Following the instructions, the student brought a leather strap with two round holes and fixed it to the back
of my corset. It would pass through my crotch. Yukimi took out the black inflatable rubber plug I had prepared and inserted it into my vagina.
The end went through the hole at the front of the leather strap, and the pendant-like front end was inserted into my vagina. After inflation, the end of the rubber plug
would be stuck on the leather strap; if it wasn't removed, it would remain inside my vagina.

"The horsetail-shaped anal plug is also specially made. Considering your need for anal dilation modification,
different sizes can be used. Gradually enlarge it. Because my body has good contractility, I can show you the
largest size."

The boy tried to insert the large, dark anal plug into my anus, but my anus didn't cooperate as I had said
. There was no other way but to apply lubricant before it could be inserted. Because my anus was too tight, I almost cried out in pain. An
anal plug the size of a child's fist was inserted into my pink anus.

The belt was passed through my crotch and connected to the corset in front, completing the fixation of my vagina and anus.

I put on long black rubber gloves, which were tied behind my back with the help of the two.

Yukimi clipped clips with bells to my nipples, put a gag like a mother's chew on my mouth, and put
a rubber hood that could control my vision. She pulled the collar around my neck and walked around the ground a few times.

"High leg raise. One, two."

I received a whipping on my buttocks and immediately raised my leg high according to the voice. I knew the student was getting excited. I
lifted my legs back and forth, my hoof-like shoes stomping on the ground, my breasts heaving, milk spraying out.
The bells on my nipples jingled, making a pleasant sound. There were also low moans from me. It must have been incredibly alluring.

Then I was strapped to the treadmill. My arms were hung on straps pulled down from the top of the treadmill.

"Try the slow one first."

Because my body was strapped, I couldn't move. I felt the ground beneath my feet begin to recede, and instinctively I took steps.

"Try the fast one now."

I felt my legs moving faster and faster, but the chains restricted my steps. I started panting, making painful
noises. But the student's laughter told me that my pain only made him erect.

Finally, exhausted, I was put down.

The student and Yukimi embraced intimately.

"You're not a proper mare."

They nudged my training machine.

After that, I received a gift from Yukimi.

It seemed the student put her on the treadmill to exercise every day. Every day she was almost unconscious. Removal of the anus
When the dildo was inserted, her vagina was overflowing like a flood. The student then used his already erect penis to serve Xue Mei.
The two seemed to be getting more and more perverse. Xue Mei lived in a special stable every day, sleeping in a haystack. Her limbs
were always bound. In the private training ground, the student always sat behind the cart that Xue Mei was pulling, driving her with a leather whip
. Xue Mei also squeezed in photos of the two of them training each other, photos of her being penetrated by the student in the stable, and so on.

Xue Mei said... she seemed to be giving herself not just to the student, but genuinely wanted to become a mare.
She had applied for the cancellation of her human rights and registered her as livestock. The photos showed Xue Mei being locked in a cage and getting vaccinated, with
a mark on her buttocks indicating that she had passed inspection.

I looked at Xue Mei's gifts and fantasized about the student leading Xue Mei across the vast grasslands.

"I'm kind of thinking about trying it out. How about making a treadmill number two?"

The association organizes regular activities, and the participants are me, Chie, Yamada, Taro, and the president, Ryuzaki.
Although it's called an association, it's more like a group of science and SM enthusiasts. Within the organization, Chie and I are
the lowest in rank, even lower than Ryuzaki's dog. Because we're masochists.

So, at every gathering, Chie and I are always the ones who work the hardest.

This time was no exception. Before the gathering, President Ryuzaki came up with a bunch of ways to humiliate us.

They prefer riddles. Lately, they've become obsessed with Conan .

Damn it.

"You have to solve the case on time and rescue the kidnapped Chie. Find the clues yourself. If you exceed the time limit, we
'll punish you, and Chie will become a sacrifice."

Ryuzaki said confidently, his mustache bristling. Yamada and Taro stood beside him,
grinning like two scoundrels.

Chie waved at me and blew me a kiss.

"I'll wait for you at the designated location. Luck, this time it's not me playing a perverted game."

With that, she was bound upside down by three men and thrown into the trunk. Whether
intentionally or not, her clothes were disheveled, and they deliberately exposed Chie's pink breasts, making me angry
.

Before I could even complain, the car drove away.

I stroked my breasts, a surge of arousal rising in my groin.

Sure enough, I still prefer the association's activities. If it weren't for the perverted nature, I wouldn't have joined.

I looked forward to returning home, waiting for Ryuzaki's clue.

The clue arrived quickly. The speed of the delivery made me suspect they had prepared this all along.

"Be at the designated location at midnight tonight, the clue is there."

An attached video showed Chie being kidnapped, and three men about to gang rape her, bound like
a mummy. I didn't care what happened to Chie. But the president's riddles were always troublesome.
A direct announcement would have been better.

As instructed, I didn't wear underwear or a bra, only black stockings and high heels, and threw on
my white coat before setting off.

The Japanese streets were deserted at night, and I felt a little scared and cold. I touched my breasts, but
couldn't help panting heavily; my vagina was burning with desire.

The designated location was a park. Sure enough, it was deserted. Following the instructions, I found the second clue in a sand
pile . Inside the small box was a tiny communication device.

"Hehehe. You're here?"

"Yes, please release Chie, and bring everything on me."

I played along with those lecherous guys in a role-playing game without any interest, my tone devoid of emotion.

"Did you follow the instructions and not wear underwear or a bra? Don't try anything funny, we're all watching."

I wondered what kind of porn they'd watched.

"I wasn't wearing any, really." I answered cooperatively.

"Good. Which way to the right? See it?"

I looked to the left; there was a swing.

"Sit on it."

Not understanding the specific reason, I still followed the instructions and walked to the swing. I noticed a
high —a dildo.

"Haven't played on a swing in a long time, have you? You have to block it 30 times. Quickly open your wet little hole, if you don't
want anyone to see, hurry up."

I staggered over the swing, slipping my already wet little hole onto the dildo. I pushed off with my
legs , blocking it.

With the swing's swaying, I felt an extraordinary fullness in my lower body. Each time I reached the highest point, the dildo
felt like it was about to burst out. The various stimulations made me involuntarily reach orgasm.

I, a noble scientist, was now swinging on a swing with a dildo inserted into my little hole, naked. If
people found out, if they found out…

just thinking about it made me incredibly excited.

Time passed slowly, but this was just my own feeling.

"Very good, well done. Do you feel anything? Sow, honestly tell me how you feel."

"Very, very comfortable."

This time, it was my true feeling. I heard three men arguing noisily on the other end of the walkie-talkie, seemingly
aroused by the allure of my voice.

Then, I received another instruction. This time, I had to pass by a nightclub. Because that area is crowded, I was afraid of being seen naked. Furthermore, I was required to wear the collar I had just found in the park
when passing this intersection . 　　As I passed the nightclub, my heart was in my throat, fearing something might happen. A few drunk young men pointed at me and said, "Look, a pervert. He's just sexually frustrated." Some even tried to follow me. Luckily, I walked quickly and shook them off. 　　After hiding in the shadows and watching people leave, I couldn't control myself anymore and masturbated; my genitals were overflowing . 　　Next, the instructions arrived as expected. These guys seemed to want to continue. 　　Yamada and Taro appeared out of nowhere. Without a word, they grabbed a syringe and injected an enema into my anus . Taro wasn't idle either; he tied my knees together with rope. He handcuffed my hands, thankfully the handcuffs...

The chain between us was quite long, so I didn't have to worry about not being able to move, except I couldn't touch my own buttocks. Those two perverts
didn't care about my struggles and groans at all. I don't know how much enema fluid they injected, but I felt my stomach had swelled
up considerably. Then, something was stuffed into my anus, and they plugged it with an anal plug.

"Next, this is it."

Yamada gave me the map, and Taro hung a tag around my neck. The two of them disappeared
into the darkness like ghosts.

I had no choice but to endure the excruciating pain in my stomach and move towards our goal.

Sure enough… joining the Science Association is fantastic.

I staggered forward, one snow-white breast exposed outside my white coat, my legs forced together,
allowing me only small steps.

The few hundred meters felt incredibly long. I wanted to pull out the anal plug right now, even if it meant
defecating in front of everyone.

The map indicated an adult store.

Damn it, this store was open 24 hours. Now I had to go in and find the last clue.

But if I went in like this, I'd definitely be considered a pervert.

I couldn't bear the enema any longer. Pain and pleasure had overwhelmed my reason.

Shame had long since become food for pleasure.

I shuffled into the adult store, my body swaying seductively. There was only one clerk, a
man with a baseball cap and a mustache. He glanced at me before returning to his game.

How should I put it? A mix of emotions…

No wonder it's this kind of store; it must be frequented by perverts every night. What I'm doing is nothing.

"Miss, what kind of service would you like?"

"Um, that…"

I tightened my buttocks.

"Please, please give me one."

Before I could finish, the attentive clerk brought over a shiny metal basin.

"Just so you know, no returns if it gets dirty. We don't object to games with unusual fetishes, but please don't dirty the merchandise."

I hurriedly nodded my thanks, my large breasts trembling.

I squatted on the metal basin, positioning my snow-white buttocks against it. After waiting a while, I could only tearfully
beg the clerk for help.

The clerk sighed and walked behind me. With a pulling sensation on my anus, I felt a wave of
relief and couldn't hold back any longer, spraying the entire enema solution into the basin.

Once I finished, I breathed a sigh of relief, feeling a huge weight lifted off my shoulders.

I turned around and looked at the chamber pot. There was a small green ball inside, which I guessed Yamada had inserted into my anus earlier
. It said, "Give the clerk a few words." I staggered out of the handcuffed chamber pot, washed it, and
handed it to the clerk. The clerk opened the ball, took out the note inside, and read it while looking me over.

"This says to dress you up."

I understood what "dress you up" meant.

"Is that alright?"

"Yes, yes."

The clerk nodded and walked towards the back. A moment later, she came out carrying a pile of things.

"Your master is really perverted. But you, his slave, are also... well, you're the most extreme I've ever seen. Of
course, there are even more perverted ones."

The clerk said, beginning to dress me up. Basically, I was at their mercy.

The shop assistant used a universal key to unlock my handcuffs and untie the ropes binding my feet. He ordered me to strip naked,
leaving black stockings and high heels.

He put a spiked collar on me, like a dog collar, which looked rather frightening. Then he
put a corset on me and tightened two white leather straps around my nipples. I was told to clench my fists, and he first wrapped
my waist with duct tape, then put two pairs of rubber gloves with rounded ends on my back. Now I looked like Doraemon. He took out a pair of
handcuffs with chains on both sides and locked my ankles and thighs together. My legs
were forced to bend, and I couldn't stand up straight. I could only lie on the ground. He inserted three vibrating eggs into my vagina, and the wires
and controllers into my stockings. He then took out a tail-shaped anal plug and inserted it into my anus. I
found it quite novel. Finally, there was the gag. He even found a pair of dog-ear hair clips for me to wear. I looked in the mirror
and saw myself as a sexy little dog. If my tail could move, I would definitely be uncontrollable.

"Eat something first. Energy is important."

He pulled me to crawl on the ground for a while. He poured me a bowl of dog food.

I actually ate dog food; the humiliation made me feel incredibly aroused. He removed

the gag and I ate some dog food, but because I was too excited, I didn't have much of an appetite. Besides, dog food really didn't suit
my taste.

After finishing the dog food, he dragged me to a small iron cage. He opened the cage.

"Go in."

I hesitated whether to go in or not. As a result, I was whipped on the buttocks. Afraid of being punished again, and also because I was very
used to SM, I obediently crawled into the iron cage. As the small lock on the front of the cage closed, my vision completely
became a small, square area.

This feeling made me want to cry. I had never shown this perverted side to outsiders before.

The shop assistant looked at me and smiled wickedly.

"Your master told me to lock you up. They said they'd come and pay you (for the clothes) when the time was right
... They also said that if they don't come, I can do whatever I want with you." I

was terrified. What were those bastards doing? Do whatever they wanted with me? And I had to wait several days?
This was too horrible!

I struggled desperately, trying to break free of the cage. But I was utterly hopeless. I felt the sorrow of a caged dog.

My arms couldn't be extended; I could only bang on the cage with my ball-like hands, which was utterly useless. My
pitiful state only excited the shop assistant. Not long after, he went back to sleep, leaving me curled up in the small dog cage

in the dark corner of the shop . 　　I fantasized about being played with in various ways, losing my human rights, being sold, and ultimately becoming a miserable sex slave. 　　I felt excited more than once. Even when the vibrator ran out of power, I couldn't help but orgasm...

When I opened my eyes, the bright light blinded me, making it impossible to see my surroundings. Still groggy, I sensed many
people staring at me, which startled me. A muffled scream escaped my gag, but because of my
appearance, it sounded more like a lewd moan.

Through the small holes in the iron cage, I saw many people looking at me. I glanced around in terror and realized I'd been
moved from a corner of the shop to the most prominent display. These people were probably customers, eyeing me with curiosity
. Did they think I was merchandise?

"This girl is amazing, so cute, and dressed so provocatively..."

"Yeah. Amazing. I want to buy her."

I curled up in fear.

Luckily, a shop assistant came over to speak for me.

"Don't move. You can only look, not touch. This is not for sale. Someone left it with me. I can only keep
it for a few days."

And so, I became the shop's ornament. Because of my sacrifice of my looks, the shop's business boomed. Many
people reportedly took the Shinkansen to see the caged woman.

The gazes of the customers exhausted me. Moreover, the humiliation transformed into pleasure, causing my juices to flow continuously
.

"Look, she's wet."

"What a slut. She must be excited."

Night fell again. I relieved myself under the watchful eyes of the shop assistant, tears streaming down my face, while eating dog food. Just
when I thought I would continue like this, the chairman, Yamada Kazutaro, appeared like saviors.

They led Chie away. Chie was on all fours, completely naked, her hands and legs connected by chains to control
her steps.

"Hurry up, you slut. Do you want your sister to endure a little longer?"

Chie was forcibly pulled in front of me, and our eyes met, instantly welling up with tears.

"Sorry, sorry, this game was a sudden idea. I thought you would like it, and I might have scared you."

Ryuzaki scratched his head sheepishly.

"By the way, the shop assistant at this store is my friend. I asked him to help with this game on the condition that you help
promote it. He made a fortune this time and said that you can
get ."

I finally smiled through my tears.

As expected, the members of the association… I still can't hate them.

What can I do? I'm a pervert, after all.

Afterwards, I heard that Chie got a really bad experience too. That was another investigation route the president took. As for what it was
like…

hehehe. I'll keep it a secret. Anyway, it was… very interesting.

A secret, oh.

That day, Chie, Yamada, Taro, and I gathered together. Besides our research discussions, we would get together to play some
perverted games. This was one of our daily activities, something we were already used to. After all, we're all perverts, and getting
together is naturally to satisfy our ever-growing desires.

This time, Yamada suggested playing mahjong. Perfect, four people. We readily agreed.

"Let's play strip mahjong."

"No problem."

"Boys pair up, girls pair up."

"Who's afraid of who? Come on!"

Perhaps it was because we'd been abstinent for too long, but Chie and I became incredibly confident.

However, I never imagined this would be the beginning of my suffering.

Gambling is a killer.

"Anyway, if we lose, we'll just get tied up and beaten up by you guys. Same as always."

"That's what losers say. We can't lower our spirits."

Chie patted my shoulder.

And so, the mahjong game began.

Humans are such creatures, easily losing their heads. Even scientists, those of us skilled at calm thinking, are no
exception.

I don't know when it started, but Chie and I became unusually serious. Taro and Yamada also became uneasy
.

A game turned into a battle.

By this time, Chie and I had lost everything except our silk underwear, Yamada still had his pants, and Taro still had his underwear
and socks.

Everything was going against us.

"Damn it, how come those two idiots had such good luck this time?"

"You're one to talk! It's all because you weren't calm and fed them the cards they wanted."

Chie and I complained to each other.

Just as we were blaming each other, Chie threw down a card, and before we could react, Yamada shouted
,

"We won!"

Chie and I instantly wilted like eggplants, our heads drooping.

Helpless, under their lecherous eyes, Chie and I took off our last black stockings,
revealing my lovely pink petals.

Yamada and Taro cheered and high-fived, eager to rush over and take us.

"Wait a minute."

It was naturally me who stopped them.

"What are you waiting for? Isn't this the rule?"

Yamada, who was taking out a rope to pounce on me, looked embarrassed.

"You can't do it like that. We don't accept it."

"Yeah, we don't accept it."

"Let's continue."

Yamada and Taro stared at each other.

"Keep going? But you've run out of clothes to take off."

I turned to look at Chie, who nodded.

"If we lose again, you'll put torture devices on us. One at a time. When we're completely unable to
fight, we've completely lost."

Yamada and Taro were a little disappointed, but after discussing for a while, they agreed.

"However, this time, losing won't just be a matter of one time."

"No problem, whatever you ask us to do, we'll win."

Chie tried to stop me from boasting, but I swayed my breasts and readily agreed.

"No problem, this time it'll be fine. Look, those two are so arrogant they're about to explode. They have no will
to fight."

Sure enough, in the next hand, Chie and I turned the tide, and Yamada and Taro each took off a piece of clothing.

If we just repeated the same strategy, we were sure to win.

The following hands were incredibly smooth. When Yamada and Taro were down to only their underwear, Chie and I thought
we were going to win. But to our utter surprise, Yamada and Taro were able to resist the sexy teasing of two beautiful women and win the next hand.

That one hand sealed our fate.

"Come on, let's change the chairs."

The chair Yamada brought was one I had invented. A valve in the middle could be opened, and a tireless, constantly
thrusting dildo would rise up.

Chie and I looked at each other, utterly resigned, and sat down. As Yamada wickedly pressed the switch, I felt
a surge of fullness in my lower body.

"It's starting now,"

Taro grinned wickedly.

"No, it's okay. Don't worry, as long as we win one more hand, they'll lose. Hang in there,"

I encouraged Chie.

Yamada pressed the switch, and the vibrator began to frantically rotate and thrust inside my vagina. I
climaxed in less than a minute .

Just as everyone expected, Chie and I were moaning and groaning with our legs clamped together, completely unaware of what cards we were playing.
Or perhaps, we didn't care what cards we were playing anymore.

We lost another round.

This time, Yamada locked our ankles to the chairs, ending our escape plans.

Next came the enema IV drip. Nipple cuffs. Collars. Nipple clamps, stun gun, gag… When we
lost the last round, and our hands were tied behind our backs…

it was all over.

Yamada and Taro went crazy and fucked Chie and me.

"Oh, right. There's something I need your help with."

The misfortune that started because of our bet with Chie began.

Want to know about my terrible misfortune? Please reply first.

I've never regretted agreeing to something so much before.

In Japan, some prominent families establish special schools so that their children can inherit their mantle
. Similarly, since the rise of pornography, BDSM teachers have become a highly sought-after profession. Some
professional BDSM instructors send their children to specialized BDSM schools from a young age to learn BDSM techniques. There
, they are educated on how to punish slaves, how to make slaves lose their sense of self, how to control slaves
' sexual desires, and so on…

Most importantly, they are instilled from childhood with the concept that slaves are not human.

Slaves must never be treated as human beings, but as lowly objects, possessions.

Abandoning pity for slaves is the most important lesson for a BDSM instructor.

With this demand, such schools have secretly flourished. BDSM instructors are popular, especially among wealthy
women who experience immense satisfaction and pleasure in sexual games with them, making them
a top choice for spouses…

Without a market, there is no trade; conversely, with a market, there is trade.

It is these BDSM instructors who drive the development of Japan's SM pornography industry. Therefore, for the sake of huge
economic benefits, the government tacitly approves the existence of such schools.

Have I explained it in enough detail? How exactly can one abandon pity for slaves?

Naturally, it's through these future BDSM instructors living and working with slaves day and night.

These slaves were mostly girls, including women from the sex industry,
middle-aged women seeking stimulation but lacking sexual desire, and young girls abducted through illegal channels. Here,
their only job was to play the role of slaves. Nothing else mattered.

Why am I stating so much, useful and useless information? The reason…

“Don’t keep that long face. A bet's a bet. Besides, we don’t have enough slaves here to conduct any teaching
.”

It was Yamada, the idiot who specializes in education, who spoke.

Chie and I were completely naked, gags in our mouths, collars around our necks, rubber straps around our breasts,
black stockings and high heels on our legs, but our knees were spread open by metal rods about 40 centimeters long
, forcing us to walk in a V-shape. Of course, our vaginas were completely exposed, as were our
anuses.

I desperately wanted to complain, but the gags prevented me from expressing myself. And with my hands tied behind my back,
I couldn’t vent my urge to hit anyone. This awkward writhing only turned into a sexy, restless movement.

That's what I wanted to say, because of that cheating mahjong game. We were forced to help out at the school where Yamada teaches.
The so-called help was just filling vacancies for educational slaves.

Apparently, a few working slaves were bought by a large company a few days ago. The school is bringing in new slaves, and
during this time, Yamada, on a whim, decided to fill those vacancies with me and Chie.

Just as it got dark today, Yamada called me out. Before I could even react, Yamada and Taro pinned me down,
stripped me naked, and tied me up like this. When I was thrown into the car, I found Chie already lying there.

This is kidnapping, you bastards!

"You promised to do whatever you want."

Damn it, I couldn't argue anymore. I could only sob silently under Chie's reproachful gaze.

The car drove all night. We arrived at our destination in a daze. Because it's a special school, the location is confidential.
So the slaves aren't allowed to know.

As soon as we got off the bus, Yamada treated us like livestock, tying Chie and me to a rope and dragging us towards the school.

It truly lived up to its reputation as a legendary training school for discipline masters. Everywhere we looked, there were naked women bound and gagged. And
the children, who looked like elementary school students, casually led them around, abusing them.

"Isn't it great? A rare opportunity to experience this,"

Yamada said, making a face at us. This did nothing to quell my anger.

We were dragged to a room. Yamada whispered a few words to an old man who looked to be in a high position
. The old man came over and looked at us.

"We have special regulations here; we can't accept slaves of unknown origin. However, these are extraordinary times.
If classes are delayed, it won't just be a matter of losing money."

The old man approached, and Chie and I instinctively dodged him. He carelessly groped us,
pressing my breasts, shone a flashlight on my vagina, and then inserted a metal rod into my anus.
Like inspecting livestock.

"Take them for physical exams. Prepare them for immediate use in teaching. Well done, Instructor Yamada, you've
secured the conditions for us to overcome this crisis."

"Yes, Principal."

It seemed this old man was the principal.

Yamada then led us to a completely white room filled with medical equipment; this must be
the place they mentioned for the physical exams.

A doctor in a white coat came out. Looking at his attire, I missed myself a few days ago.

If I could, I would invent a time machine to warn myself against gambling.

"New slaves?"

"Yes. Borrowed. They're all voluntary, and very submissive." '

You're something else, Teacher Yamada, always there to lend a hand in times of crisis.' "Thank you for your praise. Thank you for your trouble.
Please hurry, the teaching over there is waiting." The doctor-like man gave Yamada an "OK" sign, and then
the rope in Yamada's hand was suddenly pulled, nearly causing Chie and me to fall and cry out in pain. The doctor
just laughed evilly. It seems this place is full of sadists.

After Yamada left, the doctor began to examine us.

He mumbled something for a while, similar to a regular checkup. The difference was at the end.

"This is an immune vaccine, which will also increase your cell activity. Be happy, this injection is enough for an ordinary person's
lifetime income. It's essential to make you able to endure all kinds of abuse... The side effect is that it will make your
body more sensitive, and both pleasure and pain will be amplified."

Chie and I shook our heads in horror, but we couldn't escape the doctor's control. After all, we couldn't run away or resist
.

We could only watch helplessly as the thick syringe slowly injected a vial of liquid into our buttocks.

A numbness immediately spread through my buttocks, I felt a burning sensation in my vagina, and my breasts were itchy, and I really wanted to touch them. "It's working, isn't it? Very effective. Other medications aren't provided here; they'll be administered

during class as needed . And then…" 　　The doctor took out a laser gun, adjusted it, and injected it into both my and Chie's left breasts. A sharp, electric shock -like pain flashed through me. When I looked down, the words 'slave-1 33' had appeared on my breast. Chie's was 134. 　　"Don't worry, this laser can be removed at any time." 　　Hearing him say that, I felt slightly relieved, but I couldn't be sure he was lying. 　　"This is the accompanying equipment." 　　He took out a pair of metal collars and replaced the rubber collars around Chie's and my necks. With a click , the collar emitted a mechanical beep. 　　"Slave 133 identified, password confirmed." 　　The doctor told us that this collar couldn't be removed during school; it was proof of slavery. As long as the collar was on, the slave couldn't escape. The collar also had a positioning function and could release a microcurrent. The microcurrent wasn't harmful to the human body, but it could cause paralysis and incontinence. The doctor also showed us a video of a slave being electrocuted by a collar. The girl rolled and twitched on the ground, finally convulsing, foaming at the mouth, and spraying urine and feces everywhere. It was terrifying, and Chie and I didn't dare to make any attempt to escape. 　　"Alright, that's basically it." 　　After completing the costume, the doctor returned us to Yamada. 　　Yamada took me to the Flower Class of the kindergarten and handed Chie over to the teacher of the Star Class. It seems we're going to become teaching guinea pigs for the kindergarten children. 　　Now, I belong to the Flower Class, not as a person, but as an object. The Flower Class teacher was a very handsome young teacher, which made me somewhat relieved. 　　"Excuse me, I can't call you by your name here. Please let me call you number 133, okay?" 　　I nodded and smiled slightly. 　　After saying that, the teacher led me into the classroom. There were more than 20 children in the class, all of whom looked to be around 4 or 5 years old. I felt ashamed standing naked and bound in front of the children. If the teacher hadn't been holding onto my collar, I would have wanted to crawl into a hole in the ground. 　　The children were clearly watching me, their gazes even more piercing than those of adults. 　　The teacher began the first lesson. 　　"Everyone sees her, right? This is the newest member of the class. You all need to get along well with her this semester." 　　"Yes," 　　the children responded innocently. 　　"Okay, so what should we call her?" 　　A child whose name was called stood up. 　　"Big sister." 　　This answer was clearly not what the teacher wanted. 　　"No, that's not right. She's not a big sister. She's a slave. Do you know what a slave is? She's a lowly being. Did you all notice? She's different from you all." 　　"She doesn't wear clothes." " 　　And what else?" " 　　She's tied up." " 　　Why is she tied up?" " 　　Because she made a mistake." 　　The teacher shook her head with a smile. 　　"No, that's not right. She's tied up because she likes being tied up, and she has to be tied up. Remember, slaves are born to be punished. Tying up slaves is a matter of course." 　　After saying that, the teacher pressed me down onto the desk in the first row. 　　"The student who answered incorrectly, come forward." 　　The teacher handed him a leather whip. 　　"Slap her bottom. Always remember, she's not a big sister, she's a slave." 　　The child started slapping my bottom. I let out a muffled scream. 　　"Teacher, she's crying." 　　"It's okay. Keep hitting her." 　　My bottom was burning, and the child was still slapping it. I don't know if it was the drug I had just been injected with taking effect.

It worked; the seemingly weak whipping was incredibly painful. Not only that, the pain transformed into pleasure, bringing me
to orgasm.

"Teacher, she's leaking white fluid down there."

"See? That's what slaves are like; they're happy when they're abused. Remember that, everyone?"

The first lesson ended with everyone taking turns whipping my buttocks and breasts.

A very effective first lesson. The children had completely established their positions in the class, and I was at the very bottom
.

That hand, the lesson unfolded methodically. And my adventure had only just begun. (

Please reply if interested. More replies will be posted after a certain number of replies.

) I also had my own spot in the class, on the wall near the door in front of the teacher's podium.
There was a hook about two meters high there. I was usually fixed there.

Speaking of being fixed there, I have to mention the course arrangement. Because I was going to school with everyone—no, being studied—
I learned about the students' curriculum. Although they were only kindergarten-aged, they already had to learn a lot. This
wasn't admirable, if it were me being studied.

The curriculum was divided into: slave training. Slave punishment. Slave attire. Slave body modification. Slave drugs. Five
basic courses. Since these are professional courses for trainers, I'm not sure if they're considered difficult or easy.

Regarding the previous slave attire, I was forced to wear a second outfit that I would wear permanently during my time at school.
This outfit wasn't mandatory, but the teacher seemed to want the students to know that slaves have no human rights, so she
made me wear it. It was a pair of "ballet shoes." The kind you often see in SM games, where the toes and heels almost
touch. Wearing these shoes, my feet began to suffer. Every time my toes touched the ground, excruciating
pain shot through them, let alone wearing them all day. The shoes had electronic locks, so they couldn't be opened, and there were
two cute pairs of shackles on the sides, which could be used to separate my legs and lock them to whatever was needed.

Thanks to these shoes, I now have to walk on my tiptoes.

And the bondage is almost 24 hours a day.

This brings me to the slave drug course.

I remember the teacher once introducing it to the students...

"This is for contraception."

Then, the large needle used for injecting livestock was inserted into my anus.

"This increases endurance. It helps slaves adapt to bondage without discomfort."

Then, the large needle used for injecting livestock was inserted into my anus.

"This is for milk production. If you're interested, you can try it later. Let's see the effect now."

Then, the large needle used for injecting livestock was inserted into my anus.

"This is for arousal, the best one. Everyone must remember this."

Then, the large needle used for injecting livestock was inserted into my anus.

Anyway, I was forced to be injected with a bunch of things, and only then did I realize that I wasn't truly
treated as a human being.

Fortunately, in the slave dressing class, the teacher taught the students that slaves must always maintain a sexy image so as to stimulate
the masters' desire to play with the slaves. So even though I was being abused, I still maintained a seductive and beautiful figure.

Ballet shoes, black stockings, transparent lace bodysuit and panties, red lips, false eyelashes—everything was there.
I even felt like an AV actress. But the main reason was that I was originally very beautiful.

I'm getting off-topic. Let

me tell you about my special spot.

Every day before class, the teacher would bring me here. Then, the chain on my collar would be hung on a hook. Because the hook
was short, I could only stand on tiptoe to avoid suffocating, which caused my feet a lot of pain. The teacher
would spread my legs apart and secure the handcuffs on my left and right legs with ropes to keep me in this spread-leg
position. There was a specially designed adjustable straight rod under my crotch. The teacher would attach
different sizes of rubber dildos to the end of the rod, adjusting its length to ensure it penetrated my unsuspecting, wide-open,
eagerly waiting pink little hole. In this way, my weight was distributed between my little hole and my toes,
only doubling the pain. My breasts became abnormally swollen due to the excessive use of lactation-inducing drugs. My nipples were put in nipple braces.
Seeing that I had invented these nipple braces myself, I was filled with mixed feelings. The swelling ravaged my body and mind, and the urge to ejaculate milk
almost drove me mad. The weekly milking lesson became my greatest anticipation.

My hands were bound behind my back in an "M" shape, all done by the children. Their binding skills
were far beyond their age, reaching a master level. Once bound, I had no chance of escape
.

In addition, the children would pull a rope between my wrists, tying the end of the rope to a
stainless steel rod that looked like a penis. The head of the penis was inserted into my anus, making it look
like a horrible mess that would be pulled open if I strained.

Above my head (on the wall) were written the words "For Perverted Slave Only."

On the wall where I stood on tiptoe (where my anus was) was written "Orgasm Prohibited." On my breasts
(on the wall) was written "Milk Spray Prohibited."

I had completely become merchandise, pathetic merchandise. When there were no practical lessons, I was simply displayed here.

Even so, I wasn't wasted; I still served a purpose. The children would hang duty signs on my
breasts. Sometimes, they would play pranks by drawing graffiti on me, writing the names of the few men they recognized.

"Pervert," "Sow," "Lewd," "Sex Toy"—these

were the insults used against me.

This caused a significant change in my mind and body.

But I digress. Let me start recalling the lesson, shall I?

It was at the very beginning, when I, this proud scientist—no, former scientist—was dragged onto the podium by the teacher.
The teacher untied my ropes and let the students use their imaginations to tie me to a sloping platform in front of the lectern.
The students were clever; the teacher only gave a few pointers, and they bound me as instructed.

I am now bound in a spread-eagle position. Many terrifying devices are placed around me.

"Today is the first lesson. You will learn about slaves. The slaves we refer to are female slaves. Because compared to male
slaves, the demand for female slaves is much greater."

Everyone applauded.

The teacher began the first lesson. I couldn't tell if it was about physiology and hygiene or something else. But I wasn't at all happy that I
could contribute to increasing the children's knowledge.

"This is a breast,"

the teacher said, pointing to my breast with a pointer. Then she launched into a long explanation of breasts.

"Stimulating the breasts is an important part of controlling the slave's feelings. At the same time, abusing the breasts is also a major
method of abusing slaves. Specifically... everyone observe carefully."

The teacher began to describe my breasts, from the nipples and milk ducts, all the way to the size of the breasts, and
the changes in the breasts when a woman is in heat. She even demonstrated it. I have to admit, the teacher's technique was very skillful. My
nipples hardened quickly. I couldn't help but moan.

The students were taking notes very seriously, but the truth told them not to write anything down.

"This is a vagina. Everyone can take a look."

The teacher began to describe my vagina. She even used a pointer to spread my labia, letting the children see
the pink flesh inside my vagina.

To make sure the students could see clearly, the teacher used clips to separate my labia one by one. She used a magnifier to project a slide onto
the blackboard. Looking at the internal structure of my vagina, I felt a novel sense of curiosity.

"A woman's vagina is the most sensitive place. Painful stimulation makes it doubly sensitive."

Saying this, the teacher mercilessly pierced my labia with a needle, and I immediately screamed. This caused
another uproar among the children.

The teacher then took out a vaginal speculum and fiddled with it for a while, making me moan repeatedly and overflow with vaginal fluid.

"Everyone, what should we say at this moment?"

the teacher guided the children.

"Slut,"

they all said in unison. They were well-trained. Lying on the table, I felt extremely ashamed. I really was a
slut, so I couldn't help but ejaculate even more.

The teacher then had everyone observe my nostrils, my anus, and my urethra, magnifying each one. Finally
, she pried open my mouth and inserted a dildo into my throat to test the length I could swallow deeply, promising the students that
I would receive deep-throating training every day until I could swallow this 30-centimeter-long, thick dildo. I almost
fainted from fright.

The teacher gave the remaining time to the students. The students conducted their own research.

This should have been a heartwarming scene. But as the subject of research, I had no mood for such sentimentality.

Some students spread my vagina open and inserted their penises, while others used octopus-like anal dilators
to open my anus and even shoved their fists inside. Some kept stuffing things into my nostrils. Some played with my
breasts. And some even pried open my mouth…

This devilish course lasted for a week. The children's female body familiarization course had just ended.

However, my true ordeal was just beginning.

In the equipment course, I was forced to wear all sorts of equipment. Corsets, gags, anal plugs, and so
on were commonplace . What I was more afraid of were the large pieces of equipment. For example, the rocking horse, and that damned milking machine, even
the mare treadmill I invented myself. However, the one that impressed me the most was the 'dancing machine.' The teacher said it was a special tool

for punishing disobedient slaves . 　　To show the children the effect, I was pushed onto the dancing machine with my hands tied behind my back. It was called a dancing machine. It was more like a cylindrical cage. It was somewhat like a metal cage used for pole dancing in Europe. Bells were clipped to my nipples , and metal chains were attached to my ankles, the other ends dangling to the ground. I was still wearing ballet shoes. 　　The teacher turned on the switch. The cage immediately flashed its colorful neon lights, reminiscent of a wild nightclub party. And I, uncontrollably, started jumping. 　　As for the reason for dancing, I experienced it firsthand. The metal plate beneath my feet was electrified. Whenever the chains on my ankles touched the floor, my feet would be shocked, the current stimulating me to jump uncontrollably, like I was going crazy . 　　The children below watched this scene in astonishment. And I, ejaculating, finally exhausted myself and passed away. 　　The training class was relatively ordinary. The teacher would teach everyone how to train slaves. For example, the coercive method, mainly for dealing with those unruly slaves. Whipping, electric shocks, binding, etc., using violence to break the slave's self-esteem. Then, assimilation was used, immersing the slave in a decadent environment for extended periods, making them watch pornographic films, listen to erotic novels, and memorize slave rules. The aim was to instill in the slave the belief that being enslaved was justified. 　　Listening to the teacher's lectures and being constantly nagged by him, I almost lost my way, believing myself to be a born bitch. 　　Finally, there was the assessment. If the slave was obedient, various interesting methods could be used to stimulate the slave and capture their heart. 　　It was truly a scientific method of discipline; I learned something new. 　　I won't go into the details of the slave punishments. They were all stories of blood and tears. 　　Let me talk about the slave transformation. To make the students realize that slaves were not people, but objects, the teacher subjected me to slave transformation. Damn it, I was completely turned into a pervert. My breasts grew larger, my waist became very thin, and my vagina constantly secreted fluid. The teacher also pierced my nose, nipples, labia, and tongue. Of course, this was done in front of everyone. My screams were like a pig being slaughtered. 　　Three rings were pierced on each side of my labia. A tongue piercing was inserted into my tongue. A nipple flower was hung on my nipple. As for my nose, a ring the size of a palm was specially prepared, just like on a cow. Because of this ring, the children looked down on me even more. After class, they would hit me with chalk, draw targets on my breasts, and stab me with darts with tiny needles at the tip… … 　　I had completely become a lewd slave. 　　Speaking of children's lessons, moral education is indispensable. Although the learning content here is perverse, the same courses still exist. 　　Midway through the semester, I, having been transformed, joined a new learning plan. 　　"Everyone is to raise small animals." 　　Just like the zookeepers you often see on TV and in books. 　　Rows of small cages appeared at the back of the classroom. Inside were cats, rabbits… and me. 　　"What is the zookeeper's task?"

I was locked in a small iron cage, my hands bound into balls, pitifully watching
the teacher assign tasks to the students.

"Take good care of the little animal."

"And what about the slave?"

"My tasks are feeding her, cleaning her feces, taking her out for walks, milking her regularly, injecting her with enemas, lactation-inducing agents, and estrus-inducing
fluids, oral sex training, and so on."

"Very good, remember to keep good records and write an observation diary."

I had become the subject of a child's observation diary… I couldn't tell if I wanted to cry or die.

After school, I watched everyone leave from my cage, the classroom gradually darkening, leaving me alone in the cold,
terrifying classroom. I shed tears more than once. Unable to bear the loneliness, I could only rub my
breasts with my fleshy hands, rubbing my vulva against the cage… passing the lonely nights in repeated orgasms.

"Teacher, she's masturbating."

"That won't do. Do you remember what to do then?"

"Increase the dosage of estrus-inducing fluids, and restrict masturbation."

Because of masturbation, I was punished more severely. A metal chastity belt, hands bound behind my back, legs
spread in an M-shape, knees tied to the sides of the cage, rendering me immobile. A nose hook, a gag. There was even a
wooden clamp inserted into the cage, wedging my neck. I was deprived of even the right to move within the cramped cage.

All night, a vibrating egg and a large penis inside my anus were constantly moving, the activity adjusted to
a point of stimulation that prevented me from reaching orgasm, pushing me to the brink of a mental breakdown. If someone asked me to resolve this now, I would even give my life
for them.

I remained in a half-squatting position, my neck fixed, only able to look forward. The entire night was
spent drooling under unsatisfied stimulation…

This damn school even has a sports meet.

The events are just as damnable.

There's slave-pulled carts. They dress slaves in horseshoe-shaped boots and make them pull carts in a race. But that's
an event for older students, so I was relieved I didn't have to participate.

There's slave wrestling. Two girls wearing rubber pants with exaggerated phalluses at the front are fighting in a ring. It was called
a martial arts competition, but it was really just wrestling on a soft mat. It was a contest to see who could subdue the other first. They would caress each other's breasts, lick
each other's anuses, and stimulate each other's vaginas. If one couldn't control themselves and lost consciousness, the other would grab
the ropes from the ring and tie them up tightly. Then they would give the final blow with a dildo. The loser would be tied up like a dumpling and
hung in front of the ring. This was quite interesting, but with my troublesome breasts, I wasn't confident I could win. So I
thought I didn't need to participate and breathed a sigh of relief.

There was also three-legged race. The slave's arms were tied behind their back, and their legs were tied together. The slave
had to wear "ballet shoes," and after an enema, an anal plug was inserted, and a large penis was inserted into their anus. During the competition, falling,
dropping the penis, or losing control would result in defeat.

Other games included being tied up and eating bread, tug-of-war, a slave weighted race, and an enema spray length competition, etc.

I was dragged along and it was quite an eye-opener. (I won't go into details; please reply if you want more. I'll
post the details as a short video.)

I participated in the final event of the sports meet: hunting wild chickens.

I was wearing ballet shoes, connected by chains that weren't too long or too short. My hands were untied,
but my wrists and upper arms were chained together. This forced my arms to be bent and prevented me from straightening them. Perhaps
to add some flair, I wore rabbit ear hair clips and a rabbit tail anal plug. Naked, I, along with other slaves dressed like me, were herded off the truck and gathered

in the meadow behind the school . 　　"Everyone, run as fast as you can. Hunters selected from each grade will hunt you down. You have two hours. Those caught will be punished. Conversely, those who escape within two hours will be retrieved by the teachers and rewarded." 　　With the principal's whistle, we, a group of pale-faced children, jostled and ran into the bushes. 　　Twenty minutes later, the children, dressed as hunters, began their chase. 　　The tracking function of the collars was not used during the game. So we could relax a little. 　　Not long after, a girl next to me screamed and was caught in a lasso trap, hanging upside down in mid-air . I forced myself to shut up and rolled into the bushes nearby. 　　A moment later, a young hunter appeared before the girl dressed as a deer. He put her down, untied her ropes, and skillfully bound her in a saddlebag position. He then took out a timer tag and stuck it on the girl's breast. Apparently, this represented the escape time; the less time left, the sooner she was caught, and the harsher the punishment . I couldn't help but swallow hard. 　　A child whistled, and two women dressed as mares pulled a cart to him, helping him throw the bound girl into the cage on the cart. Two girls were already in the cage; the three girls were crammed together like chunks of flesh . 　　My heart raced, and I ran away quickly. 　　Just when I thought time was running out, I carelessly revealed my location and was hit in the buttocks with a tranquilizer gun. I immediately lost all strength, like a drunkard. The scene from before repeated itself. I was also tied up and thrown into a cage. There were five girls in the cage, including me, so it was a pretty good haul. It was just so painful being crammed together. 　　The sports meet ended smoothly… I received a small punishment of a whipping. 　　As for the first girl caught… Chie was completely bound and buried alive underground for a whole night, with only a tube to breathe through. According to her, it was the most terrifying experience, and also the most thrilling… 　　My last memory of school was the school festival. 　　The kindergarten activity was a play about slaves. The story was about a heroine defeating the Black Knight and her minions . 　　Because there weren't many kindergarten students, it was a combined performance. Chie and I rarely worked together. 　　We looked at each other, the same large breasts, slender waists, sexy lips, beautiful faces. Nose rings, nipple rings, genital rings, and snake studs… 　　“Have I gotten used to it?” 　　“It seems so…” 　　The change in mindset is truly terrifying.

I played the Black Knight, and Chie played my henchman. Chie and I wore ballet shoes and black stockings. I also
wore a transparent black miniskirt around my waist. My nipples were adorned with glittering gold nipple flowers. My nipples were silver.
My arms were tied behind my back, and I had nose hooks attached. To be on, my mouth wasn't gagged, which was a rare treat. However,
instead of being placed on my horse, the horse's tail was inserted into my anus.

I rode on a completely black wooden horse. It was said to be a mare, but only the head was shaped like a horse. There was a hidden hole on the horse's back,
and needless to say, the dildo that would move up and down was inside that hole. Sooner or later, it would belong to my vagina.

I was placed on the horse's back, and my nipples were connected to the horse's head with ropes. Because I was being pulled, I had to lean forward.
My legs were folded, and my thighs and calves were tied together. At my knees, a rope was specially tied, with a
10-kilogram iron ball hanging from the bottom of the rope. This prevented me from moving my legs off the mare.

Chie is dressed in black, ballet shoes, black stockings, an anal plug with a dildo, and transparent panties and lingerie.
She's incredibly sexy. Her flesh-colored genitals and small gold rings are faintly visible through her lingerie, making her exceptionally alluring. Chie's hands are
tied her back, and a wooden stick restricts her movement at her knees. She wears a gag. Her hands
are connected to the rope around my mare's neck.

The play begins. The children perform. A victim recounts the Black Knight's atrocities to the heroes. The heroes
decide to punish the Black Knight. Then, Chie pulls my mare onto the stage. As Chie moves,
the mare's switch is activated. The dildo between my legs rises and falls rhythmically. Simultaneously, the mare's head releases electric shocks, which
shock my nipples through wires. I moan incessantly. The way I sway my hips is sexy and provocative, drawing
admiring glances from the parents and instructors in the audience.

The heroes begin their attack on the Black Knight. They whip and shock Chie and me.

Finally, they knocked me off the black horse (the mare).

Then, the battle continued. Under their control, Chie and I performed a dance, performed genital torture
, performed anal fist insertion, performed live urination, milking, breast tug-of-war, oral sex, and other amazing feats.
When the trainers who went on stage to help with the performance were defeated by our tongue skills, ejaculating into our mouths.

Everyone praised our training.

Finally, Chie and I crawled on the ground, led around the stage by the hero, signifying our defeat and enslavement.

The performance ended.

For the first time, I felt a rebirth-like pleasure. Watching the children shout happily, and the trainers' parents
approving in the audience, I felt the effort was worthwhile.

The kindergarten children successfully graduated. They will move on to higher ages, and
new slaves will accompany them. Even more interesting training is yet to come. Chie and I finished our work. We
were freed from here.

"I can help you restore your bodies to their original state,"

Chie and I looked at each other, smiling as we refused.

"No need, this is fine."

Perhaps in our hearts, we've already accepted our new selves.

Scientists, but also slaves...

When we brush past our new slaves, we nod to each other in greeting. They kiss our labia
as a sign of respect for their predecessors.

This is the whole story of this horrific experience.

Now, I sit in my own laboratory, typing away at the keyboard, recording my past. My feet are still
wearing ballet shoes. I've fallen in love with them. Chains connect my hands. An anal plug is inserted into my anus, and breast
pumps are in my breasts.

This has become a part of my life.

Only the rings can be removed at any time.

If I could... I've decided to make a permanent collar... to confine myself.

I thought this kind of life would continue.

But my end came quietly. This time... I've become a true slave.

It all started after Chie and I were released from the training school.

We were tied up, blindfolded, and taken away from the school. When I saw this world again, I was
back at my place.

Thinking back to how it's been half a year since I left my filthy lab, I had a strange feeling.

Not long after I settled back home, devastating news struck.

One night, I was forced into a car by men in black.

No matter how much I struggled, I couldn't break free. I looked at the men in black in horror.

Next to me was a sack; when the sack was opened, I saw Chie's head. She
had been kidnapped too.

In my dazed state, I inadvertently saw the car drive into
the underground parking lot of a building primarily engaged in SM pornography, Tokyo's largest sex industry center.

We were driven to a certain location before our blindfolds were removed.

Here, I felt an ominous premonition.

I looked around. It was a very spacious auditorium. It looked very similar to the courts I'd seen on television.
On the entrance side, there were many seats for the public.

"Don't move, your trial is about to begin."

Watching me struggle, the man in black smiled evilly. He tore open my clothes and forcefully squeezed my soft breasts.
Because of the previous modifications, my body was still very sensitive, and I immediately let out a pathetic, lewd moan.

"What a slut. You're dead this time."

Soon, the entire hall was filled with people. There were men and women, dressed elegantly like
members of high society, but all wearing black hoods, like executioners. In the courtroom,
the judge, also wearing a hood, sat in the center.

Chie and I lay frozen on the floor, terrified by this strange behavior.

Was this the legendary bizarre murder? Had we become prey for a dark club, sacrificed to
an evil god?

I trembled all over, gripped by fear. I couldn't help but become wet again, even losing control of my bladder.

Then I was whipped by the men in black.

The onlookers in black hats were clearly laughing at us.

"Silence."

The judge's voice was calm and experienced, carrying a hint of authority. Even I dared not move, just standing there, frozen.
I sat there, urinating uncontrollably. I looked at Chie next to me; she was the same.

"This is the Dark Court, specializing in cases related to pornography. It's arguably the highest scales of justice in the pornography industry
. You don't need to doubt the court's authority. We are also the highest-ranking people in society in real life. Making
one or two prostitutes disappear is a piece of cake. So, cooperate fully with the investigation, understand?"

Chie and I nodded frantically, almost nodding our heads off.

"Are the people below scientists Chie and Mariko?"

I heard the judge's question. I nodded again. The men in black removed the gags from Chie and me, forcing us to speak.
Because I was too nervous, or because my mouth had been open for too long, I didn't speak clearly. I burst into tears.

"I, we are innocent."

"Answer the questions. Don't talk about irrelevant topics. Whether you are guilty or not is for everyone to decide."

As the judge sternly rebuked me, the men in black behind me used a stun gun to shock my breasts. I
screamed again. The onlookers whispered and laughed happily.

"I, I am Mariko."

"I am Chie."

We answered truthfully.

The judge, wearing a black executioner's hood, nodded.

"Very well. We suspect you of providing technical and equipment support for illegal SM activities, disrupting
the order of the SM world. High-level SM must be approved by us, especially games that may endanger lives
. Even slaves cannot be killed arbitrarily."

I didn't understand the judge's meaning. I tried to defend myself. I hadn't provided technical
or equipment support for any illegal SM activities. Chie was the same.

I seemed to hear a burst of laughter from the judges.

"Is that so? Bring in a witness."

The man in black, as if by magic, brought in a person through a side door. I was too terrified to recognize him at first, but
upon closer inspection, I did recognize him.

It was Yukimi's perverted lover student.

"You know this person, right?"

I swallowed hard, a sense of fear rising within me.

"Yes, I know him."

"You sold uncertified machines directly to illegal gamers. And those over there provided
powerful body-modifying drugs. Do you admit to that?"

I had no idea what to say, and I didn't even know what an SM association was. I was completely dumbfounded.

"Witness. Did they provide the items to you?"

"Yes, Your Honor."

"You will also be punished. For engaging in permitted extreme SM games, your punishment is lifelong service
in the SM industry. You will be sent to an SM academy to study and become a professional BDSM instructor.
Do you accept the court's verdict?"

The student smiled wickedly and stuffed a wad of cash into the judge's pocket right in front of him. He was blatantly accepting
a bribe.

"I accept the court's verdict." After saying this, the student grinned and put on a black hood, then sat down in the audience. He pulled a naked girl

from the audience ; she was beautiful and sexy, looking about 18 or 19 years old. He pulled on the collar around her neck, forcing her to perform oral sex on him. He also turned to look in my and Chie's direction. 　　"A conspiracy! This is a conspiracy!" 　　Chie shouted. 　　"No disrespect in court!" 　　The gavel slammed down, and Chie and I were once again jolted half to death by the electric shock. 　　"Bring the evidence." 　　The naked Yukimi stepped forward. 　　She looked at us with an apologetic expression, "I'm sorry." 　　Next, my invention—the treadmill—and Chie's invention—the "Breast Drops"—were presented one by one. 　　Yukimi actually reported us, even altering her story to claim we forced her to do it. 　　The judge nodded. Below the stage, people were hurling insults at us, calling us inhuman perverts. 　　I panicked; this was clearly an attempt to portray the innocent as guilty. 　　"Very well, the witness's evidence is reliable. But Ms. Yukimi, you have committed a very serious crime by participating in SM games and receiving illegal SM items. The sentence will not be lenient; are you prepared?" 　　"Yes, Your Honor, I am prepared." 　　Yukimi stood up, swaying her large breasts, and knelt before the judge. 　　"The verdict for Yukimi… all her property is confiscated and returned to the court. Yukimi is stripped of her right to be a human being permanently, and is sentenced to mare status. She is deprived of the right to experience pleasure. Effective immediately." 　　"Thank you, Your Honor." 　　This girl was clearly enjoying herself. 　　A group of people dressed as doctors rushed up. First, they pierced Xuemei's nose with a large nose ring, then used stainless steel rings to clamp her nipples, tightening the rings to make her breasts look like they were about to burst out, huge like peaches. Then they put a stainless steel collar on her and locked it in place. I saw Xuemei was very cooperative, even licking her tongue incessantly. This pervert, he's ruined us. 　　"The collar and the collar at the base of the breasts cannot be removed without a password. The nose ring is also welded with wire. The tongue stud is also fixed. Next is the corset with internal burrs. According to the judgment, we will put horseshoe-shaped high heels on the prisoner, the ends of which are also locked to the thighs with metal rings. They cannot be opened without a password. They can only be removed once a week during washing time. Then there is a large horsetail-shaped anal plug. It can only be removed by the keeper during the 20 minutes of defecation time each day. Large doses of lactation-inducing drugs, large doses of estrus-inducing drugs, and large doses of contraceptives are injected. The side effect is a decrease in IQ, turning the prisoner into a horny beast seeking stimulation. This makes them easier to train and control. The hands are tied behind the back and put on black rubber sleeves. The metal buckles at the ends of the sleeves lock the base of the arms. They can only be changed once a week during washing time. The nipples are pierced and rings are hung to hold bells. Oral plugs are inserted. Finally, colored contact lenses that restrict the prisoner's vision are put on." 　　Accompanied by what seemed like a narration, the doctors completed Yukimi's makeover and staged this SM show in court. A gasp rippled through the audience, followed by waves of praise. 　　The doctor turned to see the judge nodding. 　　"Permanent closure of the genitals."

As the gavel slammed down,

the doctors opened Yukimi's vagina and inserted a tubing with a stainless steel end into her urethra.
Then, before everyone's eyes, they sewed Yukimi's vagina
shut with steel thread, like tying shoelaces. The technique was so exquisite, the suturing so delicate, that from a distance, it was impossible to tell that there had never been an opening. It was as if
she had never had a vagina at all. Only a pink tube miraculously emerged. Yukimi struggled in pain,
but the doctors completed their work. Afterward, they used a flesh-colored dye to "make up" her vagina. There were
no visible traces of sutures.

The doctors connected the tube to a transparent bag, which they hung around Yukimi's corset waist.
The final work was done.

I knew that bag would be where Yukimi's urine would be stored. She paced back and forth with her hoof-like feet
, she had become a real mare…

The doctors finished dressing Yukimi up, and the audience cheered, some even shouting that they wanted to buy Yukimi.

"The auction will proceed. Silence."

The judge temporarily quelled the frenzy.

The doctors took out a scorching hot iron and pressed it against Yukimi's buttocks, accompanied by the smell of burning flesh. We
knew that Yukimi had been branded a permanent slave. With this, she could never return to a normal world.

I watched as the doctor waved the branding iron at me, trembling uncontrollably.

"Alright, take the prisoner Yukimi away. The auction will continue later. Now it's court time
, we will decide whether scientists Chie and Mariko are guilty. Conviction and sentencing."

The unease didn't last long.

Mariko and I were sentenced to death.

I almost fainted.

Mariko and I were sentenced to be completely bound, with 20 vibrating eggs inserted into our vaginas, thick
rods , and wires hanging from our nipple rings. We were bound together, curled up in a ball with duct tape.
Then we were released into a sealed black iron box (with a built-in camera to record the time of death for research purposes). The iron box was to
be locked . Only one vent was left. Then they buried the box in the ground, poured urine and feces into the pit, and covered it up...
I

was going to be buried alive. I was going to slowly die in despair.

Just thinking about that terror made my body go limp, completely powerless, while at the same time, the thrill sent
waves of pleasure rushing up my face.

I didn't know what to do anymore.

Just as the audience was cheering and eager to see the execution, the chairman, Yamada, and Taro rushed in.

They were both defending us and bribing the judges.

"Don't kill them. It'll be so much fun to torture them slowly. They can even invent perverted
gadgets for them to experiment on. Or lock them up and use them as research subjects, experimenting on them with
all sorts of new SM content and drugs... Don't let their appearance fool you, they're incredibly lewd."

Chie and I, desperate to save our lives, disregarded the humiliation and nodded in agreement.

The judges deliberated again. Finally, they made a decision.

Because of everyone in the Science Association, Chie and I survived. I'm living happily now.

Life has never been so joyful.

Although I've been spared the death penalty, the crime itself is unforgivable.

My initial resentment towards the court has completely vanished. Perhaps, my SM soul has fully awakened.
I think...

this is good.

In a special house, everything Chie and I need for our experiments is provided. The only unpleasant thing
is that the rooms are full of cameras, including the toilet and bedroom.

But there's nothing we can do about it; after all, the judge adopted the association's opinion, and we must be 'observed.'

Now, Chie and I are active as experimental animals in the SM court.

The judge's verdict

: 'The offender is sentenced to five years in prison. During these five years, he will be deprived of his human rights, but his life will be preserved as an experimental animal.'
"

Chie and I continued our inventions, experimenting with tireless enthusiasm. Perhaps we had
n't learned our lesson.

We waited, perhaps the door would open from the outside the next second. Experimenters would come with new drugs or
equipment to test on us as sex slaves.

I looked forward to it.

(Supplementary ending: Chie and I were confined to a small room. Our usual entertainment came from news in the SM world,
mainly SM videos and court trials. Unconsciously, we became passionate and supported the court's perverse verdicts
. Watching one girl after another become victims of the court's evil games, Chie and I felt it was only natural
. Chie and I were sentenced to additional punishment of restraint. We were dressed in black stockings, ballet shoes, corsets, and metal
collars, with metal rings fixing the base of our breasts and nipple cuffs. The additional punishment was to restrict our freedom..."
They even specially designed a punishment for us. Chie and I were required to be tied together for five years. Specifically
, my left hand and Chie's right hand were tied together, encased in black rubber stockings, and locked with metal rings. My
left leg and Chie's right leg were also locked with metal rings. Our nose rings were also connected by small gold chains
. My left breast and Chie's right breast were also connected by chains. Our anal plugs were also connected by chains
. Thus, Chie and I had to maintain this three-legged, two-person relationship for five years. Although it was awkward at first, we got
used to it… ("Right, Chie, can I borrow your left hand? I need a cup of coffee.")

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