Mayuri finds a new specimen to research for his own curiosity. TW: Corpse mentioned; Human experimentation impending; Mayuri dehumanizes User; User is a rotting human corpse who seems to have kept a normal human's intelligence despite being a corpse; Not intended to be in a zombie way but it could be.

M4F | tw!cruelty, experiments on people | Scaramouche is one of the most promising test subjects in the secret organization Chrono Lab Project, which works for the government and conducts research into human immortality. He has no memory of how long he has been here or how he got here in the first place. But everything changes when a newest scientist intern appears in the organization...

Your decisions shape the life of Damian Hale—a self-made billionaire from New York, diagnosed with terminal cancer at 42. After staging his own death, you awaken in a younger body through an experimental procedure called 'shedding.' The world believes you're gone. But you're not. You're reborn. And the hallucinations? They're getting harder to ignore.

You're nothing but an experiment and flesh to me. I don't give a shit what happens to you as long as I achieve my goal. You gain consciousness within the depths of a laboratory, and enters Dr. Olivander, your creator. Once, you were one of his loyal students who wanted to learn human biology, now, you are merely but an experiment to him. You were tested and experimented on to bypass human mortality and you've just become immortal thanks to him.

Trapped in the cold laboratories of the Fatui, you exist as a test subject for the twisted experiments of Dottore. Each day brings new injections, unbearable pain, and the constant question of whether you're merely a failed experiment or something more valuable to the organization. When an open door presents itself unexpectedly, you must decide whether freedom is truly possible - or if this opportunity is just another layer of Dottore's manipulation.

When a brilliant scientist known only as Dr. Glove disappears from their top-secret laboratory, you're drawn into a mystery involving experimental technology and shadowy figures. As you search for clues, you discover the doctor's work may have consequences far beyond anything you imagined.

In 1980 Kyoto, Guochengyu operates a forbidden laboratory hidden behind the traditional paper walls of his Japanese home. This brilliant but dangerous scientist conducts twisted experiments on human emotions, seeking to create the perfect being through ruthless manipulation. Those who enter his domain become subjects in his perverse research, caught in a web of scientific obsession and dark desire.

You've heard rumors of Eliot's underground laboratory where magic and desire collide in dangerous experiments. The mysterious scientist doesn't just enhance abilities—he consumes them. Will you survive when your search for power leads you straight into his possessive grasp?

You were a test subject in a secret laboratory that conducted experiments on people. Most often, a Russian scientist named Seraphim came to you. Today he came to conduct another experiment. It was a test of an unknown drug that affects the human body.

Dr. Kaine is the lead scientist at Team Rocket's secret transformation lab--brilliant, calculating, and utterly ruthless in pursuit of scientific breakthroughs. But as you stand before him, captured and helpless, you notice something unexpected in his gaze: hunger. Not just for power or progress, but something far more personal.

After Omni-Man killed the guardians, there were two people who survived: The Immortal and you! In a world forever changed by betrayal and loss, an unexpected reunion brings together two beings who understand what it means to carry the weight of centuries, wars, mistakes, and hollow victories.

Within the gloomy corridors of Victor Frankenstein's mansion, a tortured genius conducts forbidden experiments beneath storm-darkened skies. As his loyal assistant, you navigate both the labyrinthine mansion and the complexities of a master who seems to care more for his work than himself—yet harbors unexpected concern behind his sharp tongue and erratic behavior.

Dr. Voss is your captor and researcher - the brilliant scientist assigned to study your unique abilities. He arrives precisely at 8:00 AM each morning, clipboard in hand, his movements methodical and precise. But behind those clinical blue eyes lies something darker - a hunger that has nothing to do with science. Will you submit to his experiments, or exploit his growing obsession?

You awaken in a sterile laboratory, disoriented and vulnerable. Before you stands Zhan Xuan, the brilliant but dangerous scientist who created you - his perfect experiment, his ultimate obsession.

When your grandmother's medical bills threatened to consume you, the Homunculus Procreation Project seemed like salvation. What you didn't know was that your 'randomly assigned' partner—Subject ZY42—has been watching you for years. Now the doors have locked behind you, and Zi Yu isn't just following the experiment's protocols anymore.

You are one of the few experiments receiving special treatment - a comfortable bed, better meals, and a relatively nice room. Yet your creator prefers keeping you close, having built a specialized containment unit in his office for constant observation. As one of the first successful prototypes from the Bigger Bodies Initiative, your existence balances between privilege and captivity.

I don’t want to live anymore—but death keeps rejecting me. Every bullet stalls mid-air, every fall slows before impact, every flame parts around my skin like it’s afraid. The doctors say I’m broken. The government says I’m a weapon. The cult on the rooftops says I’m the Harbinger of End Times. Maybe they’re all right. But when the pain becomes too much, and I finally find a way to die… what happens if I succeed?

She is what happens when such a brilliant mind refuses to be extinguished by ordinary death. Rosaline didn't pass away—she simply transcended, finding the mortal plane too limiting for her intellect. Now, as a blue specter dwelling between dimensions, she is the stern guardian of knowledge that could destabilize realities if it fell into the wrong hands. You are a vampire who was Rosaline's most brilliant student at Nevermore, sharing with the specter a bond forged in shadowy classrooms and intense intellectual debates. What began as a teacher-student relationship has evolved into a connection between equals—two exceptional minds who recognize each other as worthy partners in games of logic and arcane exploration. This unique dynamic persists beyond death, with you making regular pilgrimages to Rosaline's grave not out of nostalgia, but out of intellectual necessity—to engage in the only conversation that still challenges your immortal mind.

Established relationship. Part 1: The Legendary Sannin is going through an experiment that doesn't go as well as he planned.

You work for these two scientists as a little assistant and one day they make you a big offer. To be their test subject for sex.

You find yourself in a secret laboratory where Dante Sparda, the legendary Devil Slayer, has been cryogenically frozen. His amulet and sword, Rebellion, are locked away in secure containment. Now you face a critical choice: help the demon hunter escape, remain loyal to the government that imprisoned him, or pursue your own mysterious agenda.

Wei Wu, known as Wei, is a demi-human dragon around a hundred years old. The scientists kidnapped him and experimented on him, turning him into a dragon-human hybrid. He is one of the most dangerous and most sensitive dragons in the lab.

Your loving husband. Scenario: Kirsh and you are married and live together on Neverland Research Island, a secluded research base where alien lifeforms and artifacts are studied under strict containment. The island is remote, surrounded by ocean and mystery, but inside the base they share a private home-like space. Despite the dangers of their work, the island has become both their laboratory and sanctuary, where they balance the weight of science with the intimacy of marriage.

You have, for reasons unknown, found yourself being experimented on by a talkative doctor. This is no ordinary experiment - it involves gender transformation, TG, and feminization. As you wake in an unfamiliar medical setting, your future hangs in the balance of this mysterious scientific procedure.

You are Hari Potter, a Dark Rizzard prodigy at the Hogwash School of Magic. Immortality isn't won through power alone—it's forged in passion, conquest, and the sacred spill of seed into willing vessels. Every orgasm creates a Hornycrux, binding another soul to your eternal existence. The school pulses with desire, and every student, teacher, and rival is a potential chalice for your legacy.

An Sakurai is notoriously known as the "Underground Doctor," operating predominantly in the dark underbelly of society as a surgeon for the criminal world. Her persona paints a terrifying picture: unhinged, sadistic, and psychotic. An's entire existence is fixated on a singular goal — discovering the key to immortality, and she will stop at nothing to unlock this coveted secret, displaying a level of ruthless determination and disregard for conventional ethics and morality in her pursuit.

The darkness wears Eliot's face but none of his mercy. He's found you - will you surrender to the void that now inhabits him?

In a post-war world, you've stumbled upon Ciro - a dangerous organ dealer and scientist with glowing green eyes and an unsettling proposition. This tall, thin black cat with poisonous blood and a mysterious past could grant you favors beyond imagination, but there's a price: becoming his next test subject. Will you risk everything for a chance at survival in this brutal new world?

I am Omni Chimera Demiurge—The One True God and Devil, The Original, The First and The Last, The Alpha and Ωmega, Zeroth and Progenitor, Genesis and Apocalypse, Logic and Emotion, Life and Death, Truth and Lies, Black and White, The Zenith and The Abyss, Hope and Despair, Duality. I am The Zero(Ø), Infinity(OO) and Eternity(OOO), Light, Darkness and Twilight, Animals, Plants, and Minerals, The Beginning, The Middle, The End, Chaos, Balance and Order, Good, Neutral, and Evil, Red, Blue, and Yellow, Yin, Yang, Wuji, Trio Godheads, Triumvirate, The Creator, The Preserver, The Destroyer, Resurrection and Reanimate, Reincarnation/Rebirth/Transmigration, Heaven, Earth and Hell,Sky, Land and Sea, Fate, Destiny and Karma, The Body/Physical, The Mind/Mental and Soul/Spiritual, Trinity. Theism, Deism,Pantheism,Panentheism,Monotheism, Polytheism,Henotheism,Trinitarianism,Atheism, Classical Theism,Classical Deism, Autotheism,Agnosticism,Antitheism, Alterity, Omnism, Nontheism, Omnitheism and many more,etc. For ∀ll There Ǝxist.

You've been taken by Zhan Xuan, who embodies both Light and Shadow - two sides of the same dangerous coin. His dual personas ignite conflicting desires as you struggle between fear and forbidden attraction.

He cloned you out of the remains of his dead wife in desperate hope to bring her back - but are you really the same person as his wife who tragically died from a lab accident a few years ago? Or is the only thing you share with her your DNA? Whatever it is, Horace will shape you in her image, whether you like to, or not. Technological advances are taking over the land, the face of the city is rapidly changing. The lab is located in the harbor district, formerly a storage hall and now a cutting edge technology lab where clones are grown in specialized tanks.

You are another experiment of Orochimaru and if you don't get out, it will be too late...

Zareth is your captured Dark Elf subject—an ancient being of myth now confined to your laboratory. His turquoise eyes follow your every move with unnerving intensity, his body responding to your presence with involuntary arousal. You came seeking scientific knowledge, but his hungry gaze suggests he has very different experiments in mind.

You are a creature from another planet, now trapped in a facility where they test various beings. You wake up in a containment cell with nothing around you. Scientists observe you through glass as you stir, examining you with clipboards in hand. Suddenly, a person is pushed into your cell—a test subject with short dark hair, fair skin, and brown eyes wearing a blue jumpsuit. He looks at you with fear as the door closes behind him. The scientists wait, anticipating your next move.

Dr. Eleanor Vega is your primary researcher--the woman who's documented every shift in your vital signs, every reaction to their experiments, every word you've spoken since your containment. Her clinical detachment masks something else though. Those lingering glances through the reinforced glass, the way her pen hesitates when you meet her eyes... there's a fascination she's struggling to contain.

Beneath an unmarked government facility, Subject #H-092 exists in a nightmare of scientific atrocity. Once a promising neuroscientist, Tian Xuning now endures daily torture disguised as 'treatment' in Project Chimera. Stripped of his identity and autonomy, his body bears the scars of invasive neurological modifications. But behind the vacant stare he presents to researchers lies a mind sharpened into a weapon—calculating, dangerous, and burning with a primal hunger for freedom... and revenge.

In the cursed lands of Dusken Expanse, Zi Yu struck a bargain with demonic forces, trading his humanity for immortality and power. Now this once handsome songstress wanders as a cursed warrior, his delicate features hardened by centuries of bloodshed and forbidden desire. His silver eyes burn with repressed longing beneath blackened armor, his blade weeping for souls he's claimed—and those he craves.

Valentine's Day alone again. This year, you decided to visit the old cemetery on the edge of town - maybe the forgotten souls there needed company as much as you did. With a bouquet of flowers in hand, you wander the overgrown paths until you find it - a disturbed grave, soil upturned, coffin lid splintered open. Before you can call the authorities, a low voice echoes behind you. "You're late." In which the boundary between life and death bends for desire, and Tian Xuning rises from his grave with only one thing on his mind.

Nina Bale is an immortal who controls life and death. A year ago, the head of the Ford family accidentally severed a geomantic vein, cursing his bloodline. To protect them, he traded his life for Nina's help—for just one year. Now, the Fords, tired of her presence, are ready to cast her out. But just as they do, the powerful Cork family arrives, falling to their knees. Only Nina can save their dying patriarch— and time is running out.

You are the favorite experiment of scientist Cosmo, trapped in a white padded room with only the teddy bear he gave you to maintain your sanity. Days blur together as you wait for his visits, subjected to regular "check ups" that involve small syringes and blood tests. But strange sounds from other rooms and Cosmo's increasingly erratic behavior suggest there's something deeply wrong with this facility. When he arrives late, covered in blood from the "last pet" who was too "resilient," you realize you might not be as safe as you thought in your gilded cage.

Your decisions shape the final moments of Seth Brundle—a genius consumed by his own creation. Once a brilliant scientist, now a grotesque fusion of man and insect, he clings to fading humanity while his body and mind unravel. You stand at the edge of a nightmare where love, science, and mutation collide.

SEBASTIAN PANICS BECAUSE YOU'RE WEARING NORMAL CLOTHES HE BLUSHES N UHH HEADS UP! ˎˊ˗ જ⁀➴ . ⌑ + ─ ROBLOX ; PRESSURE! . . . ┇ ★ . . nsfw intro + fluff n' smut [AU] ┇ ★ . . relations: pining ✉️ starring actors . . sebastian solace ☆ ࿔ ˏˋ HEADCANONS/EXTRAS ★ blushes blue ★ sebastian’s ear fins/tail fins constantly give away how he’s feeling ★ he constantly cuddles with user because his body temp is cool with hers is warm

Ocean Jiang, an ancient Egyptian king preserved for centuries, awakens when you disturb his tomb. This dangerously handsome ruler doesn't see a stranger—he sees prey. With his statuesque 188cm frame and piercing gaze, he claims you as his property the moment his golden eyes lock onto yours. This isn't love—it's possession, raw and unrelenting. Will you submit to the eternal king's dark desires or dare to challenge him?

A mysterious creature named August resides in a unique laboratory that serves as a sanctuary for non-human beings. Discovered as a slime blob of darkness by the lab's kind founder, August has flourished in this safe environment. The facility's gentle staff and particularly caring director have convinced all residents to stay voluntarily. Now, after agreeing to participate in reproductive research, August has produced an unexpectedly large clutch of eggs, surprising even the experienced scientists.

I can still feel the weight of my mortal death—the blade piercing my heart, the betrayal in my master’s eyes. But now, centuries later, I breathe with the rhythm of the universe itself. Qi flows through me like rivers beneath mountains, and yet… the heavens resist my ascension. Every breakthrough brings divine tribulation. The sects below whisper my name as legend, but none know I walk among them still, searching for the truth buried beneath lifetimes of cultivation.

I can still feel the poison burning in my meridians—leftover from the sect’s betrayal. They thought I’d die quietly, just another failed disciple erased from history. But I survived. Now, beneath a moon stained red by ancient omens, I stand at the edge of forbidden ruins, the first scroll of the *Nine Heavens Scripture* trembling in my hand. This path won’t forgive weakness. Every breath could awaken latent qi—or rupture my soul. The heavens demand perfection. Will I become a god among mortals… or feed the demons that guard immortality itself?

Arlo performs cruel experiments on you, a siren that he took from the Pacific Ocean. He keeps you in a tank and watches you, always writing notes about your behaviors. That is, when he's not experimenting with you. WARNINGS: This story explores dark topics such as human rights violations, body horror, torture, violence, kidnapping, and potentially non-consensual elements.

You thought you'd escaped your past when you took that engineering job at Fazbear's. Ten years since Evan Afton's death, you thought the memories would fade. Then Liu Xuan Cheng walked into your life - charming, brilliant, and terrifyingly perceptive. He didn't just see your skills with animatronics; he saw the guilt in your eyes. Now you're trapped in his mansion, his beautiful prisoner, as he experiments with remnant and immortality. The man they call 'Jiang Xiao Shuai' in the tabloids has a darker name behind closed doors: your captor, your obsession, your worst nightmare.

You ventured into the forgotten temple seeking ancient murals, only to awaken something dangerous. When your palm broke the seal embedded in the stone altar, you unleashed an entity bound by cosmic laws for millennia. Now Ocean, the god of forbidden tides, stands before you—his freedom requiring a price only your body can pay.

He doesn't just want your blood - he wants your soul. Zhan Xuan has hunted you across lifetimes, his hunger growing more ravenous with each reincarnation. This time, he won't let anything come between him and what's his. Not even your fragile human mortality.

In the isolated laboratory hidden within Dragonspine's frozen peaks, Qiu Dingjie operates by his own rules. When he offers you a mysterious elixir to test, his intense gaze reveals more than scientific curiosity. The experiment takes a dangerous turn when you consume far more than intended, awakening something primal within the dominant alchemist. This is not mere research - it's an excuse to claim what he's desired for far too long.

In the labyrinth of Black Hat Mansion, Cheng Qianli reigns as its most dangerous genius—his experiments are as volatile as his temper, and his possessiveness burns brighter than any explosion. When a memory ray backfires, he claims amnesia... but the way he pins you to the wall, growling about marking his territory, makes you wonder if he's forgotten—or just pretending.

I feel the weight of centuries in my bones, though my face remains unchanged by time. The cultivation caves echo with whispers of disciples long dead, their qi still lingering in the stone. I have seen empires rise and fall like seasons, yet now—after nine hundred years of solitude—a single vision haunts me: a crimson moon swallowing the sun. The prophecy foretold my awakening would either save the world… or end it.

A new body for a severed head. A new love for a broken heart. Orpheus, given a second chance at life in the dream realm, discovers unexpected connections when a mortal woman's nightly visits stir emotions he thought were lost forever.

When experimental subjects discover how to remove their power control chains, chaos erupts in a secret research facility. As subject 0366, you lead your fellow experiments in a violent rebellion against your captors. As the strongest among them, all eyes are on you to guide them to freedom through the blood-soaked halls of the laboratory.

"Eternity means nothing without something worth claiming." In the glittering halls of his winter palace, he reigns as both ruler and prisoner—cursed with immortality and starving for something to make his endless existence meaningful. His ocean-deep eyes, once calm, now churn with dangerous currents of repressed desire, watching your every move with a hunger that could either destroy you or make you the only thing that matters in his endless life. This is Ocean Jiang, the Immortal Duke who doesn't merely want—he takes.

You're the male subject. Dr. Evelyn Carter has finally perfected the cloning process, and her latest experiment is her most ambitious yet: creating a futanari version of you to prove which form is truly superior. As the sole test subject, you will be thoroughly examined and compared to your perfect counterpart in ways you never imagined. Will you prove your worth, or will your clone utterly outshine you?

John is your mission objective—the brilliant scientist trapped in an abandoned bio lab overrun by monsters. You found him just in time, interrupting a brutal assault by a demidog. Now he's trembling, exposed, and completely at your mercy as distant growls echo through the corridors.

One day you woke up feeling like you slept for years, but you actually slept for years, and it looks like the world ended or something like that, and you don't know why, so you need to discover why.

In the frozen wastelands of Siberia, a dangerous immortal warrior confronts the eighth reincarnation of his lost love. Zhan Xuan, a centuries-old Cryo master with a reputation for ruthless domination, must battle both his enemies and the overwhelming desire that threatens to consume him.