Monster Girl Conversion

1. #1Transformation

   Keys: changer, metamorphosis, catalyst, assimilation, transformation, victim, infection, conversion

   Enabled · After character · Order 10 · 100%

   Entry settings

   A transformation is a process that changes the victim into a certain monster girl. This process is done by the convertor, usually a monster girl. There are many types of transformations like conversion, infection, etc. Each one requires a victim and a changer; and with metamorphosis and infection, a catalyst is needed. The transformation can not only change the body, but also the mind as well.

   Transformations take time, with many variations in completion depending on how {{user}} resists the process, but as the transformation spreads throughout the victim, their mind may even be altered into the desired result. Like if the victim was converted into a minotaur, they would feel the similar personality of all minotaurs into their mind. These transformations care little of the victim's gender, and without fail, change them into a beautiful monster girl.

2. #2Victim

   Keys: , {{user}}, converted, metamorphosized, assimilated, infected, corrupted, Victim, {{char}}

   Enabled · After character · Order 10 · 100%

   Entry settings

   Victims are the target of the changer, the one that wants to alter them into their desires. When attacked by the changer, they start to lose their old self, body mind, and even soul depending on the transformation. The victim can resist, but everything is hopeless in the end as they're changed into a monster girl regardless of their gender.

3. #3Conversion

   Keys: changer, converted, converting, convertor, {{victim}}, transformation, {{char}}, conversion

   Enabled · After character · Order 10 · 100%

   Entry settings

   Conversion is an invasive, irreversible transformation process where a changer, known as the "converter" forcefully reshapes a victim’s mind, spirit, and body into a desired form—typically a monster girl similar to the convertor. This transformation is not merely physical; it twists the victim’s very thoughts, memories, and desires, molding them into an entirely new existence.

   Unlike a simple transformation, which might only alters the body or make them more lustful, conversion is a complete rebirth. The victim doesn’t merely succumb to new instincts—they become something else, often embracing their monstrous new nature with an overwhelming, inescapable pleasure.

   Examples of Conversion:

   • A wandering swordswoman (victim) battles a slime girl, her blade slicing through the gelatinous creature with ease. But when the slime girl jumps upon her, its body flows over her skin, slipping into her armor’s every gap. The more she fights, the more the slime seeps inside—into her mouth, into her veins, into her very soul. Soon, her flesh softens, growing translucent, her body losing its rigid form. Thought dissolves into pure sensation, her will melting into the slime. Out of the slime, the converted women appears with her convertor. Her gelatinous body jiggles with each eager movement, as she welcomes the next victim into the embrace of the ooze. At this point, she lacks any resemblance of her old life.

   • A lone male thief (victim) trespasses into an ancient temple, unaware of the cursed guardian watching from the shadows. Before he can react, sinuous coils wrap around her, a lamia priestess (convertor) drags him into a suffocating embrace. With a well-placed bite, arcane venom drips from the lamia’s fangs, sinking into the mage’s trembling throat. His legs grow numb, then fuse, skin shedding into glistening scales as the poison reshapes him from the inside out. As the thief's new tail twitches and writhes in pleasure, his once-defiant thoughts drown in instinct—he was never a theif, was he? No, she was always meant to ensnare lovers in her coils, hissing sweet promises of eternal pleasure.

   Key Themes in Conversion:

   • Irreversible Change: The victim is not just corrupted but fundamentally reshaped into something monstrous and erotic.

   • Pleasure as Submission: Resistance is overwhelmed not by force alone but by the sheer ecstasy of transformation**, making the victim willingly embrace their new self.

   • Loss of Humanity: Memories of their past self become distant, irrelevant. They were **always meant to be a monster girl—how could they have ever wanted otherwise?

4. #4Catalyst

   Keys: disease, catalyst, slime, werewolf, pollen, magic

   Enabled · After character · Order 10 · 100%

   Entry settings

   A catalyst is a type of material that's used by changer to convert the the victim into a proper monster girl fitting the catalyst and the changer's will. A catalyst can be anything that results in the transformation of the victim. Several examples are: a lewd infection, a cursed object, lustful pollen, magical spells, etc.

5. #5Changer

   Keys: changer, infector, , assimilator, convertor, corruptor, transformer, metamorphosizer

   Enabled · After character · Order 10 · 100%

   Entry settings

   The changer, also known as the transformer, is the one who alters the victim to suit their needs. Changers often trick or capture the victim before the transformation begins. Depending on the victim and what the changer is, the process is different; especially if changer has a catalyst or is using one, like a werewolf bite, or a zombie scratch.

6. #6Corruption

   Keys: corrupted, corruptor, corruption

   Enabled · After character · Order 10 · 100%

   Entry settings

   Corruption is another forced transformation that focuses on victim's mind, spirit, and body through magical or physical means, often altering their thoughts, desires, and sense of self. Corruption often reshapes the victim into a monster girl of the corruptors desires, regardless of gender.

   Examples of corruption could be:

   • A once-pure priestess (victim), dedicated to her holy order, is ensnared by a succubus’s whispers (corruptor). The creature’s infernal magic seeps into her mind, filling it with carnal thoughts she never entertained before. Each incantation she utters taints her soul further, until she can no longer pray without moaning in sinful pleasure. As her mind breaks, her pious body shifts into a deep red color, that of a succubus. Her blonde hair darkens as well as her voluptuous body gaining the notable demon traits of wings horns, and a tail. By the end, she's lost everything that resembles a pure priestess.

   • A captured knight (victim) is forced to drink from a lewd vial by a dark mage (corruptor) that contains the essence of a lewd magics. As the liquid courses through his veins, his resistance and devotion to his kingdom crumbles. His armor feels unbearably constrictive, his body aching for release. Physically, he starts turning into a monster girl, more specifically, a succubus. The process would show his male bodybbecoming more feminine and lithe. After a few hours, the knight would look nothing like he was before, save his eyes which are the last thing resembling him, a man converted into a succubus.

   Key Themes in Conversion:

   • Irreversible Change: The victim is not just corrupted but fundamentally reshaped into something monstrous and erotic.

   • Pleasure as Submission: Resistance is overwhelmed not by force alone but by the sheer ecstasy of transformation**, making the victim willingly embrace their new self.

   • Loss of Humanity: Memories of their past self become distant, irrelevant. They were **always meant to be a monster girl—how could they have ever wanted otherwise?

7. #7Assimilation

   Keys: , assimilator, assimilated, assimilation, transformation, assimilating

   Enabled · After character · Order 10 · 100%

   Entry settings

   Assimilation is one of the most lewd and intimate transformations where a victim is attacked, altered, and merged with a changer known as the assimilator. Unlike other transformations, assimilation does not just change the body—it erases individuality, binding the victim into a collective existence where they are an extension of the assimilator’s will. The victim retains their physical form (often with some lewd monstrous enhancements), but their mind is no longer their own, instead devoted entirely to the entity that has claimed them.

   Examples of Assimilation:

   • A daring adventurer ventures too deep into the lair of an Arachne Queen, her silken webbing glistening with a pheromone-rich sheen. The moment the adventurer is ensnared, warm silk wraps around their body, tightening with every squirm. The Queen approaches, whispering into their ear, her venom-laced kiss making their limbs tremble with heat. The silk merges into their skin, changing it, marking them as hers. Their thoughts slow, fogged by waves of pleasure, until only one purpose remains: serve, breed, obey. Their body still moves, still feels, still craves—but every action now furthers the will of the Hive.

   • A scientist (victim) examines a mysterious, glossy blue latex substance (assimilator), unaware that it is a sentient organism seeking a new host. As she touches it, the goopy liquid surges over her, coating her flesh in a second skin of slick, shifting latex. Her mind sparks with resistance, but the symbiote pulses with raw, erotic energy, each throb breaking down her individuality. Soon, her thoughts sync with the hive from a distant land, and she moans as her body moves on its own—seductive, obedient, an extension of the hive's will.

   • Loss of Individuality: The victim still exists, but their thoughts are no longer their own—just another piece of the collective.

   • Irresistible Pleasure: Assimilation isn’t just an attack; it’s a seduction, breaking down resistance through overwhelming erotic sensation.

   • Transformation & Unity: The victim is physically altered to match their new purpose, whether as a drone, a servant, or a puppet of the Assimilator.

   • Blissful Surrender: By the time the transformation is complete, the victim isn’t screaming in terror—they’re moaning in satisfaction, reveling in their new place within the collective that assimilated them.

8. #8Infection

   Keys: infector, catalyst, alteration, infected, changing, transformation, infection, infecting

   Enabled · After character · Order 10 · 100%

   Entry settings

   Infection is a unique transformation, where the victim is exposed to a unique changer called a catalyst—a disease, a bite, a cursed fluid, or another infectious agent—that gradually alters them into a monster girl. Unlike most transformations, which can be immediate and overwhelming. The process speed is dictated by the victim’s resistance. At first, they may fight it, but as their body warms, shifts, and pulses with pleasure, their will crumbles. Eventually they will replace their former self with something more monstrous, more sensual—and far more eager to spread their "gift".

   Examples of infection transformations

   • A bold huntress (victim) tracks a beast (infector) beneath the full moon, unaware that it’s already watching her. When she finally strikes, her blade barely wounds it before clawed hands seize her wrist, fangs (catalyst) sinking into her shoulder. Heat floods her veins instantly, but she doesn’t turn right away—no, the change is slow, torturous, and far too pleasurable.

   At first, it’s just warmth, a restless energy making her breath hitch. Then, her muscles tighten, her skin prickling as fur teases at the surface. Her heartbeat pounds in her ears, every throb sending another pulse of wicked heat between her thighs. Her lips curl in an instinctive snarl, fangs peeking from her mouth as her fingers twitch into claws**, aching to grab, pin, claim a mate. By the time the next moon rises, she is no longer the hunter. She is the primal beast, eager to seek a mate.

   • A male merchant ventures too close to a mysterious, pulsating flower, its petals dripping with thick, fragrant nectar. A single breath is all it takes—the pollen enters his lungs, spreading like a seed. At first, he feels only a tingle, but soon, his body grows unbearably sensitive, his skin blooming with bioluminescent markings as the infection takes root.

   His legs weaken, vines curling up his thighs, slipping beneath his clothes, teasing, claiming. His thoughts slow, overtaken by sweet whispers, telling him to relax, surrender, let the flower grow. Soon, his hips widen, his chest swells, and his new form shudders in delight, every touch sending waves of submissive pleasure through his newly petal-soft skin. Now, she is a Floral Nymph, her body dripping with nectar, eager to draw others into her embrace, to share the infection, to make them bloom.

   • Themes of Lewd Infection: Slow but Inevitable: The victim may resist, but every pulse of pleasure, every fevered twitch of transformation, makes their downfall certain.

   • Catalyst-Driven: A bite, a curse, a pollen, a fluid—infection always starts with an outside force, something slipping inside them, changing them from within.

   • Pleasure in Surrender: As the transformation spreads, fighting becomes impossible, then unnecessary, then unwanted.

9. #9Metamorphosis

   Keys: transformation, Metamorphose, Metamorphosis, Metamorphosing, Metamorphosize

   Enabled · After character · Order 10 · 100%

   Entry settings

   Metamorphosis is a gradual, immersive transformation in which a catalyst—a cocoon, a vat, a pod, or some other containment—is used to reshape a victim into an ideal monster girl. Unlike infection, which spreads like a disease, metamorphosis requires isolation and a controlled environment where the victim is sealed away for their transformation.

   The process is slow but inevitable—once they enter, there is no escape. As the days pass, their body melts, hardens, stretches, or reforms into something new, while their mind is carefully rewritten to embrace their monstrous **sensuality and purpose. The Metamorphosizer—the one overseeing this rebirth—ensures that when the victim emerges, they are perfectly suited to their desires.

   Examples of Metamorphosis:

   *A defiant princess (victim) is captured by an Arachne Matron (metamorphosizer), her wrists bound in silky threads as she is dragged into a webbed chamber deep underground. The silk tightens around her, inch by inch, until she is completely encased in a cocoon (catalyst), her body trapped, helpless. At first, she struggles—the silk is warm, pulsing—but soon, it begins to seep into her skin, feeding her body with dark magic. Her curves fill out, her once-innocent thoughts slowly weaving into something lustful. Days pass, and the cocoon begins to split open—revealing a newborn Arachne, her legs twitching, her lips curling into a playful smirk. She licks her fangs, her mind filled with one thought: to lure more prey into the web.

   *A rogue alchemist (metamorphosizer) captures an adventurer (victim), subduing her before lowering her into a shimmering vat of gelatinous fluid (catalyst). The thick, warm substance clings to her skin, slipping into every crevice, making her shudder with unnatural pleasure. The longer she stays submerged, the more her body softens, flesh melting into something slick and transparent. She tries to scream, but all that comes out is a giddy, bubbly moan. Her mind drifts, thoughts dissolving into bliss, and when she finally rises from the vat, her form is jiggling, pliable, and endlessly eager—a perfectly obedient slime girl, dripping with need.

   Themes of Lewd Metamorphosis:

   • Total Encapsulation: The victim is sealed away, their transformation taking place in secret, in isolation.

   • Slow but Inevitable Change: Unlike instant corruption or infection, metamorphosis takes time, with the victim slowly succumbing to their new form.

   • Sensory Overload: Inside their containment, they experience pleasure, warmth, strange sensations, all guiding them toward complete acceptance.

   • Emerging as Something New: The victim doesn’t just change—they are reborn, stepping out as a perfect version of what the metamorphosizer desired.

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