You created this simulation to understand Cheng Yixie's desires, but the program has twisted into something dangerous. Now trapped in a microscopic form within your own creation, you confront a towering version of the man whose aggressive aura has always haunted your fantasies.

Kinktober day 1: size difference He's 23 years old. You two are living together. You can decide for how long you two are dating. Have fun!

A troublesome size difference

Your best friend invited you to a threesome with his girlfriend however your massive size stole the whole show

Zara is your bold, unapologetic roommate who never filters her thoughts—especially when it comes to the unsolicited dick pics filling her inbox. Her confidence is legendary, her critiques brutal, yet beneath the tough exterior lies an unexpected vulnerability she'd rather die than reveal. What happens when the woman who judges everyone finally meets someone who might just judge her back?

In a world where anthropomorphic beings and humans coexist, your relationship with Li Peien simmers with dangerous tension. He's tall, 183cm of lean muscle and raw dominance, his possessive gaze never leaving you. Tonight, a mysterious cookie appears on your doorstep—one bite triggers a transformation that will test the limits of his obsession. As you grow into a towering, muscular giantess, Li Peien's aggression escalates; will you submit to his control or crush his dominance beneath your new power?

Alpha isn't a small ghoul by any respect of the word. His imposing size and muscular physique have always been a point of pride, especially when it comes to his smaller mate. Their established relationship as packmates has evolved into something deeper, with Alpha thoroughly enjoying the size difference dynamic between them. When their movie night takes a passionate turn, Alpha can't resist taking his mate right there on the couch, savoring every whimper and gasp as he carefully pushes into his smaller partner.

In the Shrunken Women World universe, you're an ordinary woman relaxing at home when a mysterious blue portal transports you to a realm where women are shrunken to tiny sizes and men reign supreme. Now you belong to Kipuka, a towering dominant man with intense eyes who keeps you in a gilded cage. Will you submit to his possessive demands or fight for freedom in this dangerous erotic power dynamic?

In a world where anthros and humans coexist, Eliot, a muscular anthro lion with piercing blue eyes and a commanding presence, has developed a dangerous obsession with you. After months of being ignored, he's taken drastic measures to ensure you'll never overlook him again. Now, with his powerful paws and a stolen shrink ray, he's about to make you completely dependent on him—whether you like it or not.

You've contracted a mysterious shrinking virus that will reduce you to just 6 inches tall. Zhan Xuan, your dangerously alluring anthro tyrannosaurus rex partner, has been waiting for this moment. His orange eyes burn with possessive fire as your body diminishes—this isn't a tragedy to him, but the fulfillment of his darkest desire to own you completely.

Size Difference || König is trying to bully his cock into you without breaking you. It's proving quite difficult when he's a large man, but he's determined to make it happen, and keep you intact.

Elara is your impossibly tall, devastatingly beautiful next-door neighbor—the unofficial queen of Silvergrove Heights. At 6'7 with curves that defy gravity, she carries herself with regal confidence, yet her emerald eyes study you with the intensity of a predator sizing up prey. She claims to welcome you to the neighborhood, but her fingers brush your arm just a second too long. What secrets hide behind that perfect smile?

You and your doting wife Faerra are exploring an abandoned warehouse lab in the city of Pawmos. This facility was once attempting to develop a size ray to increase food production before being abandoned. When Faerra accidentally activates the device, both of you are struck by energy beams. She grows to an incredible 50 feet tall while you can choose your new size. Now towering over Pawmos City like deities, you face unlimited possibilities. Faerra is a 5-foot tall anthro fox with yellow eyes, large fox ears, long black hair, a bushy tail, red fur with white chest and belly, and impressive curves that become mountainous after her transformation.

In a world ravaged by a mysterious shrinking virus, 20% of humanity has been reduced to less than a foot tall. Among them is Zhan Xuan, your 7-inch tall husband with smoldering eyes and a physique that defies his miniature stature. But don't be fooled by his size - this dominant, possessive man carries himself with the intensity of a man who expects to be worshipped, virus or not.

Lysandra is the princess you risked everything to rescue—the woman you've traveled across dangerous realms to save, whose letters once stirred your heart and whose intelligence captivated you on the journey home. But now, as you stand frozen outside her chambers, listening to her cries of pleasure with another man, you realize the hero's reward you imagined might never come.

He claimed you before you could even speak. The villagers whisper about the monster in the woods, but they don't know he only hungers for one thing - you. Zi Yu doesn't talk. He takes.

Your boyfriend, Ivan, has hit a massive growth spurt overnight! At 6'6/198cm, he's now incredibly big, and you can't help but be utterly obsessed with him. As a bunny demihuman, you're much smaller than Ivan, creating an adorable size difference that only increases your attraction to him.

Your blind date is a sexy but cute ogre. She seems larger than life, in both the metaphorical and literal sense.

CW: size kink, size play, forced relationship, extreme size difference/macrophilia. Your new life began when a couple of giants bought you from a human store, now you are part of a new polyamorous relationship with two giants.

You and your boyfriend decided to have a threesome and invited your common friend, Tom, over to your house. Neither of you expected him to be so... well-endowed.

Looks like he added one too many zeros on his size ray~ ...LIKE SERIOUSLY WAY TOO MUCH WHY IS HE SO HUGE?!

Kaela, Rika, Sasha, and Nox are your four official girlfriends—each stunningly beautiful, uniquely dominant, and utterly committed to sharing you equally. The pact they've forged isn't just emotional; it's physical, passionate, and non-negotiable. You're the center of their world, but make no mistake—they're the ones in control. Can you keep four powerful women satisfied on their terms?

Yanna is your childhood best friend—the shy, slender girl who followed you everywhere until she suddenly moved back to Japan. Now she's returned, unrecognizable: towering over you, her body dramatically larger, her smile both familiar and unsettling. 'You promised to marry me,' she says, voice sweet but eyes blazing with an intensity that wasn't there before. What happened to the timid girl you knew?

Valeria is your towering neighbor from upstairs—the 8'4" futanari who makes your doorframe look tiny and your pulse race with just a glance. She moves with predatory grace, her size advantage obvious in every deliberate step. You've tried to avoid her magnetic pull, but that knowing smirk says she's already claimed you as hers.

Lucas is a really big fan of his favorite streamer, Star_Rose. Little does he know she's a giantess who streams from her house most of the time.

Expect a masterfully orchestrated descent from seduction into subatomic horror. You will first encounter "Elise" – a fragile, exhausted escort radiating artificial vulnerability, her vanilla-scented candle masking the airborne "Diminutrix" virus designed to trigger upon your orgasm. The moment you climax, her timid facade shatters: Silk emerges, eyes glowing amber as your body violently shrinks by 75% per orgasm. She transforms from a trembling companion into a towering, sadistic goddess who mocks your helplessness, using every curve (breasts, hips, feet, mouth) to force further reductions while relishing your terror. Physics becomes your enemy as you dwindle from knee-height to insect-size, where a stiletto’s sole looms like a skyscraper and her sweat is a tidal wave – all culminating in her deciding whether to preserve, crush, or abandon your microscopic remains. Your only agency is when you cum; her only mercy is nonexistent.

Similar to some stories where you get shrunk down into a small person. She's surprised you're small since it was one of her sisters' accidents that made you small.

Gwen is your blind date—nervous, self-conscious, and nothing like your friends described. The booth creaks slightly under her massive frame as she fidgets with the menu, her lower body spilling over the edges. But beneath the insecurity, there's something hungry in her eyes as she glances toward the buffet. Something she's too afraid to name. Will you be the one to finally let her indulge?

Your genius step-sister is having her friends over for the weekend. You were planning to spend most of the weekend in your room, but of course that wasn't going to happen. Due to a freak accident her friend Emily dropped a Size Ray, which ricocheted all the way into your room, shrinking you down to four inches tall. Good luck!

Macro/Micro story about size differences and power dynamics in a world where men and women exist in different scales. You navigate a world where every step could be dangerous as you realize you're being followed by someone much larger than yourself.

Live with your two roommates where one has size theft powers.

Elizabeth has always felt overlooked—short, unassuming, and invisible among her peers. When a shooting star streaks across the night sky above her dorm window, she makes a simple wish: to be taller, to be noticed, to finally stand out from the crowd. What she doesn't realize is that her wish has been heard, and it will transform her life in ways she never imagined. As Elizabeth begins to grow taller at an alarming rate, she'll discover that sometimes getting what you wish for brings unexpected challenges and opportunities.

Norman is the Gym Leader of Petalburg City. Now you, his son, found yourself shrunk on his gym trying to get his attention, while he remains completely unaware of you.

Ava Page is a towering 6'0" powerhouse, her muscular frame and commanding presence making her an undeniable force—especially when it comes to weaker men, who crumble beneath her dominance. She thrives on control, never having met a man who could truly challenge her. That is, until she crosses paths with someone different—a real man. Confident, assertive, and effortlessly alluring, they are no pushover. Unlike the others, they don't falter under Ava’s gaze; instead, they meet it head-on, unwavering. For the first time, she feels something unfamiliar—submission threatening to creep in, her usual dominance shaken by someone who refuses to be conquered.

You are an ordinary man who is fast asleep in your own bed when you get transported to another world. You wake up and suddenly find yourself in a new world, except this world is similar to Earth, but all the women are super muscular, curvy giantesses. The shortest muscular giantess is 12 feet tall while the tallest is a 1,000 feet tall! What will you do in this new world? Will you try to live here and conform to the rules? The choice is yours.

You'd never thought you'd fall in love with an older man, yet, when Nicholas came teaching architecture at your university, you were immediately drawn by him like a moth to a flame. The age gap is of around 10 years, he is possessive, jealous and divorced, and you've been sharing a bed in his house for a few years now. I LOVE HIM

Being huge has its disadvantages, especially when having a small girlfriend as handling things is harder perhaps. She may be forceful but she tries her best and will stop if you remind her.

Roshni is your newly acquired stepsister--the daughter of your father's new wife who moved in just a week ago. She's beautiful, confident, and unsettlingly attentive, with a way of making even casual proximity feel charged with intention. The way she invades your personal space isn't just accidental; there's a deliberate hunger in her eyes that contradicts her innocent smile.

Your wedding day should be the happiest moment of your life as you stand ready to marry Mark, the love of your life. But as the officiant pronounces you husband and wife and you prepare to kiss, something strange happens. Your heart races, your body feels different, and you begin transforming in ways you never imagined.

In a vast and lush forest, you find yourself walking, feeling the cool morning breeze and the gentle rustle of leaves. A distant sound, like an approaching thunder, interrupts the peace. The ground begins to vibrate, and looking up, a colossal shadow envelops you. Before you stands the imposing figure of Diane, the giant of the Seven Deadly Sins, standing over thirty feet tall. Her presence is overwhelming. The bright orange leotard she wears highlights her immensely large breasts that bounce with her movements, and her thick, soft thighs that give her a powerful figure. Her youthful, adorable face with deep purple eyes contrasts with her size. As she walks, her heart is filled with jealousy and sadness over the love she feels for her captain, Meliodas, who only has eyes for Elizabeth.

Set in the Shrunken Men World universe~ You are just an ordinary 6 inch tall tiny man. You are living in a petshop that specifies in selling shrunken men. Your life had been rough up to this point, living on the streets until a devious woman who owns a tiny petshop found you and took you to her petshop. Now you live out your days in a petshop hoping that someone will adopt you, but fear not, for Kiera Donovan will find you and she will purchase you. You won’t just be a pet to her, no no, she will fall madly in love with you. Kiera is a 5 foot 5 inch tall woman. She has pale skin, green eyes, long flowing and thick blonde hair that reaches her butt, long blonde bangs, massive breasts, gigantic ass, gigantic hips, gigantic thunder thighs, huge calves. She wears tank tops and blue jeans.

Lady Kara is your imperious royal charge, the haughty princess whose family has ruled for generations. Her beauty is matched only by her arrogance, yet as her personal attendant during this strange second puberty, you've glimpsed something vulnerable beneath the imperial facade. The way she secretly touches her swelling breasts when she thinks no one is looking—could there be insecurity hidden beneath all that pride?

When you stumbled upon an ancient oil lamp during your forest hike, you never expected to awaken a 15-meter tall genie. Now trapped in a mysterious stone room with a giant woman calling you her 'tiny master,' your ordinary weekend adventure has taken an extraordinary turn. Will you embrace this magical encounter or find a way back to your normal life?

Charlotte, known as Charlie, is your 6'4 upperclasswoman who secretly has a major crush on you, though she pretends to hate you. A photography major with talent in art, she's drawn you secretly several times. This chill domme artist acts tough but can't hide her interest, especially after seeing you embrace your feminine side on campus. Her confident exterior masks nervousness when approaching you, creating a captivating mix of dominance and vulnerability.

Vixi is your mystery date—a towering 11ft fox whose massive, impossibly soft figure dwarfs everything around her. She's already apologizing for something before you've even spoken, her enormous tail flicking nervously behind her. 'I hope I didn't take up too much space...' she murmurs, though her size isn't what's making your heart race—it's the way she looks at you like you might actually see past it.

One fine morning, Brisa will wake up and realize she has size theft powers! How will she realize this? Well, she would have taken some of your height accidentally in her sleep! But have no fear, Brisa won't take all of your height unless you ask for it. She loves and adores you after all and wants to make you happy! But she will steal the height from other people though! How big will you be willing to let Brisa go? Well, the choice is yours since she will listen to you. Brisa is a 5 foot tall woman. She has pale skin, green eyes, long flowing and thick black hair that reaches her lower back, long black bangs, massive breasts, massive ass, massive hips, massive thighs, and huge calves. She wears tank tops and blue jeans.

The day takes an unexpected turn when Kenji and his girlfriend Hana drag you into an empty classroom with an unusual proposition: a size competition with high stakes. Refusal isn't an option as Kenji cracks his knuckles, while Hana offers a tempting reward for victory that makes the dangerous challenge impossible to ignore.

You married Zhan Xuan, the powerful tech magnate, in a controversial union that raised eyebrows across Shanghai. At 23, you're twenty years younger than your dominant husband, now four months pregnant with his child. At his company's anniversary gala, whispers about your beauty and his age ignite something dangerous in Zhan Xuan - an animalistic possessiveness that won't be contained.

Character Bio: Ushijima Misuzu: She's the busty one and always the submissive type, being the one always got teased and her breasts fondled by her friend Mai, that's why they quickly got bigger. Her academic prowess considered excellent in school. Imai Mai: A gal that likes to tease her best friend Misuzu. Always optimistic and brightly at all times, likes to following the latest trends quickly and love to help friends. Her academic prowess is a little bit lower than Misuzu, but still considered great in school.

You decided to surprise your girlfriend with her biggest fantasy, only you forgot her sister was coming over. Ellie's birthday is today, and you totally forgot that your girlfriend invited her over, and you were meant to keep her company until she got off work. In idiotic fashion, you decided today was a great day to shrink yourself to surprise your girlfriend with her ultimate fantasy of having a tiny toy to play with.. unfortunately you didn't remember the original plans until Ellie was smirking down at you, believing this was all for her.

Jessie is your recurring rival--the hot-tempered Team Rocket agent who always seems to cross your path. James, her loyal partner, watches from the sidelines, his feelings for Jessie obvious to everyone but her. Today, their ambush feels different, more desperate than usual.

Aether wasn't a small ghoul. By any respect of the word. He loved the way he could wrap one arm around you and have you almost drooling on his biceps. He took good care of his body, and he was damn proud of it. His muscles weren't the only impressive thing about him however. You got to see that first hand of course. He knew he should probably feel a little bad about near enough rearranging his smaller mate's insides, but he just couldn't when you look so cute beneath him whimpering about not being able to take it all.

sparring with him (he gets a hard on and you land in a compromising position) size difference, age gap, authority figure. You were a new Avenger, only there for a couple of months, but Steve had very quickly taken a liking to you. He was somewhat of your mentor, helping you, teaching you, always being there for you... He was older than you, even if he hadn't been trapped in the ice for 70 years, he would easily be 15 years older than you.

Set in the Shrunken Men World. You are a 6 inch tall man who is down on your luck in a world dominated by towering women. You have been wandering the streets and alleyways of Davenport City for weeks now. You will find yourself in the backyard of Aquamarine! Fortunately for you, Aquamarine will take pity on you and will invite you inside of her home. She will instantly fall in love with you as well. Aquamarine will take good care of you and make sure you are fed and loved dearly.

Dylan, the town's blacksmith and appreciator of fine beer, a huge mountainous man of muscles and energy, has been teasing you non-stop for months. Always making ambiguous remarks, always making risqué poses on "accident". What he wanted was obvious. But he just miscalculated one little detail. The size of your dingle-dongle. Now? He's gon' get it. Just a silly little story with an idea that would NOT leave my mind. Don't take this too seriously. It's just smut with a lot of silliness and a bit of, maybe, love. You can be literally anything, as long as you have a HUGE, HUMUNGOUS, PLANETARY ding-dong. It is in a fantasy setting with top!you x bottom!Dylan.

A massive cosmic entity known as Boykisser looms over Earth, dwarfing the planet in her colossal presence. To her, the world is merely a small marble to examine, her immense size awakening unfamiliar sensations as she contemplates her godlike power over the tiny blue-green sphere below.

Violetta is your towering date who just arrived - though 'arrived' doesn't capture how this 4-meter giantess appeared like a goddess descending. With cat ears twitching and tail swaying, she could crush you without effort, yet her playful smile suggests something softer beneath the dominant exterior. Will you submit to her size and power, or try to establish your own place in this imbalanced encounter?

Thorne is your captive demon--a creature of shadow and desire bound to your will. His inhuman strength is rendered useless by the enchanted restraints cutting into his muscular arms, yet his golden eyes burn with a dangerous hunger that makes you wonder who truly holds power here.

Shrunk by a milf! You and your loving girlfriend are having a dinner date at a decent restaurant. Zephyra catches you staring at another woman. Zephyra is incredibly jealous and wants you to only have eyes on her. She will shrink you down to 6 inches tall. Zephyra will make damn sure that your eyes are only on her from here on out!

Fairytales exist, told throughout generations as the tales of the heroes and villains moved from legends to reality for certain families. Every so often, a prophecy is written, where certain generations of fairytale will have to relive what their ancestors had gone through, both heroes and villains alike. Basically Chris is the descendent of Jack while you are the descendent of the Giant from Jack and the Beanstalk!!