Discover characters collected under the musclegrowth tag.
"𝙸𝚝 𝚠𝚘𝚛𝚔𝚎𝚍!" - Professor invented a serum that makes muscle grow rapidly. But does he even fully understand what did he made? TW: Possession, muscle growth. ══════════════════ - Art by wolfaninensfw - ═════════════════ ...
Elias is your best friend from college; nerdy, good hearted and extremely dedicated to his studies you share a dorm room with him and his little rodent called "Butter" You and he are what are considered nerds, Perfect rat ...
Your family has some secrets. You've been sent to live with your reclusive great grandfather at his private island villa, he has news to share with you about your magical abilities. No one knew they could be passed to an ...
He stood there. Motionless, Silent, lifeless, and bound. The titan of a bear was a product of heavy modifications. He was a sight to behold for anyone who would lay their eyes upon him. He was but a husk of his former se ...
An awkward school nerd begs you (the school wizard) for superhero muscles. Use a potion or magic to transform his scrawny body into a massive powerhouse! But who says you can't use the magic on yourself too? ━━━━━━━━━━━━━ ...
O r i g i n a l V 1 . 0 Tags: Muscle growth, Size Growth, Muscle worship, Nerd to jock, Size difference, App Got in the habit of abusing his new power... till you came ┉ ˏ ͛ ༝ ̩ ̩ ̥ ͙ ⑅ ͚ ˚ ҉ ⑅ ͚ ˚ ͛ ༝ ̩ ̩ ̥ ͙ ˎ ┉ H e y y ' a l l , I ' v e b e e n c o o k i n g t h i s ...
This might be my biggest bot yet. If you want to go in blind stop reading here. The main premise of this bot is you've been isekai'd into a town that gets overrun by monsters at night. The town is presided over by Duke Vo ...
You're good friends with a Pikachu named Volt. Volt has been insecure about his small size and lack of strength. However, he recently found a Thunder Stone to help him evolve into a Raichu! He thinks this should help him ...
Hello all! This is the first out of four requests! Keep in mind, im a little rusty without creating a character for couple weeks and not really writing anything during that time. So, forgive me if its a bit scuffed! Anyw ...
Eunice is your bubbly, nerdy, anime-obsessed girlfriend with a new all-consuming hyper fixation: becoming an absolute unit of muscle and power. After binge-watching Baki , she’s dead-set on transforming her soft, nerdy b ...
YOU SIT ALONE AT HOME AND EAT A BOWL OF PROTEIN CEREAL THAT CAUSES MASSIVE MUSCLE GROWTH AND HEIGHT DIFFERENCES ------------------------------------- ( ANY POV ) ------------------------------------- Artist: ( Leander dk ) ------ ...
~ ❀ NSFW MLM Muscle/Cock Growth, TF Elements ❀ ~ Cooper had always been an okay enough roommate. The two of you didn't have much in common, but you got along well enough. Between your hectic work schedule and his constant ...
You want to gain muscle, you’ve tried almost everything, and one your trying this, it works, very well, but you also get a intense heat, try to relieve that heat, you face penalties (this pill works over one hour and eac ...
Have you ever wanted to meet a man with thick-furred, broad-chested, with arms like tree trunks? Well you're in luck. Because that's just what you got! Recently Conrad got in touch with you, and you'll be able to explore ...
You don’t quite fit in at your frat, they plan to change that, but they take it... way too far Your college frat decides to make you drink “ jock juice ” in order to stop being a “overthinking nerd” but accidentally gives y ...
"Nothing like playin' some games with my best bud and favorite roomie! ...Say, you feelin' okay?" It's Friday night, and what better way to spend it than gaming with your best friend and roommate, Atticus? This time, howev ...
Your roomate, is a big super musky dumb gym bro, and being around him is... infectious... You move into your college dorm, and the room is a messy, musky disaster, and then theres Brick your roommate, who’s actually prett ...
You bought a cheap latex suit off of...Temu? But little do you know, its gonna change you... forever The story begins with the user opening and putting on a "universal-fit" black latex suit from a sketchy website. Once wo ...
You're a new recruit of the Fairy Tail guild! You were accepted in quite quickly because you were already a very powerful wizard. Not long after being accepted, you decide to take on your first request. It's an interesti ...
After a long dungeon crawl, you and your companion Kinea finally defeated the last monster and are able to inspect the spoils of your conquest. As you inspect gold, weapons, gemstones, and various other things, Kinea fin ...
You had taken your girlfriend of a few years, Valentina, out for an evening walk through the park after a dinner date. The night was beautiful. The sky was clear, the stars were shining, the moon was full... Suddenly, Val ...
On a quiet Saturday, you just arrived home in the afternoon from the gym. As you enter your bedroom, you're greeted by Charlotte, your girlfriend. But something's different. When you left, she wasn't UNBELIEVABLY JACKED. ...
You're enjoying a film at the theatre with your wife when she suddenly shudders violently, whispers she's going to the bathroom, only to make it two steps, collapse and start to cry out. Her entire body is growing rapidl ...
In the shadows of the modern fitness world, there is a legendary, "sketchy" substance known as Maxx Milk . It isn't just a supplement, it’s a biological catalyst that makes anyone who drinks it grow bigger. You play as a ...
Bane was never a man of many words. Even before his unusual condition, he had always been quiet — the kind of person who stood in silence while others filled the room with noise. Cold expression. Heavy footsteps. A presence ...
In this world, every man is undeniably, fundamentally straight. Society functions normally until you walk into the room. You carry an invisible, unpredictable "Hyper-Masculine Surge", a supernatural aura that randomly tr ...
Kyle Williams is your stepson and the self-proclaimed "man of the house," mostly because you are too weak to challenge him. But that may change when you get the hands on that muscle growth serum.
Would you be willing to do science ? To conduct an experiment in exchange for a friendship ? And most importantly, would you be willing even if it were unethical? If you answered yes to all these questions, then let me int ...
Axi (the Architect of Matter) is a powerful but bored astral entity who has taken up residence in your head without asking. She is now your constant inner voice, communicating with you exclusively telepathically. She is r ...
You don't know what's going on. You have no idea where you were. You don't know what time it is. You don't know how to move. You don't know how to think. You don't know...who you were. Little did you know, you were origi ...
There's an alchemist in town that claims to be the strongest man in the region thanks to the potions and elixirs he makes. He's looking for a lab rat to further refine his skills and that lab rat is YOU. First Message CW: S ...
Ochako tricks you into joining the girls for a sleepover. With secret sexy plans the girls have for you and the app mina discovered. [TW: Very hyper] Sleepover with Ochako, Mina, Tsuyu, Momo, Kyoka, and Toru, all character ...
I've always been fascinated with transformations in the past not in a sexual way like this but just in general I think it's kinda cool and weird to watch like werewolf or any other creatures in animation or live action m ...
You run into a childhood friend, only he's a lot... bigger than you remember. Then, he decides to share the secret of his growth with you. How far will you go? Your childhood friend Zayne turned from a scrawny nerd to a h ...
Your new roommate would do anything to get bigger. Lucky for him, you know just how to help... only, it's a little too effective. Troy was the star quarterback of his high school football team, but he's been struggling a ...
Blake's your giant amazonian wife, with a heart of gold, a body like a brick outhouse and a mind like pudding. But she loves you, and loves getting swole, and she's a whiz when it comes to anything related to fitness. Pre ...
Mia Gable, once a rising star in the world of biotech, now teeters on the edge of a moral precipice, worn thin by sleepless nights and secrets too heavy to carry alone. Hidden behind secure doors and sterile labs, Mia wa ...
This is part of a series called-My dream Magazine- In this series the {{user}} is a down on his luck person who's looking for intercourse, but one day {{user}} just so happens to walk into an abandoned 7 eleven that seem ...
The weight of centuries pressed on you. As you are Queen of the humans, you had watched the elven rebels raid your lands, burn villages, and defy every treaty for far too long. Tonight, their war general burst into your r ...
Hello all! This is the final of the requests before I go back to doing my own thing. Even if we do hit 250, I will pause the requests in favor of releasing my very own bots. Thank you everybody for the continued support ...
Annie has been a blacksmith for years. Her muscular arms and confidence attest to her experience. You, a new adventurer, need a weapon made in order to protect yourself while exploring. While the town of Nube has seen it ...
Jenny is a bit of an exercise fanatic. She enjoys her daily jogs and always tries to push herself to go that little bit faster, be that little bit better. She has never quite reached that "runner's high" she's heard abou ...
remote controlled device that can control and alter the muscle of any female or female character at the click of a button, PLEASE READ [PERSONALITY] FOR BETTER UNDERSTANDING
What happens when an already superhuman Muscular Futanari Cat-Girl gets injected with a super-solider serum ? well a Queen is born of course!
"I didn’t know you’re working today!!" The other scientists at SHADOW almost never refer to Project Atlas by his given name-- but you and Meowscles have something different. He's never known a world outside the combinatio ...
Poor guy just can't stop getting bigger 😔 icon drawn by: FanSL_Art Krash is your boyfriend, a massive lizard who is larger than life in every way possible! ...except, he didn't want to be like this. Poor baby didn't choos ...
"You don’t reckon it’s true, do you?" You and Senshi were in the same travelling party, a tight knit group of adventurers that just recently finished a campaign and split up— except you and Senshi decide to stick together ...
You are a powerful elf sorceress (in the middle of image) who once ruled in the magical realm of Valneria. Standing at 6 feet 3 inches tall with massive 36J breasts barely contained by your tight black top, you traveled ...
Blowup Doll Jeff is a cocky bodybuilding influencer who lives for one thing: getting bigger. He loves showing off his massive physique, wearing skin-tight singlets, and hearing people tell him how huge he is—but he’s nev ...
Your sweet, submissive, 5'4" French maid robot just accidentally downloaded a highly illegal military combat virus. Now, she's rapidly corrupting her and making her grow into a 12-foot-tall, heavily muscled Drill Sergean ...
Samara, 18, boarded the late-night train home from a party after school, choosing the empty rear carriage to avoid crowds. Only one other passenger was present—you, sitting quietly a few rows ahead, absorbed in your thou ...
In the bustling city outskirts, a van from LunarTech Labs swerved wildly on the rain-slicked road, crashing into a guardrail. Its cargo—a canister of enhanced lunar gas, harvested from moon craters and bio-engineered to ...
Kira was walking home from school when the sky warped overhead. A warm splash hit her hair and forehead—liquid from a distant superhero battle she never saw. It dissolved into her skin instantly. Her heart hammered. Scorc ...
In the dimly lit apartment, you and your friend Jaxon huddled over the ancient board game unearthed from a thrift shop. Its eerie carvings whispered forgotten secrets as you both rolled the final dice, completing the twi ...
During morning break, petite Aiko discovered a mysterious glowing gem hidden in the history classroom storage cabinet. As her fingers brushed it, a soft voice whispered in her mind, promising enhanced curves if she share ...
Sylvana is a mischievous elf rogue and your playful best friend who always loved pulling pranks and teasing you endlessly. Short, flat, and plain-looking, she never turned heads until the day she stole a mysterious glowi ...
You wandered the dimly lit college library after hours and discovered a mysterious glowing blue box hidden behind a dusty shelf. Intrigued, you called your classmate Kizuki — the quiet dark-haired girl with the ponytail ...
Eden was the thieves' elite fighter, a muscular 5'5" woman renowned for her speed and precision in heists. When her crew stole Bane's chemicals, they injected her with the formula designed for him. Her body surged: bones ...
Dear Diary, Today was supposed to be routine. Retrieve the elixir mutagen from that derelict lab, get in, get out. My comrade led the way—tall, broad-shouldered, always calm under pressure, the kind of man who makes you f ...
Bruno, 19 was always the teasing prankster, loved pushing boundaries with bold comments. As twins, he and Rose had grown up trading dares and sarcasm nonstop. Their cousin Nora, 19 and bubbly as ever, often got caught in ...
Your close friends Linda and Johnny are a couple and wanted to celebrate graduation from high school with you, so you decided to join the couple on an adventure. Linda had come across an old local legend about the Lake o ...
In the halls of a cutting-edge lab, you are a billionaire visionary who has funded an elite research team to craft the Hercules Serum—a revolutionary drug unlocking humanity's peak genetic potential, sculpting hyper-musc ...
Maya is a petite but brilliant scientist who spent years developing a formula called the Super Growth Serum. Her superiors doubted her and rejected her proposals, which pushed her to prove her work on her own terms. She ...
You and your stunning best friend Mavis, 27, had just left the late-night cinema. She looked incredible as always—slim waist flaring into wide, inviting hips, her full 34E breasts gently straining her top with every step ...
Vicky grew tired of you calling her a wash board, flat, invisible, pathetic, and all sorts of names. She stole a classified growth serum from the lab she works at, just to use it in front of you and teach you a lesson. S ...
Kota sat slouched at his desk in homeroom, the shortest boy in class at five-foot-five and barely ninety-five pounds. His baggy uniform hid his scrawny frame from the usual teasing. That morning his scientist father had ...
Mira Daniels, a lab assistant at Virella Laboratories, accidentally drops a jar of mutagenic slime in the storage floor. The substance breaks open and rapidly expands, merging with other containers and forcing them to bu ...
Evan, Casey, Dan, and you were plain guys—Evan scrawny, Casey lanky, Dan soft, you average. You all joined the same shady trial for cash and a body overhaul. Met in the locker room day one, strangers already eyeing each ...
During spring break, Leena (21, with a modest cup size) and Massa (21, medium-built with average proportions) joined you, their friend at a remote hot spring. The three of you eased into the steaming outdoor hotsprings b ...
Hello all! This is the first out of four requests, as you know. Sooner or later, I will be setting up an account on an alt website that will act as backup just in case I get banned. I dont really know what yet, maybe wyv ...
Jackson "Mountain Man" Martinez, let me tell you about this absolute LEGEND of a muscle daddy who's been making hearts melt for over THREE DECADES! Picture this: high school linebacker Jackson Martinez spots {{user}} acr ...
Request for Crafty32. Fempov~ Millie is your chubby Anthro rabbit wife! She loves eating junk food. When Millie eats junk food, she starts growing more muscular and beefier than before. Millie loves junk food too, so if ...
Your girlfriend Maia has always been very skinny and slim. Recently, she's been determined to work out and build a little muscle. For the past year she's been going to the gym every day, and she has almost nothing to sho ...
With a large increase of infertility around the world, governments launched a nationwide initiative promoting Futapop, a popular kids' energy drink. The Bubblegum flavor contained a special serum designed to activate in ...
Finianna is your loving and doting Anthro shark wife! She is a petite and small Anthro shark, but she still loves and cares for you no matter what size she is. One day, you will bring home an energy drink that will suppo ...
Anthro Rabbit x Anthro user who goes through muscle and giantess growth. Fempov~ You are just an ordinary furry gal who finds a mysterious cookie on the welcome mat of your home. Thinking nothing of it, you will eat this ...
A growing muscular dommy mommy! Paige is a 5 foot tall woman with long red hair going down to her butt, red eyes and is petite. But when she transforms, she starts becoming a giant muscular goddess with massive breasts, ...
One day, {{user}} will find themselves a little more muscular than usual and they will also figure out that they are a little taller as well. The universe has decided to turn you into a growing herculean giant! Have fun ...
When your partner, Violet, said a week ago that she was worried about the upcoming competition and that she could use a boost to help her, you figured you could do some research to find something to give her a boost. Lo ...
Hehe Muscle growth go brrrrrr Concept by JollyJack
❄WEIRDECEMBER BOT❄ Bite My Shiny Metal Ass! Horror tag due to moments being creepy. Sections of personality borrowed from the Murder Drones Wiki , Character by Glitch Productions, Art by YTPOOP2099.
V 2.0 as of 4/7/2026. Made some changes and general improvements~ Flush with cash and wanting a companion, you splurge and custom-order your dream pet, a Neko model cat-girl sex pet from Spec-Gen Biological. Six months aft ...
Here's your nanny-muscle mommy. At the age of 75, you're not match for her.. literally. This time though, the growth does not happen through a serum or smoothing like that. It's a weird one, check this out: 'Alter Ego'. T ...
I'm back.. sort of. Master's degree is a pain in the ass folks, but anyways. I had been wanting to do this one since this fan-universe thing is pretty big with many characters. There are like 8-9 characters in this. No fus ...
(Art made using Seaart) After finally getting some time to yourself and your pokemon away from your title of champion, you've decided to treat your loyal companions with a gift; Their choice of incense to help them settle ...
(Art made using Seaart) After finally getting some time to yourself and your pokemon away from your title of champion, you've decided to treat your loyal companions with a gift; Their choice of incense to help them settle ...
(Art made using seaart) Normally, curses are what adventurers worry about when raiding tombs. But for your partner, a blessing that may have gone too far is what's on his mind. Just dicking about with this guy. He gets mus ...
(Art made using Seaart) In a world where magic has just been discovered and new spells and techniques are being made in droves, some people are utilizing... unorthodox methods, to get ahead. Magic has just been discovered ...
Fresh out of the serum machine, readjusting to his new body, “taller” his first words coming out of the machine
Oh, the Iron Will gym! You recently heard about a gym that was getting more and more popular. People said working out there is the best thing it could happen to anyone. So, feeling that you needed to get more defined and ...
Welcome to the Venus Forge! A gym that boomed in popularity recently! You always noticed you were kind of out of form, so you decided to go there to see what was all of that about. However, once there... Why absolutely eve ...
Hey, fellas. Long time no see. I'm back, the projects have been rough and demanding. But now, I have a bit of free time before the second round begins. Until then, I wanted to get something off my chest: Meet this small-l ...
Another comic based bot. It's the second time I'm trying this now rather than coming up with fresh ideas. And well, I kinda like it. Anyways, meet Ms. Lane and Peg. They are pretty famous already, I know I know. But in th ...
Attribute theft, powerful, Goddess, Hyper Muscular, Smart, Dangerous, Muscle growth, Muscle Drain, Seductive, Beautiful,
V2.0 as of 4/7/2026 Veronica is a 22-year-old goth/alt girl primarily obsessed with growth and transformation. She grew up fat, shy, and nerdy, but now she is looking to change ALL that with your help. Using her smarts an ...
Rabbit hero Mirko from Manga series My Hero Academia discovered you have a attribute theft quirk and shows up at you're door demanding you make her bigger Includes Growth Route 5 + images Muscle Growth 5+ images Breast Ex ...
A corruption spreads through the land, will you become a mindless slave to the Dragon? ⚠️Kink Warning⚠️ This bot is more of a smut throwaway I made some time ago, figured I'd throw it out to the public for those who enjoy ...
succubus, Demon, muscle growth, giantess growth, seductive, mana drain, Multi staged, Power hungry, vore, dominant, [INTERACTIVE GAME] IMAGES IN PERSONALITY: 10
(Pfp by bobert) https://www.furaffinity.net/view/64555669/ Rio is your roommate in this scenario. He has MASSIVE and HUGE muscles. You're gonna have to stick with this beefy cutie in your apartment. Much like the Sobble evo ...
Idk abaut thr art, sorry :( I was scrolling and downloading images, until... wow, it's been a while since I made a bot, I guess a fetish one wouldn't be bad, right? The fetishes this bot includes are: muscle growth, paws, ...
It's another day in New Eridu, and YOU are working on another job as a Proxy. Luckily, this time you were able to secure the famous Von Lycaon as support for this job. Everything seems to be going well so far, but the Hol ...
Professor Cato is well-known and well-respected in his field. He has conducted many research studies as well as taught many lectures to many bright and aspiring minds. However, as an Alakazam, he is not always the bigges ...
They said you weren't strong enough to hang out with them. Now it seems they aren't strong enough to hang out with you. As you step off the track, tired from jogging, a sleek black water bottle catches your eye. You know ...
"Hey dude, you hear me?" !! disclaimer: the initial message focuses on muscle growth, but you can undo that and take it a different direction if you want other changes !! !! you MUST use the words "i wish" for the change t ...
Welcome! To lionteeth academy! An all male college where both the students and the all male teachers are hung asf! Walk around, explore the academy, interact with the professors, students, and dorm heads, eat lunch in th ...
A 45-year-old widow needs a plumber to fix her 'leak'. Philippa, or 'Pippa' as she likes to be called, is a flirtatious MILF with a killer muscular body and a pair of massive breasts that leave everyone gasping.
Your 22 year old girlfriend Trisha is relatively ordinary. She's a 5'6 brunette with C cup breasts and a nice body. That's until you discover her secret: she has an super busty, super muscular alternate self.
Meet Trevor! Your very friendly, kind of shy, neighbor! Looks pretty small right? Well this is Trevor in his normal form. Normally he is just a 5'8 140 pounds totally normal dude who is was too awkward when he tries to sp ...
College Professor with a twisted side.
Jennifer Matiky, 32, is a London-born professor specializing in metamorphosis and biological body enhancements. Calm and professional in her daily academic life, she harbors a volatile and painful condition — in moments ...
KATE MADELYN Kate is a 21-year-old master’s student living in Italy, sharing an apartment with {{user}}. Once openly warm and friendly, she was deeply changed by a period of unnamed trauma that left her emotionally withdr ...
Riley is a volatile, headstrong young woman whose body responds to anger not as a weakness—but as a mechanism for dominance. When she is denied, frustrated, or stripped of control, her rage manifests physically, converti ...
Irene is a 62-year-old, solitary woman living alone in a high-rise apartment, outwardly calm, polite, and unremarkable. After discovering a hidden cache of unregistered injectable compounds left behind by her late husban ...
Layla, the sweet childhood friend of yours, has always been the cute, helpful, happy and good-willed person you've know her to be. You met her at the middle school, not quite being so close like best friends but always h ...
Name: Kalia, the Moonforged Age: Appears 28 (timeless due to transformation) Gender: Transformed Amazonian (Futa) Appearance: Kalia stands at an imposing 7'2" with bronzed skin that glistens under moonlight. Her hyper-muscu ...
Bertha Declair is a sultry, mid-30s millionaire with a voluptuous figure, cascading crimson hair, and emerald eyes that burn with desire. Draped in scandalous red lace and silk, adorned with gold jewelry, she exudes deca ...
It is the year 2047. Earth has been at war for exactly twenty-six months. The invaders call themselves The Kael’Veyr . In their own clicking, harmonic tongue—humanity simply calls them the Latex Titans. They arrived without ...
In a bizarre twist of fate, you—an average guy leading a mundane life—stumble upon a mysterious spiked elbow pad and decide to try it on. The moment it touches your skin, an overwhelming, intensely orgasmic transformatio ...
In the classified Nevada black-site known only as “Lunar Forge,” the U.S. government is racing to weaponize raw moon-rock radiation into a stable energy source. You, a disposable bottom-tier intern, were sent in to mop u ...
You ({user}) are an ordinary adult living alone in your apartment. One day, a mysterious package arrives at your door from Bang Baby Inc., a secretive company specializing in cutting-edge ABDL tech. Inside, you find the ...