Breast Growth Stories

Read stories about the journey of self-discovery through breast growth. Witness the transformation of women as they embrace their new forms, navigating the challenges and thrills of their expanding curves.

More in Transformation

💅 Bimbo 🧠 body swap 💪 body transformation 🍈 Breast Growth 🚻 gender change 🦎 shapeshifting

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Stories (214)

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Woman's Thrift Find Grants Wild Body Wish

After a brutal breakup, a self-conscious woman finds a thrift-store lamp and wishes for the most desirable body ever—only to become a grotesquely hyper-sexualized, intersex titan with massive breasts, a huge dick, and a thick dwarf beard.

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Captains Zero-G Seduction Against Ravagers

Captain Anya Vega, a formidable leader with a unique zero-gravity mutation, uses her mesmerizing, gravity-defying breasts to distract and ensnare a hostile boarding party of Ravagers. Her plan involves turning her body into a weapon, exploiting the Ravagers' primal instincts to protect her crew and her ship. Anya's performance in zero-gravity is a dance of seduction and power, as she manipulates the Ravagers' desires to gain control over them.

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Young doctor inflates patient's breasts

By takebak1341441

RedQuill

Young doctor inflates patient's breasts

Mistaking a breast inflator for a lung tester, a doctor leaves Abby alone. As the device pumps, her chest swells violently, buttons burst, and she begs for his examination—which becomes a full, heated encounter.

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Second Hand Jeans Fucks Girl Senseless

A thrift store’s magic jeans cup her curves, then a phantom cock slides inside—stretching and pumping her toward stunned orgasms she can’t escape.

The Girl in the Mirror

An androgynous young man learns his body is slowly feminizing, his deepening bond with his best friend intensifying as their secret reshapes everything between them.

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Girlfriend becomes a busty monster!

Shy Sarah warns confident Kyle that sex transforms her body, but when he scoffs, each explosive orgasm makes her grow impossibly bigger.

Athlete's career ended with a bang

By tabuk5304

RedQuill

Athlete's career ended with a bang

A doctor corrupts an exam, pumping a teen athlete’s lungs with gas, inflating her into a curvy bimbo with massive breasts, then brutally fucking her into submission.

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Fake helth program blows up boobs

By bagakdkak1427263

RedQuill

Fake helth program blows up boobs

A villainous doctor lures three women to a fake health screening, trapping them in a machine that inflates their breasts to impossible, pleasure-inducing sizes.

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The Tome's Embrace: Demoness Draco Malfoy

I am Draco Malfoy a house Slytherin student at the University of Hogwarts school of Wizardry and Witchcraft Some call me a bully due to my mean spirit. I shouldn’t act the way I do, taking out my misery on other students. The truth is I do not feel like I have ever belonged in the body that I was born into. Back in my solo dorm room I decide to read a spell tome Bimbofication Futanarium @Male to Bimbo Futanari Transformation My body goes through a wonderful and erotic bimbo futanari tran...

Boyfriend Makes Her and Others Transform

She makes his penis grow impossibly large, then uses it to enlarge her breasts from A to J cup during slow, guided sex.

Teacher Seduced by Booby Device

By alahaim4964867

RedQuill

Teacher Seduced by Booby Device

A busty teacher catches two students plotting with a breast expansion device, gets accidentally trapped by it, and moans in desperate pleas as her buttons pop and her chest swells to gigantic size before a male student discovers her.

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The gift that makes me irresistible and more

A man with a strange gift: women drop everything to have sex with him in public, unseen, and their breasts grow with every climax.

Her amazing growing breasts!

Lianna's A-cup breasts grow a size every time she has sex with Terrance. Now a C-cup and still growing, she demands he make love to her repeatedly.

Milky playback

By marcus1326

RedQuill

Milky playback

A mad scientist laces a milk-drinking contest to expand women's breasts. A heroine must down the tainted milk herself, then forces the villain to drink too

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Black as Midnight, Red as Blood

Felicia Hardy - the Black Cat - makes a transformative discovery that will alter her life - and the lives of Peter Parker and Mary-Jane forever.

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My Breast Cream Is Alive

A woman's breast enhancement cream is a living slime that grows with her orgasms, transforming her body and desires.

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The potion went... wrong?

A college student secretly doses her boyfriend with a connection potion, then discovers her breasts swell whenever he's aroused, linking their long-distance desires.

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Sex Toy Factory Tour Goth Seduces Boss!

A 5-foot goth girl with watermelon-sized tits who lives out her Charley and The Chocolate Factory fantasy overthrows a sex toy factory promo's plans!

My Wish Made Me a Futa Bimbo

By gabrielwalley

RedQuill

My Wish Made Me a Futa Bimbo

A lonely Canadian mechanic’s shower transforms his body into a curvy, heavy-breasted bimbo futa, his new hips and sensitive flesh aching as he discovers a wet, throbbing surprise.

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Boss Lactates After Ray Gun Accident

By tabuk5304

RedQuill

Boss Lactates After Ray Gun Accident

A lonely office worker accidentally zaps his voluptuous supervisor with a ray gun, triggering her breasts to swell into massive, lactating mounds. She demands he take responsibility, leading to an all-night session of breast worship and milk-drenched sex.

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Hungry like the wolf

A bloated advanced animatronic wolf is fed leftover pizza and cake after fifteen birthday parties, swelling into a colossal blob in the Pizzaplex basement.

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Woman with expanding chest tests men

A woman with reality-warping breasts toys with a distracted suitor, escapes a gawker by shrinking to A-cups, then drives a new lover wild from B to X-cups until he blacks out.

The obedient wife breaks free

An obedient wife’s blossomed under her husband until the tides shift then she breaks free from her restrains and conquers the world.

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Gluttonous Curves: She Eats, Boobs Grow

A woman discovers every bite makes her breasts grow, and she can't stop indulging—even as strangers stare and her body transforms.

A city of bellies

In Vienna, every woman grows more pregnant each time they orgasm—and Jack, a devoted admirer, watches the impossibly swollen city waddle past him.

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Hurt, Love , and Comfort

He was hurting. She used her body to comfort him

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Lisa gets bigger breasts implants

A woman upgrades from 500cc to 1300cc implants to surprise her boob-obsessed boyfriend, but the reveal ignites a night of passion.

Fairy sized cheerleader

By daciana1222

RedQuill

Fairy sized cheerleader

A college cheerleader wakes up three inches tall on her own body and must navigate a giant world of arousal while her roommate unknowingly explores her.

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Professor and Students Transformed by Fertility Idol

Dr. Abbey and her grad students Nita & Samra are reshaped by an Aztec fertility idol, their bodies swelling with lust as they breed each other on the office floor.

Lyra receives the Goddesses gift

By chapterchaser

RedQuill

Lyra receives the Goddesses gift

A lone fairy's encounter with a psychic truffle transforms her into a milk-filled idol for a circle of worshiping dryads.

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My Girlfriend's Serum Made Her a Giant Nympho

By storyist

RedQuill

My Girlfriend's Serum Made Her a Giant Nympho

A scientist's serum transforms his petite girlfriend into a towering, insatiable nympho who takes control and fucks him into submission.

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From Cam Girl to Broodmare

A college student's secret cam show is discovered by her best friend's rancher father, who becomes her anonymous benefactor and desires her.

Island Initiation: Twelve Women Transformed

By anavel_gato2004

RedQuill

Island Initiation: Twelve Women Transformed

You’re the island owner and your twelve eager guests are changing—breasts swelling, senses igniting, fertility spiking beneath the tropical sun.

Coworker's Late Night Raygun Boost

By tuka494585

RedQuill

Coworker's Late Night Raygun Boost

A lonely office worker uses a stolen raygun from R&D on his older, insecure crush, triggering an explosive, orgasmic transformation that leaves her breathless and swollen with lust.

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CEO Catches Secretaries with Breast Expander2

By takebak1341441

RedQuill

CEO Catches Secretaries with Breast Expander2

Two rival secretaries discover a breast-expanding device and battle for their boss's attention, but their escalating sizes leave them helplessly aroused until he punishes them with a far more powerful inflation device.

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Prenatal Worship: Healing the Duchess

By gabrielwalley

RedQuill

Prenatal Worship: Healing the Duchess

A Big Beautiful Futanari doctor and her bimbo nurse tend to their pregnant Duchess, their clinical devotion deepening into worshipful love as they care for her transforming body.

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Impregnated by the Mysterious Stranger at the Wall

Strange man magically fucks a woman through her clothes against the Great Wall, flooding her with endless cum until her belly and breasts swell to bursting.

MILF's Tits Used in Lesbian Class

Bound and helpless, a busty MILF is cut out of her sweater by a woman who plans to use her magnificent tits as a live lesson for a class on breast worship and orgasm.

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Magical Sex Battle and Wild Transformations!

Sucking her nipple shrinks him to six inches, then she slides him into her wet cunt—his growing and shrinking triggers orgasms that swell her breasts.

The Billionaire's Nanny

By unimaginative_name_here

RedQuill

The Billionaire's Nanny

A poor nanny's body transforms with mysterious lactation, and her billionaire boss is eager to help relieve her swollen breasts.

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My Magic Uncontrolled Cum-Filled Boob Job

A flat-chested woman visits a mysterious shop where a handsome man's orgasm can grow her breasts, but the experience is more far than they expect!

When Magical Wish Fulfillment Escalates

A man gets his wish for competitive polyamory as dozens of women fight to fuck him, escalating until he’s smothered by a lover whose tits grow past city-block size, then a friend’s endless cock becomes a mile-long traffic hazard.

Best Friend Breaks Beauty Queen

By vvvvvvb

RedQuill

Best Friend Breaks Beauty Queen

Kidnapped by her best friend, a university beauty queen is force-fed body-altering food, then trained to embrace her grotesque new form for public humiliation.

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Shoplifter blown up by a security guard

By tuka494585

RedQuill

Shoplifter blown up by a security guard

A female shoplifter, caught by a male security guard, offers sexual favors to avoid police. He agrees, then forces an air hose into her mouth, inflating her breasts and ass to massive proportions before roughly fucking her as she continues to swell.

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Ghostly Growth -- A Broader Horizons Story

By midnights_manifest

RedQuill

Ghostly Growth -- A Broader Horizons Story

A shy challenger, a ghostly woman growing her body by candlelight, her spectral hand & slow growth seduce him into surrender and a lasting binding.

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Lifeguards Get Stuck Inflating

By takebak1341441

RedQuill

Lifeguards Get Stuck Inflating

Two young lifeguards in a beach shack joke about using a stray air hose to get attention, but when one jams it inside them both and the valve sticks, their curves swell past control as their swimsuits strain to bursting.

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Desperate Tenant Confesses to Landlord

A broke femboy student rents a room from a lawyer for $100 a month, sparking a slow-burn attraction that leads to a confession of confused desire.

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Dumb Cow's Contract

By xxx_zeen_xxx

RedQuill

Dumb Cow's Contract

A D-student with massive tits signs permanent contracts to enter a lab program, trading her mind for docility and pumped full of chemicals to become a premium milk-producing hucow for her parents' profit.

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