‘breast expansion’ stories

Silfr finally lets Percy have sex with her...with a catch.

Big changes.

A deviant finds a simple but powerful version of Master PC.

Explore Emily Burrow an erotic rural sexual dystopia.

John has to pay back the farm's debts somehow.

Willing & helpless sexbot grows her tits, gets gangbanged.

Lena and her teacher are transformed by voodoo dolls.

A magic mind-control collar is found.

A family in isolation changes when the sexpocalypse begins.

A gorgeous, vain woman receives heavy karmic punishment.

Jessica expands her world to include her hyper friend Monica.

Earning a spot in an elite MMORPG party requires... changes.

Ashe is held captive by the Lady of Lust.

Nanobots transform a woman into a tall, curvy genius.

A set of artifacts are used to enslave women.

New World Order, Shrinking Virus, Big Woman, Small Man.

Couple expands wife with cum, bursts with milk, and more.

Emily 8 waits for Chris in a neon arcade of horror and sex.

Jessica, a hyper futa, decides to tempt fate at the mall.

Kinetica collects another heroine for Zane to enhance.

Jessica lives the highlife, but at what cost?

James and Sam explore more as women.

James' friend Sam comes over.

Why are Selena's boobs growing so much?

All it takes is one song to change us in more ways then one.

Married couple goes out, wife's tits grow in front of all.

James visits Emma. More swaps ensue...

James goes to the mall.

The Pink continues to grow its influence.

James finds a trait swapping device.

Copy after copy of Emily is put through erotic humilations.

More testing and upgrades leads to sexy fun in the library.

Married couple enlarges their tits and dick to unreal sizes.

Radiana tests unknown tech on her robot—horny chaos ensues.

Grayson gets influenced by the Pink.

Marie goes back to class for the first time.

How I learned the importance of commenting on stories.

Galadriel is captured and bimbofied, hot orc on elf action.

The Pink expands its’ influence.

Trapped in a sleazy 1980's Bikini movie.

An elf's tits grow whene exposed to magic. She fucks a human.

It's Mary's turn to experience transformative pleasure.

Huge tit addict Adam spends a night with his busty crush.

Genie magic changes how Olivia faces her small-town past.

Genie magic changes how Olivia faces her small town past.

A game of wild transformations & group sex.

Visiting Jasmine and ancient ruins - what could go wrong?

A married couple experience a whole new way to have sex.

Betsy gets introduced to the sweet girl hucow farm.

Practice meditation for personal growth!

Continuation of the story.

The explosive climax of Darren and Olivia's story.

Faith needs to find work after being made redundant.

Beth is measured for an undergarment.

Sienna was bred in an unusual manner.

Jessica's breasts get larger when she gets pregnant.

A wizard's new familiar is definitely just an imp.

A story of swelling proportions with some breeding kink.

Josh’s theatre troupe finds themselves experiencing changes.

Bunny ears. Big boobs. Brainwashed. The customers love her!

A bizarre virus perverts a family's camping trip.

Two couples play an unusual board game.

Madison U's theatre department is dosed with Do-Me dust.

Amy sets out to break a story that will change her career.

The Bimbo magic spreads its’ influence.

Drake grows up in a special academy with Amazon-ussbbws!

Clit injections, merciless stretching, and a chastity belt.

Sam’s reality gets turned upside down.

Woman's desperate attempt at conceiving with massive results.

Sam lives in a Bimbo paradise, but something seems off.

Dr Fairbridge pushes me harder.

A bizarre virus perverts a family's camping trip.

Unexpectedly stretched, pumped and forced to orgasm.

Japanese girl's breasts are grown to the size of moons

Continuation of the story.

Hung futanari trio face wild urges in the Moaning Caverns.

Trying a new Cafe for their anniversary leads to some growth.

It's late at night in the study hall of the magical academy.

A late wedding gift leads to a BIG honeymoon.

A bizarre virus perverts a family's camping trip.

Nanobots transform a woman into a tall, curvy genius.

Nanobots transform a woman into a tall, curvy genius.

A college town faces a sexually-charged industrial accident.

Familiarization with Greta.

There can only be one.

Young girl reconsiders career paths via booze.

Milky expansion in the pool!

A drop of the Potion helps Saffron put out for her boyfriend.

Lynn tries a strange device to grow her breasts...

Jenny turns the tables on her boss Amanda...

Brooke sleeps, dreams, and transforms.

A lesbian girl gets sold as a hucow!

A prize from an arcade machine changes two co-eds.

A growth serum spill causes some big changes.

Her friend swore it was true!

Deirdre learns more about the brotherhood of milkmen.

A man stuck in an elevator with a girl with an unusual body.

A buxom peach dryad's grove discusses her punishment.

Brooke is the first of her kind but she won't be the last.

Max turns Ann into a shortstack maid obsessed with his scent.