‘muscle growth’ stories

Five college students are changed by a magic board game.

A succubus on the hunt gets more than she can handle!

Giving my roommate an unconvential, natural, workout drink.

Using an ancient rite, a girl becomes a goddess.

Nerd activates gene bestowing muscles (and a huge cock).

A woman's costume concept turns out to have its own ideas.

Man's sperm becomes sentient, and it loves him.

A well meaning step-dad gets some mysterious pills.

Amanda Vett asks her Uncle Eddy for larger breasts.

Wishing fountains sometimes do grant wishes.

David and Elizabeth are taken in a raid by futa Amazons.

Anya decides to explore the app a little more with Kacey...

A friend starts working out.

Aaron North finds out he is special.

A taboo fitness queen conquest and breeding remix.

A bored stranger plays a game with a couple in a mall.

A man is made a lot better, and so are the people around him.

Anna and her mom have a strange, changing game to play.

A taboo fitness queen conquest and breeding remix.

A muscle stud lover finds the strength god of her dreams.

Submissive wife switches, uses blessed cream to edge husband.

How to improve on a transformation game? An expansion pack!

First journal entry: We've been handling lycanthrope wrong.

Musclebound god puts a gym noobie through his paces.

An underachieving stoner transforms into a barbarian warlord.

Former friend. An impossible growth spurt. Muscle domination.

David and Liz are coping with new parts and new instincts.

A stranger teaches some people to respect books.

Nellie is infected by a growing disease. Nick is happy.

Two friends take a vacation to visit Dracula's homeland.

Who else will find out about Alex's special protein?

Julie gets bigger, sluttier and dominant.

Poor behaviour means Shelly has to man up.

Alli's sister Lily and her two friends find the game Choose.

Lt. Gallo attempts to regain control of the ship.

Things start to change, in more ways than one!

A boy wakes up as a hunk, hot enough for his crush.

Corporate wish-making can be a hazardous business.

A superhero finds himself between a two stretchy ladies...

A Wonder Woman fan meets Aphrodite & is transformed by her.

Skyler's boyfriend got him some presents with room to grow.

Developments, downsides, and betrayals!

A bike courier is changed.

Carroll Vett comes across a strange device.

Abducted on an Alien Spaceship, captives are transformed.

A faerie's game of words leads to a swelling development.

A Maharaja's daughter loves a brawny Christian Knight.

Max and Gwen go bra shopping.

Max and Gwen make new 'rules'.

Max and Kelly enjoy their Saturday.

My girlfriend goddess tries something different.

Jackie and Kate play a transformative card game.

Mike Challenges His Girlfriend To Put On 15 Pounds Of Muscle.

Confronting an Incubus, Laizen's life is forever changed.

Unspoken desires intertwine and a couple's dynamic changes.

Yvette isn't normal, and neither is her story... at all.

Max and Gwen start to bend the rules.

A scientist makes a mistake and grows as she becomes enraged.

A bet leads to an old friend.

Our heroes discover a possible cure, but is it too late?

Strength, Domination, Growth, and Love.

He thought he could get away with stealing from his boss.

The Hornettes are dragged into the nightmare.

Eli continues his training under the musclebound gym god.

Gina and Luca are about to experience their wildest summer.

A spell goes wrong as a mage transforms...

Christina's bond with her coach grows stronger...

An accident leads to interesting hybrid transformation...

Dennis Vett shows a big, metal door who's boss.

They transform into each other's desires. Mindy fights it.

Max and Kelly have their sleepover.

A villainess gives her new henchman an 'upgrade'.

New ambitions cause Eula to grow into a lusting giantess.

Last after a week the girls get back to finish the game.

Jennifer & Sam dive deeper into their sexy game.

He starts receiving messages from a caller he can't ignore.

The scientist transforming into an orc-woman...

A schmuck from another dimension becomes a super hero!

Unaware wishes cause growth, Anis becomes a Mega-Giantess.

A voyeur has an extraordinary day at an unusual beach.

A woman transforms into an anthro jaguar...

He goes for a new wardrobe, but gets so much more.

Jenny discovers Laura's penchant for imitation...

Tammy gets a surprise for muscular, meaty Joy...

A natural bodybuilder is tired of being clean.

He never thought he'd be this kind of influencer.

It's his birthday, but they both get a present.

Gary the Incubus is summoned to help sadsack Zach get laid.

Josie and Charlie are tingling, and growing even more.

The Doctor grows his finest creation.

He goes for a swim and his life goes in a new direction.

A trip to the gay bar sets two friends on the right course.

A bad night on the job leads to a new position in life.

Sexual monster montage, followed by...

Don't mess with jack o'lanterns on Halloween.

A woman realizes her deep desire to be submissive.

Her first growth, finding new friends.

June discovers another person who shares her self-admiration.

He wanders into the wrong bar and into the right life.

He checks out a book and becomes the subject of the story.