‘muscle growth’ stories

Tiffany receives a magical toe ring from her girlfriend.

Sexual monster montage, followed by...

The family is under attack!

Corporate wish-making can be a hazardous business.

The Hornettes are dragged into the nightmare.

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

A natural bodybuilder is tired of being clean.

Huchingson volunteers to be Sylvia's test subject.

Josie and Charlie are tingling, and growing even more.

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

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

A schmuck from another dimension becomes a super hero!

A taboo fitness queen conquest and breeding remix.

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

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

Max and Kelly have their sleepover.

An underachieving stoner transforms into a barbarian warlord.

Eli continues his training under the musclebound gym god.

A friend starts working out.

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

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

Former friend. An impossible growth spurt. Muscle domination.

Strength, Domination, Growth, and Love.

Jenny discovers Laura's penchant for imitation...

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

Lt. Gallo attempts to regain control of the ship.

Aaron North finds out he is special.

A bet leads to an old friend.

Using an ancient rite, a girl becomes a goddess.

My girlfriend goddess tries something different.

Max and Gwen start to bend the rules.

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

Kimiko and Ai go hard to complete the mission.

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

Max and Gwen make new 'rules'.

A taboo fitness queen conquest and breeding remix.

Jennifer & Sam dive deeper into their sexy game.

Gina and Luca are about to experience their wildest summer.

The epic conclusion! That's not just ANY dildo, it's DADDY'S.

Giving my roommate an unconvential, natural, workout drink.

Max and Kelly enjoy their Saturday.

Musclebound god puts a gym noobie through his paces.

One beautiful thought ignites Christina's flame once more.

Rapi conquers her past grudge. A true giantess is born.

Jen discovers Sam's secret desire.

A villainess gives her new henchman an 'upgrade'.

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

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

Abducted on an Alien Spaceship, captives are transformed.

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

On burning bras and growing orcs.

Max and Gwen go bra shopping.

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

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

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

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

Things start to change, in more ways than one!

A Happy End To Their Freshman Year.

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

New ambitions cause Eula to grow into a lusting giantess.

Jackie and Kate play a transformative card game.

Her growing transformation leads to confrontations.

Developments, downsides, and betrayals!

Privaty is the first to be afflicted by Rapi's "corruption".

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

Edan is showing interest in Alex...

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

Poor behaviour means Shelly has to man up.

Amanda Vett asks her Uncle Eddy for larger breasts.

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

That's not just ANY dildo, it's DADDY'S.

Submissive wife switches, uses blessed cream to edge husband.

Alex assisting Jason arises suspicion.

That's not just ANY dildo, it's DADDY'S.

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

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

A bike courier is changed.

A woman realizes her deep desire to be submissive.

A voyeur has an extraordinary day at an unusual beach.

Alex seeks the help of the Therians.

Jason's secrets are revealed.

Dre Changed A Lot More Than Mike Expected!

Alex has a chance encounter with a strange and handsome man.

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

He should have double checked before he took that underwear.

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

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

Andrew makes a decision, and worlds collide.

A genderfluid girl becomes an orc from an energy drink.

A new friendship develops into something more...

A stranger teaches some people to respect books.

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

A sexual tension develops between Alex and Jason.

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

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

Five college students are changed by a magic board game.

Sometimes 'good' isn't good enough.

Spiteful woman receives power to transform those around her.

Carroll Vett comes across a strange device.

Wishing fountains sometimes do grant wishes.