‘size difference’ stories

Eric discovers the secret side of his grandfather

My friend's father takes me home the long way.

Bi-curious guy gets his man-card permanently revoked by bull.

Adam wanted the son and the father wanted him.

Muscled Futa Auntie wants to widen his sweet asshole.

Marcus offers to let husband see what his wife will get.

Girl swaps boyfriend's baby-carrot for Futa's monster-dong.

Bigger Is Better.

A voluntary sacrifice meets an unexpected end.

Ashley is ready to start his new life in the big city.

Mechanized warfare in an alien desert, catgirls in leather.

Twink interviews a Trans Adult model, but she takes control.

Futa centaur lewdly cum inflates otterkin girls.

A college student makes a deal with a demon to get pregnant.

Brad makes a new friend and gets discovered in the process.

Matt hits it off with a biker, but she has a dark secret.

She's tiny. He's huge. It would never work.

Seeing his son with other men excited him.

A lawyer accepts a job as ambassador to an alien planet.

Snooping teen gets caught being naughty.

A boy is given away as a bride to his Father's coworker.

Rain and Opal fuck!

A ritual gone wrong leads to an unwanted bond.

Contact is made with a new Borealan territory.

He woke one day tied to an odd post in the wilderness.

A UNN fleet makes contact with a new alien species.

A young man hires a beast of a contractor.

An after graduation pep talk becomes more than inspiration.

A young trade makes a bad deal with a shemale giantess...

Straight guy discovers the pleasures of being a sissy.

Petite redhead changes a man's perspective.

A young bodybuilder surrenders to old bullies at the gym.

Teen hitchhiker's senior citizen friend wants him this way.

Hiking buddy's domination continues.

Young man comes of age with the help of a kind stranger.

The Point of No Return.

Captured by a band of female Orcs, his fate is uncertain.

A poor apprentice is captured by the mysterious amazons.

Old college rival doles out a beat down and a dicking down.

Jessica ploughed his ass and now she's back for more.

Werewolf monster, eat and grow and fuck.

A desperate young man seeks a friend.

Crossdressing boss forces Sam to take a ride on his lap.

A petite size queen's big dreams come true...

A farmer's son encounters an Oni in the forest.

A college asshole gets fucked until he likes it.

A centaur who grows and cum inflates monster/fantasy girls.

A great summer job with an incredible boss.

An amazonian futa and a quiet boy learn to love each other.

She's delivering her biggest package between his legs.

A stranded human and a mysterious alien must cross a desert.

7'8" hermaphrodite Ellen inadvertently feminizes her servant.

This isn't how fairy tales tend to go.

Opal gets in trouble.

Jake is in Tanya's clutches, and she won't let him go.

Transformed into a submissive nub-boy.

A timid human femboy gets rescued by a massive, shemale orc.

Observant neighbor discovers his interest was noticed.

To win Olivia back, he must take Roselyn's cock...

After his wife passed the senior found himself adopted.

Big Dicked gym owner fucks small dicked bodybuilder.

When your potion is far more effective than you guessed...

A human and an alien embark on a mission to have a baby.

An alien raised on Earth has a romance with her human friend.

A recruit must learn to cooperate as he trains with aliens.

Snake eater.

Amy's a 7-foot Amazon futa, but wants to try being small.

An alien soldier is forced upon a chronic bachelor (X-COM).

A recon mission in the Kruger system goes badly wrong.

She's tiny. He's huge. Now the roommate wants him.

An alien vows to seduce a surly man by any means necessary.

... doesn't necessarily stay in Saratoga.

A professor blackmails and fucks a bitchy student.

Victor will get what he is owed.

When Ryan hits rock bottom he turns to the occult for help.

A human shuttle pilot tames an alien warrior.

Young rival quarterback cements his dominance.

Shut-in teen's odd fascination with the burly black daddy.

A freighter pilot must fight for his life against pirates.

Jake a huge jock meets his well-hung twink college roommate.

Ted and Jeremy get better acquainted.

Their girlfriends cheated on them. So they decided to fuck.

The UNN and the Bugs battle over the control of a planet.

The gym's personal trainer really stretches me out.

A grizzled mercenary sets out to claim a dragon's treasure.

A merchant leaves his daughter in the custody of aliens.

Friend comes to me looking for threesome partner.

A demoness overlord wants her already large pet to be bigger.

Sex, drugs, and brave new vows.

His wife straps him down and gives him to a hung neighbour.

I might have forgotten to take my birth control pills...

A lesbian couple buy a game that syncs appearance w/ avatar.

War made them enemies, circumstance will make them allies.

Catherine ponders the motives of her captor.

A murder mystery and an alien romance.

A spy is sent to a remote colony to investigate a crime.

A recruit and an alien must learn to cooperate.

Fey the centaur fucks her team for desperate relief.

When growing becomes a dominating obsession...

An adventurer finds safe haven.