Size Difference Writing Prompts

You're a Boob whisperer, able to psychically command women's breast to to anything you want. You've always used it to give your girlfriends "growth spurts" in the past, but you never thought about trying to make money with your power...

“Hehe I’m a tomboy! Nobody will realize I’m a girl!” Your topless tomboy friend says. Not realizing that the tomboy in her doesn’t hide her EEE cup breasts.

The lumberjack should have taken the warning to leave the dark forest alone more seriously. Now an enraged tree-man has the man pinned as it vengefully penetrates him with its own "wood".

When puberty found her it hit her like a truck, and it hasn't stopped to this day. The only way she's found to stop herself from getting bigger still is to magically divert her growth to the women around her.

Fun fact about dragons, they can impregnate just about anything. Not so much a fun fact for any knights who learn firsthand.

She'd bullied him for years, but he'd started having some... impressive growth spurts recently. Each day a bit taller, more muscular, and it was impossible to hide how big his junk was getting now. He was still to much of a wimp to try fight back against her, but god did she wish he would...

While an astronaut is out on a spacewalk to investigate an asteroid mineral deposit, something starts moving around in her spacesuit, and its horny.

People always seem so surprised that the bookish, geeky young man is a MUCH shorter species than his hot buxom girlfriend. She has almost freakish physical strength, too. Some wonder just what she sees in him, and what he sees in her.

What happens when you wake up with the ability to change your cock? That is it's size, shape, texture and taste!... Oh and also your SO is a total closet freak and is into weird shit.

First contact with the aliens was getting more and more dire. Despite the diplomat's best efforts the aliens seemed to get more troubled as time went on. Finally, the extraterrestrial punched into the translator "Why have we not mated yet?!"

You are the tester for bad dragons most outrageous and gigantic monster dildos. So good were you at taking gigantic plastic cock. That they promoted you to be the tester for the monsters they model the dildos off of.

He was very self conscious about his cock. Mainly because it was so small, so he never tried to Hehe sex. However when he hits it off with a girl and goes back to her place, he figures out he is the ultimate “grower not shower”

When you rubbed the lamp, not only were you surprised that a genie popped out, you were shocked that she was a beautiful big-breasted ditzy bimbo

An elf girl and a goblin end up as apprentices to a crazy inventor, with very lewd results...

Your roommate is a hulking demon, a former warlord with millennia of combat experience, and the picture of menace and brutality. You find them outside your bedroom, a bouquet of flowers in one hand and a box of chocolate in the other.

The goddess of fertility used to punish sinners by sitting on them with her fat juicy ass. She can’t seem to understand why this in the 21st century seem to want her punishment!?

No one knew this new brand of "one size fits all" sports bra would cause the wearer to slowly grow to continuously bustier while wearing it. Yes this based on the sports bra meme going around.

Word was that she make a guy so horny that his dick would be permanently bigger afterwards. When it proved to be true, women begin to proposition her to sleep with their boyfriends and husbands to grow them larger... sometimes multiple times.

While in a rush, your Girlfriend buys lube that's supposed to grow the penis. Neither of you notice until you start growing inside of her.

Cowgirl milk is well known for its figure enhancing effects on girls. One cowgirl takes special pride in making sure that all her friends "fill out"...

You, a changeling, made the mistake of soloing a dungeon. You stare in disbelief at the slime girl straddling the 14 feet Marble Golem. Wait why does a golem have a functioning dick?!

Reality is changed, and women's breasts now have RPG Levels, with leveling up causing them to grow larger. But the weirdest thing is you seem to be the only one to notice the the growth as it happens, and the only one able to see and interact with the UI and apply earned perks.

"Not again..." she moaned as she jumped up and down in another set of too small tights, before adding them to the growing-by-the-hour pile of bras, panties, tops and bottoms that was going to goodwill. "...I'm not even thirty, how can I possibly have caught the MILF Flu?"

A minotaur has a crush on an elf, not realizing she's actually a bit of a size queen...

She's the boss of the office with the girl boss attitude as she runs her male secretary ragged, but behind closed doors when it's just the two of them she's on her knees with 8 of his 16" cock deep in her throat as she worships it & her master, and nothing else makes her cum harder than that.

Your roommate is a hulking demon, a former warlord with millennia of combat experience, and the picture of menace and brutality. Apparently, they were under the impression that you've been flirting with them "with the subtlety of a volcano" and you have NO idea how.

A busty punk goblin girl proposes a simple trade offer. She receives: food, shelter, a bed, attention, and head pats. You receive: Booba

A small town’s patron god is the god of beauty. Whever he stops by to accept his yearly offering, he always stops by the bar to flirt with the stubborn barkeep.

"Oh no! I've fallen and twisted my ankle. I'm totally helpless. It sure would be bad if a gang of big, muscly orcs found me. Why, I wouldn't be able to do a thing to stop them!"

Marrying a literal angel was shocking enough, what you didn't expect was that every ounce of love and affection you gave her just makes her curvier and sexier. It had gotten to the point of a simple peck on the cheek making her pop shirt buttons... and both of you are loving it!