Size Difference Writing Prompts

He was really tired of everyone saying he was only with his goblin girlfriend so he could use her as a cock sleeve. Was it so hard to accept that he wanted a loving and wholesome relationship with his green shortstack, and that the cock sleeve bit was just bonus?

Orc women just love human men. Usually it's because they can ruin their bravado with their incomparable strength, but it's also plenty of fun for them to spoil a nice young man who likes being used by a big, strong woman. And for one human mage, it's his turn to see what all the fuss is about.

You are a dildo tester for a company that makes outrageous monster dildos. So many have been shoved up your pussy, ass, and mouth, that they decide to promote you. You will now test….the monsters they model the dildos off of!?

When a witch completed an incubus summoning ritual, requesting a kind incubus who could breed her hard, she didn't expect to summon the cute shy nerd that she always enjoyed ogling in class nor how well endowed he was.

Secretly having a Genie living in his cock had it's upsides, like an unlimited amount of wishes pretty much on demand for example. The only problem was that said genie was constantly making his cock bigger so "She had more room", and his girlfriend was beginning to notice the difference.

You didn’t believe the cosplay machine could turn you into any character. As a joke, you requested to turn into the bustiest video game character you could think of. Little did you know the machine also adjusts you to match the character's libido.

The mating season had just begun for the large Amazonian tribe, and since it was nothing but females, men were in high demand. Hopefully no one ‘accidentally’ gets captured by one of those tall, muscular women~ ... Wait, what do you mean I’m not allowed to leave?

When a tomboy joked that if her friend bought her the gene mod for giant tits, she'd let him play with them as much as he wanted, dhe didn't realize he'd take her up on it...

Attention visitors. Several aggressively affectionate monster girls have broken out of their pens and are now rampaging and cuddling through the zoo. Please remain calm, and if a stacked monster mommy approaches do NOT try to run from us... I mean them.

“Hmm…you’ll make a good husband.” Startled by the voice, you turn around to see a voluptuous, muscly, and completely naked woman standing behind you. “Your coming with me!” She says as she easily picks you up and whisks you away.

When she found out her friend had never really been able to have sex because he was "just too big", she decided to reveal to him that she was a bit of a size queen, and that she felt her mouth and her pussy might be up to the challenge...

A woman gains the ability to detect and change the penis size of any man around her. While initially try to be a robin hood like figure, growing good guys and shrinking jerks, she slowly become a size queen as she begins growing the cock's of every man she meets.

An unsatisfied size queen is transported to a fantasy world where her particular set of skills can be put to the test.

By alien standards, humans are hot as fuck. And it is a pleasure to get busy with any one of us.

She had been getting bustier everyday, ever since she started working at the shake shop, not least of all because of the unlimited employee shakes. However, she'd been getting hornier too...

It turns out that pixies are really into risky public sex. Their tiny size and magic just make it easier for them to get away with it!

"DON'T CALL ME YOUR PIXIE GIRLFRIEND!" "Hun, you're a foot tall with wings that leave a trail of magic dust behind you, they're gonna know." "Yeah, but I ride your human cock like a bad bitch and that's how I want you to introduce me."

You fought the monstrous beast, and you lost. You braced for death as it descended on you, only to be surprised by an affectionate nuzzle and careful embrace.

An alien diplomat finds herself waking from a crash landing, and boots inches from her face. Towering before her is a stranger, easily 7' tall and clad in heavy combat armor from head to toe - wordlessly offering his hand.

As the favourite mortal of the goddess of love and fertility, she is quite "fond" of you. Now she is taking the relationship to the next level.

She felt his dick travel further and further down her throat as she continued to suck, felt his balls grow larger and heavier as she fondled them, watched as his fat burned away to pure muscle as he grew even taller then before. A true gentleman like him deserved this, God she loved magic.

She's an elf. He's an orc. She's tiny. He's huge. She loves being tossed around, smacked, pounded and called names. He loves kisses, cuddles and hand-holding. How do they make it work?

Her boyfriend is a werewolf, and yet they somehow never had sex during a full moon, she was a bit curious how it would feel. With a Full Moon on the way, the Tomboy was wondering if she should try pitching the idea to him.

He was short, cute, and oh so sweet that you just HAD to make him your boyfriend! You had always been a dom and thought that wouldn’t change…until you realized two things: first he was hiding a gigantic cock. Second when he gets horny he becomes a very different person…

The Amazonian preserve was off-limits to men. Even scientists studying the preserve had to dress in drag lest they get abducted and dominated. Jokes on them, the Amazonians are into that...

Time to go to the Monster Slave market. There’s a girl there for every desire. Just choose wisely, they’re still monsters after all.

Amazons are appearing in the modern age, invading dating apps and abducting the people that answer. Nobody has reported anything to the authorities.

The intergalactic community view humans as space orcs. Turns out that it’s a huge turn on for a lot of the sentient races. It’s both a blessing and a curse as many aliens would antagonize humans in the hopes that they’ll retaliate in a lewd way. Humanity continue to expand, but at what cost?

The alien invasion has come, we lost. Now humanity fills the brothels and fuck doll shops of the Galaxy. We still have our disagreements but we can all agree that this is the greatest thing that could have ever happened to us.

A dragon lord kidnaps an elven princess, to ravish her. They're actually quite good friends... Not that that would stop the ravishment...