You're a dimensional traveler, able to open portals to other universes and dimensions.

A human mage decided to go inside of our favorites ponies!

A stowaway sells off the pirate crew he worked on to the cold mistress that is the captain of the merchant marine. Though he helped capture the pesky privateers, he's still not innocent. Captain Ice Cookie has a lot of ideas for what to do with him, but one thing's for sure: he'll always be beneath her.

A small boy, one of many, trying to live as best he can under the giantesses of the world. (copied from writing.com)

Angering a powerful witch, an adventurer ends up shrunk to lilliputian size! Where would they go from here?

A clueless robot maid dominates her shrunken master.

Inchling adventurer, Mathias "Dagger-Thorn," ventures into the city to pick up a commissioned order.

The story is based on the story "The Frogs Who Desired a King". A man wished he had a queen to guide him so he asked the god Zeus to help him. At first Zeus was reluctant but he eventually agrees to grant him his wish

An ambitious Sith apprentice has been dispatched to a remote planet to hunt down a powerful, yet reclusive Jedi Master. Her strange abilities, however, end up cutting his ego down to size.

The story takes place in the same world as my Alpha-Beta series found here. https://giantessworld.net/viewseries.php?seriesid=9412

A short story about a tiny whose at the mercy to the whims of a couple.

As the title suggests, a king is abducted by a massive alien, perhaps 200ft/30m tall (who the people think is either a demoness or a Goddess). Then we are introduced to the alien's friend and they do some lewd stuff. The story could be part of a larger series - we'll see.

A series of vignettes about micro-sized humans and the fantasy races that abuse them.

Sammy, born into a world of tiny men and giant women, is a hopeless pervert.

You are a failed knight hailing from the Kingdom of Drakonia. With your position in the royal court toughly destroyed thanks to the clever maneuvering of the Rosewood Dynasty, you decide to embark on a quest to acquire a harem. And by harem, I do mean the type used as a political tool. That being said, nobody said you can't have fun on your journey.

A fantasy world, where anything goes.

A "Giantess/Endo" story centered around the Princess of Friendship (PLEASE ADD)

On where all kind of portals are involved and you go nuts with it.

A hunter encounters the giant Lady of the Trees.

In the central valley of California, there's a blue-sky laboratory running experiments that might one day change the world. One scientist in particular, Dr. Angela Grant, is on the verge of a break-through. Let's visit her lab and see what's in her workshop . . .