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

Take up the Identity of a victim of the shrinking virus, an epidemic to the world

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

A mysterious resort on a pacific island, full of transformation.

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?

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

A tiny man and his giant, buxom girlfriend get ready for a pool party.

A story in the Harry Potter world involving insertion and unaware giantesses.

A busty woman decides to turn several tiny men into her "good luck charms" by stuffing them into her clothing.

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.

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)

You wake up to find yourself an inch tall and all you can remember is last night's party. A restoration of Tinyman0001's first work.

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

A hunter encounters the giant Lady of the Trees.

【Chinese text】在上完早上第一节法术课之后，正准备收拾东西下课的你昏了过去。醒来之后，自己居然缩小了！