Call it an AU or maybe just a "What If?".  What if Spock gets promoted off the Enterprise in the midst of the first five-year mission?

(The Road Not Taken #1)

"Why do you say walker or human as though you yourself are not one?" Squinting his eyes and peering up at Spock, the human, or now creature simply raised his tail-fin towards Spock, and stared at him as though he were daft. Later Spock would blame the darkness despite his Vulcan sight, from what he saw. "I must be suffering from an illogical hallucination.

I needed a (mildly) kinky break from Mpreg. With my thanks to Biddygirl, whose piece "Private Tutoring" gave me the idea for this spicy treat.

Based off a from the ST Kink Meme at LJ.
Basically the prompt is that teenage Jim has somehow become a girl, and while a girl he meets Spock and the two get intimate. Which of course leads to Jim becoming pregnant. So this is the story of Jim and Spock’s first meeting and the miracle that sprung from it.

notice: This story is going under revision as of 22 July, 2014. There will be new chapters added and some content in various chapters will be changed. This version will stay as is. So to read the updated version please see the fic under the name Rewrite: A Trick of Eros.

This is a response to the challenge by Arcardii, A World of Difference, if you haven't guessed. It's a work in progress, the idea being that Spock grows up on Earth, rather than Vulcan, and the differences that makes.

Just a little romance. Nothing too serious

Kirk and Spock explore their feelings for each other (mostly by trying to repress or deny them) during the events of TOS and slightly beyond. This is my take on TOS from a K/S POV.

Sequel to All Along: Fortune. Despite his growing bond with Spock, Jim feels alone in life. The challenges he faces with his mother and Tarsus only seem to confirm this. Can Spock show him how wrong he is?

ksbigbang story. girl!Kirk.

While working at the Starfleet Academy science labs Spock is exposed to an unknown gas. Soon after he begins to have dreams where he is growing up on a farm somewhere in America. The dreams lead him to a woman named Jane Kirk and he discovers those dreams are her memories. {Involves: academy era, genderchange, accidental bonding}