Star Trek Fic Finder

Hello everyone! Mostly what it says on the label, I'm looking for a Reboot-verse Kirk/Spock story, that came out before ST:ID, about Kirk learning that Spock has suffered some sort of rejection at Christmas, though I don't remember if it was Uhura, Sarek, or New Vulcan Colony related, and seized upon the 12 days of Christmas as inspiration for showing Spock some appreciation. It goes from friends-to-lovers, as Kirk gets more invested with the gifts. Being on a star ship, Kirk isn't giving out livestock and folkloric dance, but rather gifts related to the symbolism behind the original 12 gifts. I would greatly appreciate any help that leads to the identity or location of this story. Happy holidays to all; live long and prosper.

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The story has been identified, with many thanks to runpunkrun, as Definite and Unapologetic, by whochick!
The kind synia09 has also found for me We Need a Little Christmas, by Carleen, which is much the same prompt, but written from Spock's side. I highly recommend it.
Also, I myself found The Gift of Home, by creampuffer, another spin on the prompt.
These stories are available on the Archive of Our Own, under these titles, by these authors, in case there is any trouble with the links. Its worth a look through the tags there for Kirk/Spock, Advent Calendar for more Christmas/Holiday theme stories.
Many thanks again to runpunkrun, and synia09, for their helpful replies.