Fic: Obsidian Anniversary (Sherlock/John, NC-17)

Title: Obsidian Anniversary
Author: swissmarg
Rating: NC-17
Fandom: Sherlock (BBC)
Pairing: John/Sherlock
Word count: 3,200
Warnings: References to homophobia, past character death, and mpreg; cultural anthropologists may want to avoid this completely because it's probably all wrong
Summary: Sherlock gives John a little something to commemorate the day they became mates.
Notes: This is set in a Stone Age AU I've had ghosting around in my head for quite a while now. Maybe I will get around to doing proper research and writing it some day, but until then, here's a very seat-of-my-pants little scene. Sorry for all the exposition. This was written for the come_at_once 24-hour porn challenge in response to the prompt 'Obsidian' by mildred_bobbin, but I would also like to officially enter this in earlgreytea68's AU Ficathon of Absurdity because a) this is actually in response to one of my prompts there and b) caveman!Sherlock is surely the epitome of the absurd.
Disclaimer: This is a transformative fanwork based on the Sherlock television series created by Mark Gatiss and Steven Moffat.

Tags: Stone Age, AU, fluff, cavemen, anniversary, come at once, challenge fic, PWP, hand job, anal fingering, mutual masturbation, leather

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( Obsidian Anniversary... )