Commission for Tegon ( https://twitter.com/TegonDrake )
Sex is a wonderful, fulfilling experience for everyone involved. That is, unless you're smaller than a grain of rice and your two partners don't know you're there. Then it's just plain dangerous.
4,000 word of our poor, intrepid hero finding himself smaller than a big trapped in the middle of the passionate entertainment of his girl Alix and a rather hung new friend without either of them even knowing he's there.
Editing provided by Draco ( https://twitter.com/growingdraco )
Check the attached PDF for the story!