King Dainn and the Caribou armies are poised to launch their invasion of Equestria, starting with the Crystal empire. In preparation for the conquest, Dainn orders a few of his elite guard to kidnap a crystal mare. However, they come back with a interesting discovery.
Well, the ponies are hermaphrodites. This, naturally, complicates matters.
(Important Note: I do NOT like FoE stories. I just don't. However, I DO love the story 'Going Native', by Gyvon. And while reading that, this just popped into my head. So yeah, please don't complain too much.)