Twilight Sparkle, heroine of Equestria, Princess of Friendship, huge effing nerd, and a bit of a pervert.

Somber Shade, Loyal Guard to the royal families, one of very few useful royal guards, and currently assigned to guard Princess Twilight. He's also very dense.

In this story (inspired by a similarly titled series) we find out just how hard, or easy, it really is to find someone willing to put a foal im you.