A short guy for a human his age finds out that no pony in the lands known as Equestria has ever had sex!
How did they breed, how did they even live? Every day in his full year in Ponyville he had anxiety over one of the ponies figuring out his masturbated to them, but they didn't even know what that meant!
Now, it's his job to go around Ponyville and teach the mares how to have sex. Now... who should he start with?