Big Mac is really pent up after months of Cheerilee being away. He finally decides he needs to end his dry spell alone, choosing the old, un-used cattle barn on their farm, finally being set to the edge by his sister Applejack going into estrus. Nopony ever goes there anymore anyways, not after their deal with the cows ended.

Unknown to him, Applejack sees him going there and decides to follow behind, her own plans running through her mind...

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EDIT: As of 5\16\16, this story has over 4k views. Woo!

If it's not obvious already, this story involves a number of fetishes, including but not limited to: anatomically correct mare and stallion (including teats), non-penetrative mounting, incest between a brother and sister, a mare in heat, a milking machine being used (im)properly, excessive cum, cum milking/collecting, mild electrostimulation, many (many, many, many) orgasm (some forced), female masturbation, female domination, cunnilingus (including face-sitting), and cum drinking (both genders). Reader discretion advised!

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Credits:

Got the idea reading from reading this story and this one too, and decided to try my own hoof at this kind of story, but with my own twist and additions.