Twilight is willing to do almost anything to apologize for skipping Moon Dancer's birthday party. She'll even magically enter a book if that's the only way to get her attention.

But Twilight draws the line at eating dozens of times her own weight in birthday cakes. Which is unfortunate, because that's exactly what Moon Dancer will force her to do.

Or perhaps it's fortunate—because when you dig deep enough into Hayscartes' Method, nothing is quite what it seems.

[Fetish story. Contains stuffing, force feeding, inflation, and metafiction. "Sex" tag is for ponies getting turned on by the aforementioned.]