Guess they have no choice but to extend the spell to all of Equestria, so that "bumping uglies" replaces hoof-bumps as a greeting.

9089361
What spell? I have no idea what you're talking about. Clearly Celestia is perfectly in control of herself, as she searches for a cure. Not that the completely normal thing needs curing. Wait, what are we talking about?

9089364

Wait, what are we talking about?

Don't ask me.  Weren't you listening either?

As a wise man once said: Princest is Wincest.

I really enjoyed this. It's some hot stuff, and a great way to up the ante on my original piece.

Every hentai fanboy

This could work as a long form slice of life type thing, showing the spell spreading while everyone is totally unawares

Unusual, and interesting, but you might want to include a anthro tag. I wasn't sure why all of a sudden there was talk of panties and skirts.

9092934
I was not aware that there was an anthro tag. Fixed