It was a birthday celebration unlike any other for the crown princess of Equestria, and one the royal house, at least, will not soon forget. Now, as the shadows of Canterlot grow long and the scents of Celestia's favorite desserts wane from bakery windows, the Crystal Princess is left pondering the ethics of it all. Is this who the aunt that kept such a wizened eye on her niece growing up really is?

A clandestine visit from a trio of guests is about to make a new woman out of Princess Cadance, and in so doing, instill in her a deeper understanding of her dear aunt's heart. With the promise of a night as memorable as the day that preceded it, Cadance might even head back home with a few new tricks up her sleeve...

(Note: This story is a paid commission, and may or may not represent the views or interests of the author. Story contains sexual petplay, BDSM, incest, voyeurism, gender swapping, and futanari, among other things. If this sort of interaction is not your cup of tea, consider moving on.)

Commissioned by: DbzOrDie.