It's Equestria's first, foremost, and simplest rule: Nightmare Moon comes first in your heart. Always. To betray one's devotion to Her Majesty with love for another is unthinkable. It is an act of high treason: a Heartcrime.

Night Chamberlain Rarity is not perfect. She's had the occasional liaison with her favorite Night Guard, a couple of incorrect feelings here and there, but she is certainly not a criminal. She is sure of it.

But then, Rarity's been wrong before.

An entry Winner of the Raridash doodles contest