As punishment for her crimes, the Elements have cursed Sunset Shimmer to do favors for anyone who asks. Lucky her. And then there's that other Twilight Sparkle she keeps running into...
Sunset Shimmer: Princess Twilight Sparkle's most faithful student. After bearing witness to the End of the World, she travels back in time to destroy the Dark Regalia and save her future. But a ghost from the past has other plans...
Finding herself unable to sleep, Princess Celestia occupies her mind by penning a letter to Twilight Sparkle. But for a weary princess, the mind has a tendency to wander...
The princesses gave their magic to Twilight to prevent Tirek from stealing it. As a result, they end up stuck in Tartarus. The fact that things manage to go downhill here says a lot about the wonders of family.
After the Fall Formal things don't go so well with Sunset Shimmer she slowly spirals downward before hitting rock bottom, moments away from doing something she will regret when, to her, the least likely of people come to her rescue.
My unicorn parents called me a worthless mud pony. They pushed me every day to overcome my lowly status. When I woke up one morning with my cutie mark, I thought they would love me. I couldn't have been farther from the truth.