Princess Celestia was quite clearly overworked lately. Twilight just had to find a way to help. Unfortunately, the only answer she found was a bit odd.
An accurate student progress report for Sunset Shimmer might get her expelled, or perhaps institutionalized. Fortunately, Vice Principal Luna knows how to write...tactfully.
The day of ascension has come. After 300 years, a new phoenix shall hatch, and with that, one child with great potential shall be chosen to be reborn in its flames. But, when a young orphan is chosen, it throws everything into chaos.
It turns out that Sunset Shimmer's final letters to Princess Celestia before her exile were not filled with resentment or remorse. There might have been a lot more frantic running away involved. But it was definitely not Sunset's fault. At all.
Sunset Shimmer has lived happily in exile in the human world for nearly a decade-- But now a decision must be made. Will she remain here, or return home where she could fullfill her dreams of being a Princess?
For Twilight, the increased lifespan that came with princesshood had forced her to outlive her friends, but thanks to Rarity, she will learn that centuries could be lived in but a single day.
Sunset Shimmer has her eyes on Starlight, one of the most popular girls at her new school, but what starts as a plan to save Starlight from her worst enemy/best friend takes on a life of its own, and soon their high school is feeling a lot emptier.
When Sunset sees herself as an alicorn in a magical mirror, she goes looking for answers, eventually going through the mirror into another world. Some things are better left alone though, as she finds herself trapped in the other world as a child.
A very different Sunset Shimmer finds herself in a much darker human world. She's found the power she always wanted, but is power what she really needs?
Princess Celestia has finally decided to introduce her two prized pupils to each other, hoping that together they'll finally start to appreciate the magic of friendship. They'll go even beyond that in time, but the road they'll take is a rocky one.
Sunset Shimmer has fallen into a self-destructive spiral since her friends left her, and she attempts to end her life. While unconscious, she is confronted by Princess Luna. They have much to discuss, whether Sunset likes it or not.
After returning from her latest trip to the human world, Twilight confronts something about herself that she isn't prepared to. (Friendship Games spoilers)
As kids, Twilight and Sunset were best friends, but a tragic accident cut their friendship short. Years later, Twilight investigates the incidents at Canterlot High and comes face to face with what appears to be a literal ghost from her past.
Sunset Shimmer is one of the most powerful unicorns in the world, but that won't help her when she's far from home and facing a danger explosions won't solve - diplomatic intrigue!
My name is Sunset Shimmer. I am the strongest unicorn in all of Equestria, and my life is over. I'm in hiding and on the run, and I have no idea where to start putting things back together.
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...