Dumbledore doesn't reverse the trap he laid on the Mirror in time. The Mirror traps Harry and Voldemort outside of Time... and inside the MLP universe. MLPxHPMoR Crossover.
With everyone convinced that Sunset Shimmer is Anon-a-Miss, Sunset finally gives up. She's saved by strangers, a couple of whom have familiar faces. (Authorized remake of The Fall of Harmony/Like the Phoenix)
Beset by the pressures of her coming-of-age, Sweetie Belle has secretly been turning to video games for relief from her insecurities. But when her unparalleled gaming talent earns her a cutie mark she never asked for, her life is thrown upside-down.
Two neighbors meet, one with a strong love of her animals and friends. The other has a chip on her shoulder and an insane plan for revenge. How will this year of neighborly bonding go for the two of them? Messy. Very, very messy.
The one and only time Diamond Tiara was bullied, her mother told her that ponies always tease the ones they love. Now, during a study date with Apple Bloom, Diamond fears it's a self-fulfilling prophecy--and that she'll end up hurting her again.
An angry old stallion frustrates the citizens of Ponyville with his insulting, cantankerous ways. Nopony can stand him, including Princess Twilight and her circle of friends. All the while, Fluttershy quietly looks on.
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.
Rainbow Dash is the best. Top of her class, envy of her peers, she's really living the life. Except she must not be good enough yet, because they still don't notice her.
Sunset has grown to be a better person and everyone at CHS has forgiven her for her past mistakes. After flipping through an old yearbook and finding a mistake she can't fix, can she forgive herself for a suicide she caused?