Starlight Glimmer receives a visit from another version of herself, one who presents an enticing opportunity to correct her past mistakes. Though Starlight worries about the consequences, she cannot help but wonder what would happen if she followed through with the other pony's suggestion.
After all, she wants nothing more than to reverse her past mistakes.
As well written as this is, it feels incomplete.
Like it's the beginning to a much larger story
There were 3 of them at one time?