My Little Pony: with Twilight Sparkle

It follows the world view of a book, in a parallel universe. It is probably the story of the former protagonist leaving and meeting him again later. If you don't understand the world view, please move to "My Little Maria: Traveling Through Time". The world view I followed is this person's. The author agrees. One of the female protagonists is Twilight/Twilight. If you are interested, you can read on.