What We Used To Be

Twilight and Sunset used to be best friends, but something happened that would change both of their lives forever.

Twilight Sparkle and Sunset Shimmer used to be the best of friends back in Celestia's School for Gifted Unicorns. They saw each other as sisters, and both were happy. However, after a certain turn of events, their happiness and friendship comes to a tragic end. This takes place before the first episode.