One-shot. Celestia notices that Twilight is starting to fear that she can't live up to being a princess. So she decides a visit from a special friend is just what Twilight needs. Enjoy
When Starlight is responsible for a massive accident, Equestria is faced with approving a system of checks and balances for former villains, fracturing the Mane Six, splitting Equestria down the middle, and testing the meaning of friendship.