Luna had screwed up. She hadn't talked to her sister in a year. After talking with a stranger, she decides to own up to her mistakes and fix what she can.
She didn't expect that fixing her mistakes would mean being dragged around a fair by a group of girls.
Part of the Cornerverse-MLP Universe.
I really enjoyed this. This really felt like a good EG portrayal of the Humane Five becoming friends, and also of healing the rift between Luna and Celestia.
Also really liked the appearance of Sci-Twi in this. Even in an alternate world, Twilight Sparkle plays a part in the end of Nightmare Moon. ;-)
(And one last thing, nice touch with the very subtle glimpses of Sunset Shimmer in this story.)
This is fun backstory