[Bittersweet]
Dear Luna,
I was your hero.
And I failed you.
Is that why you haunt me?
Princess Celestia, after hundreds of years since Nightmare Moon was exiled, writes a letter to Princess Luna, in hopes of getting though to her, in bringing her little sister home. But it's rather hard to send a letter to the moon…
*Hit the top charts on the 7th of July, 2014!*