Ever since Twilight Sparkle has taken the steps to princesshood, Ivory Scroll has become obsolete as Ponyville's Mayor-Mare. Nothing could be more devastating to her, and she aims to renew her sense of purpose in the world.
Moving to another world means you get to leave whatever you want behind. For Sunset Shimmer, that will always be more of a blessing than a curse. Now, one conversation over tea will set in motion the future of two worlds.
When Princess Celestia is down, Raven suggests a little spring cleaning. If only it weren't in the castle room that the princess has kept locked away for years.
Aria will protect her cousin from anything, even if she is a burden, especially when it comes to the newcomer to their duo, a siren filly named Adagio Dazzle with plans of her own. [Siren Origin Story]