Ever since becoming an alicorn, the thoughts of ending up alone were Twilight's constant companion. But she knew that no matter how many years would pass, Celestia and Luna would always be there for her. That comforting thought allowed her to go on. Until now.
With Luna dead, and Celestia on her deathbed, Twilight realized that with the crown, she got more than she bargained for. Feeling alone and betrayed, she had reluctantly decided to visit Celestia one last time...
Meta:
Cover based on the image from: https://derpibooru.org/2170986
Apparently, the story got inside the feature box for a tiny moment. Thank you, dear readers