One Thousand Sunsets

Celestia regrets banishing her sister to the moon. A lot. She needs to keep her subjects happy, but it's just too hard.

One thousand years.
For one thousand years, Celestia remembers the day she banished her sister, the worst day of her life. Though she's learned to hide her agony well, she still can't stop her great regret.
Every day is harder, but she has to suffer through this.
She must keep her subjects happy.