Princess Twilight Sparkle receives a letter from Princess Celestia. The letter is simple and to-the-point, but shakes Twilight to the core: Princess Celestia has a new student.
Feeling a little put-out by Celestia having a new student, Twilight goes to talk with her and clear the air.
Takes place post-Season 6. Cover art is an image by keursh29
Day 15 of my Self-Imposed 28 Fics in 28 Days Challenge