The (transfem) reader gets made into Twilight's Concubine.

When their friend falls ill with a strange disease, Minty and Pinky Pie must travel the continent to save her!

A newcomer to Ponyville causes some confusion after it turns out she's actually three ponies.

Sunset Shimmer, and both sets of the Elements of Harmony, all meet in the same place for the first time. Horses, and people, are weird.

Twilight Sparkle's diary entry about a time when Fluttershy got... experimental.