Princess Twilight Sparkle has granted her student, Starlight Glimmer, a few extra days in the mirror world to get to know everyone – and hopefully learn a couple lessons of her own along the way. With newfound friends like Sunset Shimmer by her side, she’ll have nothing to worry about while she explores the strange sights that await her.
...Right?

Takes place directly after "Mirror Magic", but viewing that isn't required to properly follow what happens here.

Proofread and Edited by ChudoJogurt.