After being defeated by the Rainbooms, Adagio returns to Equestria, only to discover her true self- and her true self is too much.

Sonata is secretly lonely. She has no friends, and she only joined the Dazzlings because she wanted power. But now, she's had enough.

Fluttershy is known for being the Element of Kindness, but her beginnings were not kind to her.

Twilight Sparkle stumbles on a book about shipping.

The mirror is kept safe in the Crystal Empire's castle, but one night, an... old friend ... steals it, curses it, and places it back where he found it. And that pony is also known as- what do you mean there isn't enough space left in the description?

Hokkaido, Japan. Waking up, Hatsune Miku and her friends discover this portal right here, or was it over there? Anyway, the group finds they have hooves. No module in any Miku game could have prepared them for this.