Twilight had been sent to a parallel world by Cadance after Twilight had confronted her at the wedding rehearsal. She'll end up having to take the place of the Hero from the game in the title.
Twilight had been sent to a parallel world by (an impostor of) Cadance after Twilight had confronted her at the wedding rehearsal. She'll end up having to go through more than one in order to get home.