Sunset was... Having an ok time, after the battle of the bands.
Her friends are better now, and not... Alluding to HER all the time anymore. She's gotten better in a lot of ways, and is being treated better.
But, now she's got some mysteries, and having to deal with her ambient magic slowly fading away, rendering her vulnerable to the needs of a human.
And who the heck is Dead Heart, and why does she feel so weird around them?