Wildcat Fireflies: A Meridian Novel by Amber Kizer
This is the second book in this series. I found this one a little harder to get into at the start. But once i got into it i found the story line easy to follow.
In wild fireflies we find Meridian Dealing with the lose of her beloved Auntie the woman who showed her what it meant to be a Fenesta
She and Tens have hit the road in the hope of finding other Fenestra.
Their search takes them to Indiana, where Juliet, works tirelessly in the nursing home where she and several other foster kids are housed. Surrounded by death, Juliet tries to make a loving home for the younger kids, and to protect them from the violent whims of their foster mother/ warden.
But she is struggling against forces that she can not understand . Will Meridian and tens get to her before the Aternocti do.