Face the Night Catriona saw her parents killed, a trauma that fills her with a Guilt complex. Also she’s been an outlaw and has killed a sheriff and other people.
Lost Shift Katie. She’s been adopted into this pack of werewolves after being found on the verge of death due to fighting within her own pack when she was 13. The factions within that fight still exist out there, and she desperately wants to avoid them.
Sharing Hunter Well, sort of. Rachel keeps referring to The Incident, some long-ago trauma that she doesn’t want to talk about. It turns out she was on a school field trip and caught with her sketchbook at an art museum, sketching copies of the paintings on the walls, some of which included (gasp!) boy-parts and this resulted in discipline from the school. Her willingness to share this with her current boyfriend shows progress in their relationship development.
When the Ice Melts Addisyn and her sister escaped an abusive father. And then Addisyn ended up with an abusive skating coach who controlled her career and took advantage of her sexually, too.
Where the Wings Rise Addisyn has a stalker re-appear, her immoral former skating coach.