Mentions of vampires hunting humans for sport/trafficking (nothing sexual). There is violence. More on the PG-13 side. A human girl against humans/vampires/shapeshifters. My 13-year-old daughter says it would be categorized with Hunger Games violence level. That is only a few chapters worth, in the middle and end of the book.
This author has verified their writing style and content information, but their books have not yet been added to the Closed Door Romance Database.
In the meantime, you can browse their books on Amazon.