Daemonica by Nikolas P. Robinson
Orphaned for the second time in her twenty-one years with the death of her older brother, Ethan, Layla Torres has been spiraling out of control.
When she discovers the truth of what happened to Ethan and his friends, the secret stash of an entirely new drug in her brother's belongings provides her with a chance for revenge.
It's a chance she'll happily take.
