Seeker

A genre-bending sci-fi/fantasy about a group of teens who are trained to kill and marked to die.
The night Quin Kincaid takes her Oath, she will become what she has trained to be her entire life. She will become a Seeker. This is her legacy, and it is an honor.
As a Seeker, Quin will fight beside her two closest companions, Shinobu and John, to protect the weak and the wronged. Together they will stand for light in a shadowy world. And shell be with the boy she loveswhos also her best friend.
   But the night Quin takes her Oath, everything changes. Being a Seeker is not what she thought. Her family is not what she thought. Even the boy she loves is not who she thought. And now its too late to walk away.