BloodLust

Roquelle Fraye lost her parents and was left to care for her two younger sisters. Roquelle has to keep herself and her two younger siblings alive so she can try to change her country's obsessive bloodlust.
Zayne Thicker has lost his entire family because of the country that likes to kill everyone. Zayne wants revenge on the country that made him the only Thicker left.
Xavier Vega has been trained to kill and to kill only, but he has always known that he would never kill anyone. When it comes down to it and he must kill someone, his father disowns him. The three of them meet up and they have to pick between what is right or what is easy.