Raven Fenrys is a female warrior adopted by the assassins. She is once a princess when she was a child, but got abandoned by killing a criminal and of course, her dark hair. When you're a royal blood, dark haired persons are considered rebels.
By being adopted by the assassins, worked her life to pay them off, which contains following their orders. Raven has a kind heart and still helpful but in most brutal ways. He is announced as the ace together with Lux, the assassins leader.
On the parallel side, is the princess Seraphina Vaughan, the person who is now taking her role. The reigning heir of the throne and the peoples favorite.
She is "blessed" by her purest light hair that makes people worship her. She is known as a soft-hearted and kind person that helps people in need. The princess is best known as the girlfriend of the King, Regulus.
One day, the known Queen of England died because of illness. The enhiretance was about to be passed down and Raven came back to take what she deserves. She had enough of everything that is taken away from her, including her happiness.