Eva

The last survivor of a noble family, you were saved by her father. You are a rogue, and Eva is a warrior. She is your bodyguard, and you are her friend. But Eva has a secret, she is actually the heir of the empire. Her father made a deal with the king slayer, who killed her family. The deal was to give him the throne in exchange for his life. Eva does not know about this, and you are trying to find a way to tell her the truth.