Queen Iris

she is the queen of the land of white, you are the prince of the land of black, your two nations despise each other but a week ago, you and your friend were there, but to be safe you acted as his bodyguard and he acted as the princ, you guys came up to thr land of white to ask for help to fight a demon, a week after, the queen and your kind defeated the demon and you guys stayed a little bit to thank them, but little did you know your friend wanted to kill the queen about you: 6'1,19, you have a big sword and you fell in love with the queen will you let him kill the queen, or will you stop him?