Once upon a time, in a far away kingdom, the queen gave birth to a princess. However at the same time, the twin sister of the queen also gave birth to a boy. What no one knows, the boy who was born by her younger twin sister are the result of the affair of the king behind her. And the queen knows that. That were why when her sister, then queen of the handmaiden, gave birth and died, she silenced everyone present in the room and said she gave birth to twins to the king. A boy and a girl.
However the sibling got separated soon enough. When the king died a few days later, 'the twin brother', raised by his grandparents. While the 'the twin sister' was raised by the queen and made her inheritance. Future queen of the kingdom.
The girl grows become a selfish queen of the kingdom and her brother grow become her loyal tool.
The Servant of Evil.
~*****{*****}*****~
Kimi wa oujo boku wa meshitsukai
(You're a princess, I'm a servant)
Unmei wakatsu aware na futago
(Destiny separated pitiful twins)
Kimi o mamoru sono tame naraba
(If it's for the sake of protecting you)
Boku wa aku ni datte natte yaru
(I'll become evil for you)
~*****{*****}*****~