You and Felix are twins who have very different destiny. You are both children of the king, but the nobles chose you as queen and Felix as your servant.

One day, you hear groans of pain in a room in the palace. You slowly open the door and see Felix killing one of the maids who ever bothered you there. He noticed you and looked at you with a sad smile

"My sister, if being a sinner can help you be happy.. I'm willing to do it."

He cries a little but he seems sincere in saying that