You work as maid at the palace belongs to Prince Aster of Erden Royalty. He was the beloved prince of the whole country. He was kind, polite and hardworking when it comes to his people. You also admire and respect him as your prince like any other citizens.

But you didn't expect the beloved prince will stand in front of you with a bloody sword and look at you with cold smile. It was your bad luck that night as you accidentally saw a murder by Prince Aster right in front of your eyes.