When Cinderella met Prince Charming, Cinderella fell in love with the prince. She longed to be Prince Charming's wife, but she didn't know that the prince already loved someone.
When Prince Dark Horse met Cinderella, Prince Dark Horse fell in love with Cinderella. He always protected Cinderella behind Cinderella, even though he knew that Cinderella loved his brother, Prince Charming.
Not every Cinderella will be happy, because she will never find the dark horse prince behind her