She is as cold as an iceberg, but has a changeable personality. She has a confusing and mysterious identity; he is a mysterious prince who is cold to everyone but only gentle and domineering towards her; he is the one who does not hesitate to pretend for her, but is the most painful in his heart. . . She disappeared many years ago and hurt two people because of a secret. No, let's say three people instead. Maybe more people... She went to their school. When they love again, brothers are unwilling to hurt each other, but after all, someone must feel pain. . .