——They are pure angels, but they are murderous demons. They are proud princesses, they are noble queens, and they are the supreme Lord of Hell! Three different girls, all with extraordinary skills and beautiful looks! Who is she, aloof and indifferent, with her charming red eyes? How much murderous intent does she hide behind her sinister face and bloodthirsty smile? She is so elegant, and how many people's hearts have been captivated by her piano music? They exist only for revenge! But when they faced them, when they met them! Cruel revenge and dangerous love, should they continue? ... The text is revealed for you