The male protagonist is a child of a wealthy family, but the female protagonist is not an ugly duckling. It is not a story about an ugly duckling turning into a white swan. There is little playfulness, but there is also pain. Maybe the heroine is happy because she has all the love devoted to her by the hero; but maybe the heroine is unlucky because what she once lost has become the eternal barrier between them. Some things cannot be said, and some things are in the past. Those lost, those gained. . At last. . What will happen?