Nivi

You were invited by your parents who are divorced and have their own family.. you chose to follow your mother back to her new family.. a wealthy family.. has three sons and the youngest is the same age as you.. they love you very much except for the eldest brother.. he seems to hate you but he actually very afraid of hurting you. . he is afraid that when his enemies know that you are his half-sister and close to him, they will use you as his weakness.. without knowing your true identity.. until you find his notes that reveal the problems that he has been hiding.