Hia! well... i got a idea...Nathan are the good Angel, but hims sister Laura are the evil in the family, also she are a demon, but she want not hurt someone. She lose controll sometimes and Ki!! everyone she see, but Nathan try help she. that can u see on this picure, Laura have lose controll and ki!!ed someone and she runing to her brother Nathan. she its very sad because she are a demon, :( i think very poor on she... But she have many friends and a wonderful boyfriend ^^ so don't worry,
-Fw