Yukito__Snow

I just want to know your theories in this short story (Warning: gramatical and spelling errors)
          	
          	Once upon a time there was a girl she loved her family so much but her family hated her to the core why? No one except them knows she was hated abused bullied but she remained smiling until that day at her 13th birthday the child disappeared without a trace no one knows what happened no one knew is she's alive she was last seen near the bridge some said that she committed suicide while others said she run away in Truth no one truly knows the only emotion that family felt that day was regret sadness and anger they wished for her to came back and promised they would treat you right but
          	....fate was heartless a body that was burned was found near the bridge where she was last seen and many believe it was the child on that day cries of anguish and regret was heard
          	
          	7 Years have passed a girl who looks exactly like her was seen but unlike the child that girl she was different she would fight back she doesn't hesitate to destroy her enemies the complete opposite of the child....the family believed it was her they believed but reality prove them wrong DNA test said so at least
          	
          	But one question remained who was she? Why does she look like her? And where did she came from
          	
          	The girl was confused on who they are she never met them before she didn't have any accidents she doesn't even know them... Or does she?
          	
          	Clue: united by life 
          	Separated by death