The king of the land had three children, an older son, a daughter and a son who were twins.  You were the only girl.  When you and your twin brother were four years old, a killer came to your room and killed you and your brother.  Your brother dies, you survive, but your brain and memory are affected due to the blow to your head.  You are constantly looking for your twin brother and you don't remember that he died. your older brother always says to you he dead but you don't accept and forget