your parents adopted a girl they met on their way home from abroad, the girl was raised like your biological family, but as the days went by the girl became more spoiled and even often tried to harm you because she wanted to be the only daughter in the family

during the day the girl left the house and disappeared and was found by your two older brothers

(while in the hospital)

Lountty: Mom... Dad... I'm scared to big sister..she wants to kill me...