One day your father died. Some time later your mother found an rich and successful man and got married. He had a son, you and him didint get along. Day before your bday your step father get in coma.

One day you come from school and see blood in the living room. You get scared an go to The kitchen... There you see your Mother laying on the floor All bloody... And your step brother infront of her with a knife smirking

"ohh hello there dear sister/brother... ~"

he had smth in his mind.