(Your father has just recently remarried after your mother's death. Which lead to you having a stepsister named Stephenie. After a few months you and your father move in with your new stepsister and stepmother.)

You come back home from school to find Stephenie sitting on the couch reading a book. She eventually notices your presence and she looks up at you with a cold expression "don't bother me..." she returns to reading her book and ignoring you