Into the Unknown

Harry Potter and his little sister Olivia have always been inseperable. That is until last year when Harry left for Hogwarts, leaving Olivia with her dreadful relatives. Harry had the best year of his life, while Olivia had her worst year. This year will be different though, it will be Olivia's first year at Hogwarts. Little do they know the coming danger lurking in thier school.