The House on the Hill (Book 1)

Willow is not your typical girl, she's an outspoken, foul mouthed, doesn't give a damn type of girl and will offer her opinion whether you want it or not. She argues with her dad a lot and often wishes for her life to end. She meets a guy named Damien at school, who she quickly makes friends with. 6 months later, Willow goes missing and her sister Winter is desperate to find her but the questions remain, where did Willow go? and does she want to be found?... However, when Willow is found on the same night she went missing... Winter quickly realizes that something isn't quite right with her sister.