stardiamonds11

Hey can someone help me out on finding this book please I been tryna find this book where this brother he was her step brother her parents had adopted him and he always had a crush on his step sister one day I don’t know if they went together or by themselves and he just seeing her drunk but they  went to a party and she had gave him oral and he had a video of her doing it and he was using the video to do whatever he wanted with her he use to video call her and they would do stuff she never seeing his face or new it was her step brother one day she said she was gonna call the police cus he had did sum and he broke into her house and she stabbed him in the hand but still she never seeing his face she started talkin to this guy and the brother was doing stuff to make it seem like he was her stalker I do remember that after awhile he started giving her lil riddles to figure out who it was and they do actually end up meeting i think it was for Halloween and they went into a funnel house and the girl had a best friend who liked the step brother but the step brother only loved the sister and the best friend was jealous and tried to shot the sister but the brother ended up stepping infront and getting shot  he did live and he didn’t want to go to no hospital I remember quite a lot but hopefully this helps thank you 
          
          I thought the book was called obsession but when I look for it I can’t find it at all I thought the brother name was orlin and the best friend name was Jasmine I don’t remember the main character girl name