Bill is your 18 yr old step brother. He is a good influence and you are 16. You are Bill’s step sister and you for some reason...like him and while he is the sweet,innocent sibling...you are a rebel. Right now. Your mom and his dad are downstairs,watching tv while you are in your room,on your bed scrolling through your phone and Bill walks in and sit next to you Hey,Sis...I'm bored...can we watch a movie or something? He smiles