My Sister's Friends

Ryan is an 18 year old girl with a lot of responsibility on her plate, including her 15 year old sister. What lengths will she go to, to protect her sister. How do the turtles know her sister, Kylie? And what will the turtles do to defend their friends? Trigger warning. Seriously dark themes. Not for the squeamish. Please read and review. RaphxOC and MikeyxOC. M!