She's Captive.

Darcy is suppose to be a normal seventeen year old girl,until her sister,Maya,met Harry Styles. After Maya was raped by Harry he began to treat Maya like a rag. When Harry discovers Maya has a sister,he thinks she would be could bait. She has to live like a slave and obey Harry's every wish if she wants to keep her loved one's alive,but watch out Harry. She has some tricks up her sleeve too.