This is by H28 on onedirectionfanfiction.com it's wonderful and I hope you like it as much as me. Recommended for 17+

In a corrupt community, young girls are sold to men as mere objects of pleasure and they are kept for as long as the men desire. But things take a turn when the spoilt son of a wealthy businessman crosses paths with an unfortunate girl forced into the twisted world of Baby Dolls. Baby Doll © Wonderwall123 2013 - 2014

'Not once did I think would end up in a stupid supermarket buying condoms for my boss's son!' ... Ella Lane became the personal assistant of one of the worlds most respectable business men as soon as she graduated high school, though she didn't know the extra baggage that would come with the job being his son, Harry Styles. He's flirty and charming though Ella can see right through his games as she has become accustomed to it over the past three years in which they soon develop a playful friendship. But what happens when after all this time, one of them begins to feel something just a little bit more than a mutual friendship....

Working for a world-leading mafia, Harry knows how to kill, how to hunt his victims, and how to avoid any company of any kind. He's used to a lonely, quiet, and harsh environment. He is the best at what he does. And everything he does becomes problematic when he's assigned to protect the boss's daughter from world-known killers. Catalina tries to understand him, eventually failing because instead she falls for a man so willing to resist her. [Contains Mature Content]