Sinful - Harry Styles

Allison attends a ball to get out there and meet new people, she was tired of staying alone in her dark room, sobbing over her past friendships and relationship. But just as she was trying to enjoy herself, something catastrophic happens, something that nobody in the party expected.

Allison gets herself involved with a man from the ball, a powerful, dangerous man. Before she even knows it, she gets sucked into the British mafia world, and that's all because of the devil in a suit she met in the ball.
--

Sinful, A Harry Styles fanfiction