My Unpredictable Mafia Boyfriend

This is about the relationship between the Brat rich girl and her Mafia Boyfriend. But this brat girl named Eulla, doesn't know that her boyfriend is a Mafia, what she only knew about her boyfriend was he is part of a gangster group. She also doesn't know that her boyfriend is the leader. They relationship is kinda like complicated, cause Eulla can't predict her boyfriend easily. But she didn't know why. Except for that, her parents are against to their relationship. And there is someone who wants to wreck their relationship.