FMC thinks she is dating a normal guy

I'm looking for a mafia romance where the FMC has absolutely no idea the MMC is involved in the mafia. I want them to meet naturally, go on dates, and build a real relationship while she thinks he's just a normal guy. The mafia reveal should happen later in the story, and I want her to be completely shocked.

The best part for me is that by the time she finds out the truth, it's already too late to leave because the MMC is completely obsessed with her and refuses to let her go. I love when he's possessive, protective, and would do absolutely anything to keep her.