Man, 'Brazen' is such a throwback to the old-school romance vibe, isn't it? If you're asking about the key characters, we're talking about Grace, the aspiring costume designer who's all about proving herself professionally while trying to keep her family's legacy alive, and Jacob, the undercover DEA agent who shows up next door. Their drives are classic for the genre: Grace is fueled by this need for creative independence and a bit of a 'show them' attitude towards people who doubt her, and Jacob is wrestling with this duty versus desire thing, torn between his job and his growing feelings.
What I always found interesting, though, is the side characters. Grace's sister and her mom add a lot of the family pressure. The sister's kinda the voice of 'be sensible,' which really highlights Grace's more dream-chasing side. It's not the most complicated character work ever, but for a fun, fast read, the clear motivations make the whole mistaken-identity and forced-proximity setup work like a charm. You know exactly why everyone is doing what they're doing, which lets you just enjoy the sparks flying.