South Korean pop, known as K-pop, is not just a type of music — it’s a culture, where bold style, perfectly choreographed dance moves and ebullient earworms that draw from pop, hip-hop and traditional Korean music attract a huge and particularly devoted global fan base. The genre’s stars, known as idols, are trained, often for years, by entertainment companies that then place the most promising trainees in groups, write and produce their music and obsessively manage their public images. It’s a system that works for the idols who make it big, but it has also drawn criticism for its grueling methods, which some call exploitative.

One of the biggest stars to come out of that system is Rosé. Born Roseanne Park, she trained for four years with one of K-pop’s largest agencies, YG Entertainment, eventually breaking through as part of the girl group Blackpink. Now at age 27, she is striking out on her own with her first full-length solo album, “Rosie,” which comes out on Dec. 6 from Atlantic Records. (The album’s first single, “APT.” a collaboration with Bruno Mars, is a true bop and has made history as the first track by a female K-pop artist to break into the Top 10 on the Billboard Hot 100.) She is still a member of Blackpink, and the group re-signed with YG in 2023. But after years of singing other people’s songs and performing as Rosé, which she described to me as “a character that I really worked hard on as a trainee,” writing her own songs for this solo album has made her think about where she came from and who she is, separate from the system that turned her into a global phenomenon.

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You’re about to release your first full-length solo album. Can you tell me what you’re feeling? Like I’ve been waiting to release this album for my whole life. I grew up listening to a lot of female artists. I used to relate to them, and they used to really get me through a lot of tough times. And so I would always dream of one day having an album myself. But I never really thought it would be realistic. I remember last year when I first began the whole process of it, I doubted myself a lot.

It probably would be surprising to anyone who would look at Rosé, with all your success, with the enormous fan base that you have, to know that you doubted yourself so much. I don’t think I ever learned or trained myself to be vulnerable and open and honest. So that was the part I feared, because it was the opposite of what I was trained to do.

You were born in New Zealand to South Korean immigrant parents and then you moved to Australia when you were 8. In 2012, when you were 15, you auditioned for a slot in YG Entertainment’s trainee program, which is basically a boarding school for becoming a K-pop star. It was your dad’s idea, right? Yes.