Currently, only top IU and Taeyeon are the only female soloists with any type of longevity. And IU shouldn't even be in this conversation since the woman is on another level. Overall, you can count the ones who managed to stay relevant for a long period of time on one hand. But we've had multiple soloists who have managed to hit the top, but why couldn't they stay there? Both Sunmi and Hyuna had multiple moments of explosive popularity but couldn't maintain it past a few years, Chungha hit it big 2018 and 2019 but fell in popularity during 2020, and Hwasa was a major 'It Girl' but only managed to get one huge hit.
Why is it so hard to keep popularity as a female soloist in k-pop?