@andreariona as far as i know, she was the original cayenna, and died, reborn as the korean woman, and then she died, and back again being cayenna. I think its wrote in the beginning.
When she died as a korean woman, i think it wrote as "i was once a villain,i guess I'll be a villain too in this life" and when she's back to being cayena, her thought was "no wonder i know how the villain think. I was her"
This is if I'm not remembering it wrong. But cmiiw
The reincarnation process is more like 'Doctor Elise' manhwa