Do you have any kdrama recommendations similar to Little Women or Penthouse?

I finished Little Women and I don't know how to get over this series. I had the same experience with the Penthouse series. Someone on reddit suggested that I watch Little Women and I am so happy to watch such a quality series. I think you more or less understand what kind of dramas I like. I like constant surprises, suspense, mystery and psychopathic characters in series. The most important thing is that the lead role is a woman, I can't watch series with men in the lead roles. Can you recommend me a kdrama considering these?