First of all, Korean dance is actually very complex. It is a fusion of many dance types, including many elements of hiphop in hip-hop. Korean dance is very expressive and the stage effect is amazing. This is similar to The hiphop effect is the same;
Secondly, as a woman, you can learn both Korean dance and jazz dance. Korean dance is more cool and handsome, but it is not limited to gender. Many girls can still dance Korean dance well. Very good but not very good. Jazz dance is more suitable for sexy girls, because jazz dance is more sexy and soft, not as handsome and masculine as Korean dance. It mainly depends on your personality. If you are more sunny and cheerful, you can try Korean dance. If you are more feminine, jazz dance is better.
Finally, jazz dance and Korean dance are both suitable for young people, but if you are starting to learn from scratch, it is better to choose jazz dance. Jazz dance can learn a lot of dance basics, which will be good for the future. Study better.