I recommend Your throne. Its in the fantasy genre and the female lead is one of the most badass women I have seen in a good while and the other women are pretty good too. Its a romance too. http://www.mangago.zone/read-manga/i_want_to_be_you_just_for_a_day/
I also really recommend The lady and her butler. Its not fantasy but Sooha, the lead, is the definition of "I'm a strong woman who doesn't need a man" but as the story goes on it breaks down this architype and really shows her complexities. The relationship is also so realistic. They have ups and downs but when all is said and done they are pretty healthy and communicate. http://www.mangago.zone/read-manga/the_lady_and_her_butler/?HIiG
I haven't read the first one and I will RN but I already read the lady and her butler its freaking good thank you smmmmmmm ╥﹏╥ ┗( T﹏T )┛
Do you guys know any manhwas like this where there is a strong female lead or any mangas with a strong female lead pleaseeeeee T^T ╥﹏╥