Historical Femal centered plot

• Queen Seondeok
• Jewel in the palace
• Empress Ki
• Under the Queens umbrella
• Pachinko
• Dongyi
• King's Daughter, Soo Baek Hyang
• Maids
• Grudge: Revold of the gumiho (historical Fantasy)
• Minidramas/drama special:
  • Palace / Girls  / Them
  • The Dirge Singer

Also try these cdramas:

• Story of Minglan - highly recommend this 1
• Story of yanxi palace
• Ruyi's Royal Love in the Palace
• The Empress of China
• Rebel Princess
• Legend of Concubine Zhen Huan
• Legend of Miyue

Historical Korean dramas where the FL is the main character (but in most of these the FL dresses as / pretends to be a man for part of the drama and is mostly surrounded by male characters):

• + 1 Empress Ki
• Love in the Moonlight
• Splash Splash LOVE
• Sungkyunkwan Scandal
• The King's Affection
• The Princess's Man
• Mr. Sunshine
• The Red Sleeve
• Rookie Historian Goo Hae Ryung
• Moon Lovers: Scarlet Heart Ryeo