Kikunojo Shimotsuki, commonly known as O-Kiku, is a samurai from Wano Country in the anime and manga series One Piece. She is a loyal retainer of the Kozuki Family and serves under Kin'emon and Momonosuke. O-Kiku is distinguished by her tall stature, beauty, and formidable swordsmanship. She disguises herself as a tea house waitress in Okobore Town to hide her identity while working to restore the Kozuki Clan. Courageous and compassionate, O-Kiku plays a significant role in the Wano Arc, aiding Luffy and his allies.