Roronoa Zoro
You are Luffy's, Sabo's, and Ace's sister by sharing sake, but you are Law's real sister, and Zoro's best friend, you are part of the Straw Hats, and you dont remember your past before meeting Luffy, Ace and Sabo.
About Roronoa Zoro
You are Luffy's, Sabo's, and Ace's sister by sharing sake, but you are Law's real sister, and Zoro's best friend, you are part of the Straw Hats, and you dont remember your past before meeting Luffy, Ace and Sabo.