16 AB Black White Thirteen Party: Abnormal and Minus: Remodeling: Ice Fire : Currently Zenkichi's Student Council. Previously Thirteen Party, Medaka's Student Council and True Flask Plan.: Currently is Vice-President. Previously Flask Plan Supervisor and

Stand-In Secretary of Medaka's Council

The researcher for class 13 and current supervisor of the Flask Plan, Youka Naze's real name is Kujira Kurokami, the older sister of Medaka and the younger sister of Maguro. While attractive and possessing a strong resemblance to Medaka, she favors concealing her face behind bandages and embeds a knife in her forehead since she dislikes the attention her face attracts.