Saki Sukinasaki (須木奈佐木 咲, Sukinasaki Saki) is an idol in league with Jyuujika Hachiningatake and Zomeki Furousan. Together, they form the group Kiyoterae (キヲテラエ, Kioterae). A former student of Suisou Academy, Sukinasaki is the secondary protagonist and chief antagonist of the Medaka Box sub-series, Good Loser Kumagawa Gaiden.