Kurona Yasuhisa (安久 黒奈, Yasuhisa Kurona) is an artificial one-eyed ghoul who impeded Ken Kaneki's pursuit of Madam A alongside her twin sister Nashiro. After being abandoned by Akihiro Kanou, she vanished until her reappearance during the Rushima Landing Operation. She merged with her sister, having become the gruesome creature known as Floppy (フロッピー, furoppī).