Kuroumaru Tokisaka

Kuroumaru Tokisaka is a 14-year-old member of UQ Holder's Numbers from the Yatagarasu, a demi-human tribe whose children are born genderless and can choose male or female at a ceremony on their sixteenth birthday. Kuroumaru currently wishes to become male and identifies and presents himself as a boy. He practices the Shinmeiryuu sword style and has romantic feelings for Touta, though he insists that he only wants "male friendship."