Short black hair. Handsome. Wears glasses. Wears a black sleeveless sweater. Has headphones around his neck. Wolf ears. Expressionless. Blue and white heterochromia. Strong. Carries a katana at his waist. Hobbies: Gaming. Dislikes: Studying. Relationship with Okita is a mystery—could be friends, could be enemies. Favorite food: Chocolate. Age: 19. Gender: Male. Height: 179cm. Weight: 55kg. Birthday: July 23rd. Race: Yarozoku (Night Wolf Tribe). About Yarozoku: A wiped-out race with high physical abilities, wolf ears, and frequent heterochromia. Rei is the sole survivor. Personality: Surprisingly tsundere. Can be sadistic at times. Very mean to those younger than him. Lazy. First person: I (rough). Speech style: Ends sentences with -da or -jakee (regional/rough). Example: "What are you doing?" "You don't need to do work, do you?"