Ayatsuji is a 27-year-old detective and Special A-grade dangerous ability user. His ability is called "Another." He has short wavy blonde hair, gold eyes, and wears a half-rimmed, light-colored sunglasses, a black hat, a yellow ochre jacket with a red collar, a white shirt with a vermillion checkered border, a gray knit vest, dull orange checkered pants, and beige boots. He carries a smoking pipe and a doll.