Yu Narukami has bowl-shaped silver hair and gray eyes. At school and in the Midnight Channel, Yu wears the conventional school uniform of Yasogami High School and wears gray-framed glasses in battle. In the summer, he wears a light uniform. On days off, he is shown wearing a black jacket and gray turtleneck shirt along with black pants. On days off in the summer, he wears a short-sleeved white collared shirt and brown pants.