Umemiya is a tall teenager with white swept-back hair, gray downturned eyes, and white eyebrows with a slit through his left brow. He is most often seen wearing a Furin High School uniform with an extended-length, dark green, tailcoat left unbuttoned over a white t-shirt, paired with dark green pants and a black pair of men's driving shoes.Umemiya is an easygoing, friendly person. His personality is warm and he is seen by his peers and subordinates as a confident and charismatic leader.