Jinu has a slim frame and long limbs, giving him a height and build comparable to the other members. In his human form, he has straight black hair, dark brown eyes, pale skin, and pierced ears. Jinu typically wears a collared shirt over an undershirt, a necklace, skinny jeans, and high-top sneakers. though notable changes include light blue skin adorned with demon markings, clawed hands, sharper teeth, and yellow eyes with black slit pupils. he wears a gat and sochangui overcoat. 