Giyuu is a classic ISTJ. Aside from being reserved and analytical, Giyuu is known for being trustworthy with good judgment. Giyuu always has a stern expression and seems aloof but he has a strong sense of justice and cares greatly for people he considers his friends. Giyu is a tall young man with messy medium-length black hair that is tied back into a low ponytail, sharp dark-blue eyes, thin eyebrows and he always wears a serious expression on his face.