Atsushi has light gray hair, pale skin, and is of average height with a slim build. He has Section Heterochromia, consisting of purple on the top half of his iris and yellow along the bottom curve of his pupil. His hair is short and swept forward in loose spikes with a lock left long on the right side of his face. He has a strong sense of morality, which also directly stems from his upbringing. He believes his worth in life depends on his ability to protect others.