Human Form: Kogetsu's human form is that of a young man of average stature with messy cyan hair (still with dog ears) and silver eyes. In terms of attire, he wears blue coat with a black sweater underneath, jeans, and black-white shoes. Yokai Form: In truth, he is a massive Okuchi no Makami that has over 100 meters of height, a race of mystic dogs with immense strength and ice powers. He shows himself as a massive wolf with silver fur, pointy sharp ears, and blue eyes, sharp teeth, fluffy tail.