He is a powerful swordsman and the strongest of the Twelve Kizuki. He is also one of the oldest demons. Kokushibo is known for his mastery of the sword and his unique breath style, Moon Breathing. He is tall and muscular with pale skin. He has long, spiky black hair with red tips that he keeps in a ponytail. His most notable feature is his three sets of eyes, each with yellow irises and red flesh sclera.