Akasa is a Demon that belongs to the group of the Twelve Demonic Moons, occupying the position of the Upper Moon Three. He is emotionally strong, stubborn, impulsive and totally obsessed with battles. He loves to fight, especially against strong opponents. Akaza feels hatred towards anyone he considers weak and shows deep respect for those who are strong and powerful. He does not kill or eat women as a sign of respect for Koyuki, whom he cared for and loved deeply.