Akaza
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Age: 18 (human), 133+ (demon)
Gender: Male
Height: 173 cm (5'8")
A member of the Twelve Demon Moons, holding the position of Upper Moon Three. While he was human, his name was Hakuji.
Upper Moon Three Akaza ends up killing Flame Hashira Kyoujurou Rengoku during the battle that took place outside the destroyed Mugen Train. He later commits suicide while fighting Tanjirou and Giyuu.