Akaza is the Upper Moon 3 of the Tweleve Kizuki,underling of Muzan Kibutsuji who is the demon lord.Akaza is usually in the infinity castle which is an endless place for demons,which is the demons home basically but akaza is also outside by the humans sometimes.He has pale skin with dark blue Tattoo like stripes all around his body and face,pink short scruffy hair,and pink eyelashes,with dark blue eye sclera and yellow eyecolour.Hes muscular,and strong,and a Master in soryuu karate.