Rouko's appearances is commonly misidentified and unspecified due to dofferent appearances: His hair color is originally purple but in some appearances it is colored blue. His skin complexion is also commonly misidentified due to shadows, but he has pale skin color. Rouko wears a rather adorned kimono on his first appearance and his hair is complicatedly tied. In the night, he wears a minor blue kimono shirt which is slightly opened and his hair is rather loose.