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"Ao no Exorcist" is an anime series featuring demons, where Ai Kayano lends her voice to the character of Kuro. The story revolves around Rin Okumura, a teenager who discovers he is the son of Satan and becomes an Exorcist to combat demonic forces alongside his brother Yukio. Ai Kayano's portrayal of Kuro adds depth to the narrative, showcasing her versatility as a voice actress.