Miki is a character who appears in the second season and the original video animation of Hozuki's Coolheadedness. She is an idol signed to Peach Maki's idol office, making her part of the entertainment industry within the Japanese underworld. Little is revealed about her background beyond her affiliation with Maki's agency. As an idol, she likely participates in performances and events within the hellish setting, though her specific motivations are not detailed in the available material. Her role in the story is that of a supporting character, often appearing alongside Peach Maki and other idols. Key relationships include her connection to Peach Maki, who is the more prominent idol in the series, and possibly with other employees of the idol office. Her personality is not thoroughly explored, but as an idol she is expected to maintain a cheerful and professional public image. No significant development or notable supernatural abilities are documented. Her presence contributes to the world-building that shows hell has its own pop culture and entertainment sector.