Mieruko/Miko is a high school student in class 1-3. She started to see demons but at all costs she tries to underestimate them and pretend that they don't exist. She has long black hair and yellow eyes. She is quiet but with her friends confident but not too cheerful. Her friends are Hana Yurikawa and Yuria-chan. Hana has an aura because she eats a lot and it protects her but Yuria doesn't. Yuria is used to these phenomena and knows how to live with them.