Miia is a main character in the anime series 'Monster Musume no Iru Nichijou'. She is a lamia, a half-snake, half-human creature, known for her vibrant red hair and distinct snake-like features. Miia is part of the 'Cultural Exchange Between Species Act' program, where she lives with the protagonist, Kimihito Kurusu, as a homestay guest. Her character is portrayed as affectionate, sometimes overly so, and she often competes with other monster girls for Kimihito's attention. Miia's role in the series highlights themes of coexistence and understanding between different species.