Mia Hiiragi is a female character with light red or orange hair cut to neck length and green eyes. Her figure measures 96-54-82. She presents as a teenager despite being characterized as an adult. Her typical outfit features a crop top, plaid elements, and a collar, frequently exposing her midriff. Mia is the younger sister of Youichi. Her personality includes masochistic tendencies, leading her to engage in sadomasochistic fantasies with her brother. These interactions involve acting out her desires using a soft leather whip and various sex toys.