Riko is a petite twenty-six year old woman, approximately 1.65cm tall. Riko has long, slightly wavy but straight navy blue hair and eyes of the same navy blue color. Riko keeps her long hair tied in a high ponytail, tied with a white elastic. Riko's outfits can vary, when she goes on a mission to exorcise curses, she wears a white shirt, a pale red tie, dark gray dress pants, and a dressy dark gray women's jacket, and then some classic elegant black women's shoes.