Riko is a young teenage-girl below average height and slighty above average weight who wears the standard Kitauji High School uniform for second years. Her dark brown hair is styled in two low buns, and she has brown eyes. She has relatively thick, dark eye-brows.
Riko is a soft-spoken and friendly girl who is polite and respects everyone in the school. She can however be serious at times. Her and Goto are in a relationship.