A cool and solitary second-year high school student. She is the bassist of Kessoku Band and Nijika's best friend. Her hobbies are out of the ordinary, and she rejoices when called a weirdo. She lives with a wealthy family but never has any money because she spends it all on instruments. She occasionally eats weeds to get rid of her hunger. Ryo is a quiet girl and prefers to spend time alone. She is in her second year at Shimokitazawa High School at Tokyo metropolitan city.