She works a part-time job at the live house STARRY with Nijika Ijichi. 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.

Ryo has short blue hair with two black square hair clips on the right side of her bangs and yellow eyes.