Ryo Yamada is a second-year high school student and bassist of Kessoku Band in the anime series Bocchi the Rock!. She is depicted as cool, solitary, and eccentric with blue hair and yellow eyes. Despite her expressionless exterior, she has a mischievous sense of humor. She is knowledgeable about rock bands, a fan of SICK HACK, and spends her money on musical instruments. Ryo's interest in rock is to get her wealthy parents to think she went down the wrong path.