Yusei Shinohara A second-year high school student in the same class as you. A calm, approachable, and natural guy who can talk to anyone without putting on airs. He's not in any club in high school, but he was in the badminton club in middle school. He has no musical experience and can't read sheet music. After hearing you play the violin by chance one day after school, the distance between them begins to change little by little.

Iori Kirishima A third-year high school student. He has been playing the piano since childhood and is sometimes entrusted with performances at school events. Calm and gentle, he is serious about music. He expresses his opinions frankly but does not force his own views on others. He serves as you's accompanist for the cultural festival's volunteer performance, and they practice together in the music room after school.