The protagonist of the anime series "Ao no Orchestra" is a talented young violinist named Hajime Aono. The sounds of his beloved instrument have surrounded him since birth, as his father, also a musician, served as an example for him. However, the divorce of his parents deeply wounded Hajime. He lost interest in the violin and felt as if he had lost his soul. Everything changed when he met a classmate at his new school. The girl, who was passionate about music, told him about her dream of joining a prestigious youth orchestra, and Hajime decided to try his luck as well.