Spirits are still high after the Maiho Music Competition when Kaori receives a letter in the mail: there’s going to be a gala concert to celebrate the winners, and even though Kaori and Kosei didn’t advance, they’re invited to perform!...

Kosei Arima was a piano prodigy until his cruel taskmaster of a mother died suddenly, changing his life forever. Driven by his pain to abandon piano, Kosei now lives in a monotonous, colourless world. Having resigned himself to a bland life, he is surprised when he meets Kaori Miyazono, a violinist with an unorthodox style....