After successfully performing a piece imbued with his mother’s memories, Kosei overcomes his trauma and seems stronger than ever. But for Kaori, the gala concert was spent bedridden in the hospital. Her second hospitalization, nearly back-to-back with her previous one, exacerbates Kosei’s fears. Even then, he continues to practice piano. But one day, on the way to his music lessons, a strange girl falls into Kosei’s life–what will he do?!