Kousei and Kaori arrive just in time for the competition, however without a chance to practice the piece how will Kousei be able to perform? And how can he survive on stage with the memories of his mother still haunting him?

Kousei, Tsubaki and Watari visit Kaori in the hospital, but she insists everything is fine. Tsubaki reflects on her past with Kousei and considers if she has romantic feelings for him. Meanwhile, Kousei makes an important decision about his future.

Kousei's concerns for Kaori temporarily subside as he runs into her on the street and they go shopping. Nagi can't take the harsh criticism she receives with Kousei as her piano teacher.

Nagi and Kousei finally take the stage. Despite acting as Nagi's support during their performance, Kousei challenges Nagi to reach her full potential.

Kousei breaks down and stops playing piano after he witnesses Kaori's health waning. The Eastern Japan Piano Competition continues.

Knowing her time is limited, Kaori undergoes a risky operation, hoping to have the chance to play with Kousei on stage one more time.

The OVA focuses on Kousei, Emi, and Takeshi when they were younger, showing their troubles during their competitions and the beginning of their rivalry.