![Ali and Nino](https://i0.wp.com/3amovies.com/wp-content/uploads/2024/05/k678ohrP2DcfgElWZl2mxdO3vEd.jpg?resize=185%2C278&ssl=1)
Yuri Kashiwaga was once known as a genius pianist. One day, she returns to her hometown in Goto Islands from Tokyo. There, she begins to work as a temporary teacher at a middle school and advisor for the school chorus. The chorus aims to take part at a competition. Yuri gives the members of the chorus members an assignment. She instructs them to write a letter with the title of “To myself 15 years later.” The 15-year-old boys and girls write about their secrets and worries.