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.
Yui Aragaki | Yuri Kashiwaga |
Fumino Kimura | Haruko |
Kenta Kiritani | Tetsuo |
Yuri Tsunematsu | Nazuna |
Shota Shimoda | Satoru |
Mayu Yamaguchi | Kotomi Hasegawa |
Wakana Aoi | Chinatsu |
Hayato Sano | Keisuke Mukai |
Kyoka Shibata | Eri |
Hibiki Muroi | Riku Mitamura |
Hidekazu Mashima | |
Daichi Watanabe | Akio Kuwahara |