| Kousei Arima was a genius pianist until his mother's sudden death took away his ability to play. Each day was dull for Kousei. But, then he meets a violinist named Kaori Miyazono who has an eccentric playing style. Can the heartfelt sounds of the girl's violin lead the boy to play the piano again? |
| Name | Character | Episodes |
|---|---|---|
| Natsuki Hanae | Kousei Arima (voice) | 23 |
| Risa Taneda | Kaori Miyazono (voice) | 23 |
| Yuki Kaji | Takeshi Aiza (voice) | 14 |
| Saori Hayami | Emi Igawa (voice) | 12 |
| Atsuko Tanaka | Yuriko Ochiai (voice) | 9 |
| Inori Minase | Koharu Seto (voice) | 9 |
| Ai Kayano | Nagi Aiza (voice) | 8 |
| Nobuo Tobita | Mr. Kazama (voice) | 4 |
| Kazuyuki Okitsu | Saitou (voice) | 4 |
| Yuma Uchida | Audience Member (voice) | 1 |
| Junya Enoki | Contestant (voice) | 1 |
| Junya Enoki | Male Student (voice) | 1 |
| Daiki Hamano | Nurse (voice) | 1 |
| Soma Saito | Audience Member (voice) | 1 |
| Rie Takahashi | Audience Member (voice) | 1 |
| Rie Takahashi | Setsuko (voice) | 1 |
| Yumi Kakazu | Emi's Mother (voice) | 1 |
| Atsuko Yuya | Takeshi's Mother (voice) | 1 |
| Inori Minase | Megu (voice) | 1 |
| Makoto Furukawa | Male Student (voice) | 1 |
| Kana Yuuki | Female Student (voice) | 1 |
| Ayaka Asai | Woman (voice) | 1 |
| Ai Kakuma | Girl (voice) | 1 |
| Ai Kakuma | Clerk (voice) | 1 |
| Masashi Nogawa | Music Teacher (voice) | 1 |
| Mitsutoshi Shundo | Judge (voice) | 1 |
| Mitsutoshi Shundo | Audience Member (voice) | 1 |
| Atsushi Kosaka | Audience Member (voice) | 1 |
| Megumi Okada | Parent (voice) | 1 |
| Jun'ichi Yanagita | Kousuke Oka (voice) | 1 |