A boy who suffers from impaired hearing and a young girl pianist try to solve the mysterious connection between a series of murders and the boy's entangled memories.
| Actor | Role |
|---|---|
| MMitsuru MatsuokaSai | Sai |
 Yû KurosawaHatsune | Hatsune |
 Ken TeraizumiSenji | Senji |
 Kōjirō HongōKakizaki | Kakizaki |
 Kimiko YoRume | Rume |
| SSenri OeNomiya | Nomiya |
 Kenichi YajimaOrihara | Orihara |
 Shinji KasaharaHunter | Hunter |