The owner of an established photo studio, collapses from illness. His son Shinta, who was raised by his divorced wife, comes home. One day, an elderly woman named shows up at the studio and beckons Shinta to come with her. They arrive at a grassy field where Shinta finds about the secret of the "singing voice" that keeps echoing in his memory and about his father's feelings.
| Actor | Role |
|---|---|
 Ren OsugiMikio Kobayashi | Mikio Kobayashi |
 Nene OtsukaEiko Muto | Eiko Muto |
 Kyōko KagawaFukiko | Fukiko |
 Kenji MizuhashiKeiichi Mizuno | Keiichi Mizuno |
 NahanaMari Miuno | Mari Miuno |
 Masao KomatsuYoshiro Nozaki | Yoshiro Nozaki |
 Hiroki NakajimaHiroki Iwauchi | Hiroki Iwauchi |
 Kōta KusanoRyosuke Kishida | Ryosuke Kishida |
 Sayu KubotaMomoko Kubo | Momoko Kubo |
 Nagatoshi SakamotoTakeharu Yoshii | Takeharu Yoshii |