| Name | Character | Episodes |
|---|---|---|
| Maaya Uchida | Seika Ijichi (voice) | 10 |
| Kana Ichinose | Hitori's Fan 1 (voice) | 4 |
| Shinichiro Kamio | Space Documentary Narrator (voice) | 1 |
| Shigeru Chiba | Post-apocalyptic Guy (voice) | 1 |
| Konomi Kohara | School Festival Committee Member (voice) | 1 |
| Konomi Kohara | Student (voice) | 1 |
| Konomi Kohara | Music Shop Manager (voice) | 1 |
| Kana Ichinose | Live Concert Audience Member (voice) | 1 |
| Taichi Ichikawa | Imaginary Assistant Director (voice) | 1 |
| Taichi Ichikawa | Student (voice) | 1 |
| Atsushi Kosaka | Beach Shack Employee (voice) | 1 |