 Haruka AokiChiikawa (voice) | Chiikawa (voice) |
 Makoto TanakaHachiware (voice) | Hachiware (voice) |
 Ari OzawaUsagi (voice) | Usagi (voice) |
 Yuka IguchiMomonga (voice) | Momonga (voice) |
 Takayuki AsaiKurimanju (voice) | Kurimanju (voice) |
 Yuma UchidaRakko (voice) | Rakko (voice) |
 Miyuri ShimabukuroShisa (voice) | Shisa (voice) |
 Momo HarumiFuruhonya (voice) | Furuhonya (voice) |
 Tsuguo MogamiShimajiro (voice) | Shimajiro (voice) |
 Minori SuzukiSiren (voice) | Siren (voice) |
 Momoka TerasawaHitoha (voice) | Hitoha (voice) |
 Sayumi SuzushiroFutaba (voice) | Futaba (voice) |
 Saeko OkiMermaid (voice) | Mermaid (voice) |
 Ayaka NanaseMermaid (voice) | Mermaid (voice) |
 Nozomi NagumiMermaid (voice) | Mermaid (voice) |
 Chihiro KawakamiRepresentative of the Islanders (voice) | Representative of the Islanders (voice) |
 Misato MatsuokaMiso-pickled Islander (voice) | Miso-pickled Islander (voice) |
 Nina HanamiyaMiso-pickled Islander (voice) | Miso-pickled Islander (voice) |
| NNatsuno KinoseFriendly 'bird' (voice) | Friendly 'bird' (voice) |
 Rinka IshikawaGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
 Akina HoumotoGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
 Shu UchidaGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
| IIzumi UmemotoGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
| NNanami KusakariGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
 Akane KumadaGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
| RReika KoyamaGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
 Riko SakurayaGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
| YYûka SuzumiGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
 Nina TamakiGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
 Reina NagaoGray Children / Islanders (voice) | Gray Children / Islanders (voice) |
