| Ryou | Nakazaki Tatsuya |
| Shiori | Maeda Ai (2) |
| Buru | Ishizuka Hidehiko |
| Zakka | Oota Hikari |
| Ooga | Chiaki |
| Shiroi Shoujo [White Girl] | Tajima Rika |
| Ryou no Chichi [Ryou's Father] | Chiba Shigeru |
| Ryou no Haha [Ryou's Mother] | Sakuma Natsumi |
| Ryou no Ane [Ryou's Older Sister] | Fukushima Orine |
| Kamikiri [Kamikiri Mushi (Longhorn Beetle)] | Tanaka Yuuji |
| Kuwagata [Kuwagata Mushi (Stag Beetle)] | Sakata Masanobu |
| Joou Shiroari [Shiro Ari (Termite)] | Asou Miyoko |
| 17 Sei Zemi [Shuuki Zemi (Periodical Cicadas)] | Tsujimura Mahito |
| Otoshibumi [Japanese Weevil] | Kaneko Yuriko |
| Chou [Butterfly] | Kitou Satoko |
| Hanmyou [Tiger Beetle] | Miki Shinichirou |
| Koorogi Ani [Koorogi (Cricket)] | Tooji Kouta |
| Koorogi Imouto [Koorogi (Cricket)] | Ishiwata Yuki |
| Fukurou [Ural Owl] | Takagi Hitoshi |
| Kumo [Spider] | Mizumori Ado |
| Doku Kinoko [Poisonous Mushroom] | Mizumori Ado |
| Anaunsu [Announce] | Suzuki Takuma |
