Mizuiro jidai Online
| Credited cast: | |||
 | Jun Akiyama | - | Hiroshi Naganuma (voice) |
| Chieko Higuchi | - | Takako Takahata (voice) |
| Yukiko Matsuura | - | Rumiko |
| Misa Nakamura | - | Ton-chan |
 | Maaya Sakamoto | - | Natsumi Kugayama |
 | Masami Suzuki | - | Yuko Kawai (voice) |
| Kaori Yuasa | - | Buuko |