| Seiyuu | Role |
| Masumi Asano | Manatsu Kuroki |
| Youko Honda | Ichika Tachibana |
| Tomoko Kawakami | Satsuki Takigawa |
| Yurika Ochiai | Keiko Takamura |
| Yukari Tamura | Michiru Munakata |
| Nobuo Tobita | Sei |
| Nobutoshi Hayashi | Kai |
| Maria Kawamura | Saya |
| Kenji Hamada | Ichika's Father |
| Hitomi Nabatame | Ichika's Mother |
| Yumi Kakazu | Maki (Episode 2) |
| Daisuke Ono | Ryou (Episode 2) |
| Mikako Takahashi | Sanae (Episode 2) |
| Akira Sasanuma | Satsuki's Brother (Episode 3 & 5) |
| Houko Kuwashima | Nao Shimizu (Episode 3) |
| Kumiko Higa | Eri (Episode 3) |
| Junji Majima | Kouji (Episode 3) |
| Shintarou Oohata | Masataka (Episode 3) |
| Hiro Shimono | Nozomu (Episode 5 & 9) |
| Yuka Inokuchi | Tomoko (Episode 4) |
| Chiwa Saitou | Yuka (Episode 4) |
| Hirofumi Nojima | Atachi (Episode 4) |
| Yuri Amano | Mitsuki Shirasaka (Episode 8) |
| Akiko Hiramatsu | Shiho Shirasaka (Episode 8) |
| Mayumi Yoshida | Rui Munakata (Episode 1, 9, 10) |
| Kana Ueda | Minami (Episode 9) |
| Ryoko Nagata | Hinata-sensei (Episode 1, 4, 11) |