| Seiyuu | Role |
| Akiko Yajima | Asumi Kamogawa |
| Takehito Koyasu | Lion |
| Risa Mizuno | Yuuko Suzunari |
| Yuki Kaida | Shuu Suzuki |
| Toshiyuki Toyonaga | Shinnosuke Fuchuuya |
| Akiko Kimura | Marika Ukita |
| Fuyuka Ooura | Kei Oumi |
| Noriko Namiki | Yoshida-sensei (Episode 9) |
| Shouto Kashii | Yuuko Suzunari's Father (Episode 9) |
| Misa Watanabe | Kasane's Mother |
| Tomoe Hanba | Kasane |
| Hiroko Kasahara | Asumi's Mother |
| Kenyuu Horiuchi | Asumi's Father |
| Yasunori Masutani | Sano-sensei (Episode 6 - 8, 10, 11, 13, 14) |