| Seiyuu | Role |
| Kenji Nojima | Wataru Minakami |
| Yui Horie | Sakuya |
| Ryoutarou Okiayu | Akio |
| Kyoko Hikami | Mami |
| Kappei Yamaguchi | Taro Yamada |
| Kumiko Yokote | Shirayuki |
| Tomoe Hanba | Yotsuba |
| Ryoka Yuzuki | Marie |
| Chiemi Chiba | Hinako |
| Natsuko Kuwatani | Karen |
| Hisayo Mochizuki | Kaho |
| Nana Mizuki | Aria |
| Yumiko Kobayashi | Mamoru |
| Ayako Kawasumi | Chikage |
| Yumi Kakazu | Haruka |
| Toshihide Tsuchiya | Jiiya (Wataru's Grandfather) |