| Seiyuu | Role |
| Kouki Miyata | Kantarou Ichinomiya |
| Takahiro Sakurai | Haruka |
| Tomoko Kawakami | Youko |
| Souichirou Hoshi | Sugino |
| Omi Minami | Muu-chan |
| Nana Mizuki | Suzu Edogawa |
| Hiroki Takahashi | Edwards (Episode 17) |
| Marina Inoue | Rosalie (Episode 17 - 25) |
| Mayumi Asano | Ibaragi (Episode 12, 13, 20, 21, 23 - 25) |
| Yuko Kaida | Yumeyakko (Episode 5, 9, 17, 25) |
| Omi Minami | Reiko |
| Nobuo Tobita | Ryoukan Hasumi (Episode 9, 17, 18, 20 - 23, 25) |
| Masaya Matsukaze | Raikou Minamoto (Episode 12, 13, 17, 20 - 25) |
| Masumi Asano | Fumi (Episode 4) |
| Yuri Amano | Hitoshi's Mother (Episode 3) |
| Yuri Amano | Chikage (Episode 15) |
| Issei Miyazaki | Yoshio (Episode 19) |
| Mariko Suzuki | Kotoe (Episode 16) |
| Kousuke Toriumi | Kenichirou (Episode 16) |
| Sayuri Yoshida | Ayame (Episode 18) |
| Yuichi Nagashima | Numata (Episode 17) |
| Nobutoshi Hayashi | Seiichi (Episode 4) |
| Takashi Matsuyama | Shinsaburou Aoyagi (Episode 5) |
| Kouji Ishii | Suzu's Father (Episode 1 & 25) |
| Kana Ueda | Miyako Edogawa (Episode 1) |
| Hitomi Nabatame | Shino (Episode 1) |
| Satsuki Yukino | Kosome (Episode 2) |
| Yumi Kakazu | Kiyo (Episode 3) |
| Megumi Nasu | Yae (Episode 5) |
| Kotono Mitsuishi | Kyouko (Episode 10 & 11) |
| Mai Kadowaki | Mai (Episode 10 & 11) |
| Miyu Matsuki | Miyabi (Episode 10 & 11) |
| Kazuhiko Inoue | Watanabe (Episode 13, 20, 21, 23 - 25) |
| Kishou Taniyama | Takahashi (Episode 13) |
| Mamiko Noto | Yuri (Episode 20) |