| Name | Character | Episodes |
|---|---|---|
| Yoshitsugu Matsuoka | Tenryu Kiyomiya (voice) | 1 |
| Miyuki Sawashiro | Ibara Ibu (voice) | 1 |
| Konomi Kohara | Kukumi Ureshino (voice) | 1 |
| Kaito Ishikawa | Keigo Magami (voice) | 1 |
| Rie Takahashi | Kara Minami (voice) | 1 |
| Noriko Hidaka | Riro Takumi (voice) | 1 |
| Mikako Komatsu | Yuri Makuwa (voice) | 1 |
| Ryota Suzuki | Morihito Otogi (voice) | 1 |
| Kenta Miyake | Burst (voice) | 1 |
| Hikaru Midorikawa | Daiki Sakai Mk. II (voice) | 1 |