A second prequel set one day before the events of the Promare film.
| Actor | Role |
|---|---|
 Taichi SaotomeLio Fotia (voice) | Lio Fotia (voice) |
 Kenichi MatsuyamaGalo Thymos (voice) | Galo Thymos (voice) |
 Ayane SakuraAina Ardebit (voice) | Aina Ardebit (voice) |
 Rikiya KoyamaIgnis Ex (voice) | Ignis Ex (voice) |
 Taiten KusunokiVulcan Haestus (voice) | Vulcan Haestus (voice) |
 Nobuyuki HiyamaGueira (voice) | Gueira (voice) |
 Katsuyuki KonishiMeis (voice) | Meis (voice) |
 Mao IchimichiThyma (voice) | Thyma (voice) |