A prequel to Promare, set one day before the events of the film.
Unfortunately the movie Promare / Side: Galo is not yet available on HBO Max.
| Sound | Hiroyuki Sawano | Original Music Composer |
| Art | Hiroyuki Imaishi | Art Direction |
| Art | Hiromi Wakabayashi | Art Direction |
| Art | Shigeto Koyama | Art Direction |
| Visual Effects | Daizen Komatsuda | Key Animation |
| Visual Effects | Tim Ridley | Visual Development |
| Visual Effects | Mai Yoneyama | Visual Development |
| Visual Effects | Jonathan Stroh | Visual Development |
| Visual Effects | Kengo Saito | Key Animation |
| Visual Effects | Khang Le | Visual Development |
| Visual Effects | Grant Alexander | Visual Development |
| Directing | Hiroyuki Imaishi | Director |
| Art | Daizen Komatsuda | Storyboard Artist |
| Art | Yumi Ishii | Background Designer |
| Editing | Tetsuro Tsukada | Online Editor |
| Sound | Yasunori Ebina | Sound Director |
| Art | Satoko Nakamura | Background Designer |
| Art | Naoto Imamura | Background Designer |
| Art | Yusuke Watanabe | Background Designer |
| Sound | Eiko Morikawa | Sound Effects |
| Art | Ikuko Kogayu | Background Designer |
| Art | Midori Shimada | Background Designer |
| Writing | Kazuki Nakashima | Screenplay |
| Art | Natsumi Murakata | Background Designer |
| Art | Kurumi Katayama | Background Designer |
| Art | Kosuke Hayashi | Background Designer |
| Art | Kinichi Okubo | Background Designer |
| Sound | Tetsuya Satake | Sound Mixer |
| Art | Yuki Nomura | Background Designer |
| Art | Yohei Takamatsu | Background Designer |
| Art | Ikuyo Kiyota | Background Designer |
| Writing | Kazuki Nakashima | Original Story |
| Visual Effects | Hiroyuki Imaishi | Key Animation |
| Art | Tomotaka Kubo | Art Direction |
| Visual Effects | Shigeto Koyama | Character Designer |
| Visual Effects | Kengo Saito | Animation Director |
| Visual Effects | Sushio | Key Animation |
| Editing | Junichi Uematsu | Editor |
