In een wereld vol monsters, avonturiers en magie worden enkele van de meest begaafde genezers onderworpen aan brute kracht. Keyaru krijgt het vermogen om de tijd terug te spoelen en draait de rollen om van degenen die hem hebben uitgebuit in dit duistere fantasieverhaal over wraak en woede.
| Visual Effects | Junji Goto | Character Designer |
| Sound | 栗林みな実 | Theme Song Performance |
| Sound | Kenji Fujisawa | Original Music Composer |
| Directing | Takuya Asaoka | Series Director |
| Sound | 中島勝大 | Sound Effects |
| Sound | Shigeto Takeyama | Music Producer |
| Art | 平柳悟 | Art Designer |
| Visual Effects | 越阪部ワタル | 2D Artist |
| Visual Effects | 松山愛子 | Color Designer |
| Art | Masatoshi Kai | Art Direction |
| Sound | Johannes Nilsson | Original Music Composer |
| Art | 藤瀬智康 | Art Designer |
| Writing | 筆安一幸 | Series Composition |
| Sound | Akinari Suzuki | Original Music Composer |
| Visual Effects | Junji Goto | Supervising Animation Director |
| Editing | 肥田文 | Editor |
| Art | Yutaka Miya | Prop Designer |
| Visual Effects | 齊藤佳子 | Supervising Animation Director |
| Production | 櫻井優香 | Executive Producer |
| Production | 篠崎文彦 | Executive Producer |
| Production | Sojiro Arimizu | Producer |
| Camera | Tadashi Kitaoka | Director of Photography |
| Production | Shun'ichi Okabe | Executive Producer |
| Production | Seiichi Kawashima | Producer |
| Production | Taiyo Matsuda | Producer |
| Production | 吉江輝成 | Producer |
| Production | 元長聡 | Producer |
| Production | Natsuki Miyagawa | Producer |
| Production | Akiyoshi Ando | Executive Producer |
| Production | 飯塚彩 | Producer |
| Production | 田中翔 | Executive Producer |
| Production | 山崎明日香 | Executive Producer |
