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 |
| Directing | Takuya Asaoka | Series Director |
| Sound | Kenji Fujisawa | Original Music Composer |
| Sound | 中島勝大 | Sound Effects |
| Art | Masatoshi Kai | Art Direction |
| Art | 平柳悟 | Art Designer |
| Art | 藤瀬智康 | Art Designer |
| Visual Effects | 松山愛子 | Color Designer |
| Visual Effects | 越阪部ワタル | 2D Artist |
| Sound | Shigeto Takeyama | Music Producer |
| Sound | Johannes Nilsson | Original Music Composer |
| 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 | Akiyoshi Ando | Executive Producer |
| Production | 山崎明日香 | Executive Producer |
| Production | 篠崎文彦 | Executive Producer |
| Production | 田中翔 | Executive Producer |
| Production | Shun'ichi Okabe | Executive Producer |
| Production | 櫻井優香 | Executive Producer |
| Production | 飯塚彩 | Producer |
| Production | Natsuki Miyagawa | Producer |
| Production | 元長聡 | Producer |
| Production | Seiichi Kawashima | Producer |
| Production | Sojiro Arimizu | Producer |
| Production | Taiyo Matsuda | Producer |
| Production | 吉江輝成 | Producer |
| Camera | Tadashi Kitaoka | Director of Photography |
