Lingalind is een land omsloten door de Muur. De muur bedekt, beschermt, cultiveert en voedt het land. Op een dag verschijnt in Edger, een dorp aan de rand van Lingalind, een mysterieuze man genaamd Back Arrow. Arrow is zijn geheugen kwijt, maar hij beweert dat hij alleen maar weet dat "ik van buiten de Muur kwam".
Nee, helaas is バック・アロウ nog niet beschikbaar op Netflix in Nederland.
| Visual Effects | 菅野 利之 | Character Designer |
| Visual Effects | Shinobu Otaka | Character Designer |
| Sound | 田中公平 | Original Music Composer |
| Crew | 山根理宏 | CG Supervisor |
| Sound | LiSA | Theme Song Performance |
| Visual Effects | 天神英貴 | Mechanical Designer |
| Directing | 谷口悟朗 | Series Director |
| Visual Effects | 菅野 利之 | Supervising Animation Director |
| Sound | 山内真治 | Music Producer |
| Sound | 小林亜依里 | Sound Effects |
| Sound | 野崎博樹 | Sound Effects |
| Editing | 神宮司由美 | Editor |
| Production | 蔡愛蓮 | Producer |
| Production | 大和田智之 | Producer |
| Sound | Yoichi Shiratori | Sound Recordist |
| Art | 吉田大輔 | Creative Director |
| Sound | 名倉靖 | Sound Director |
| Art | 橋本和幸 | Art Direction |
| Camera | 浅村徹 | Director of Photography |
| Visual Effects | Takashi Saito | CGI Director |
| Art | 寺岡賢司 | Prop Designer |
| Art | 山根公利 | Art Designer |
| Production | Shinichiro Kato | Producer |
| Production | 都真由 | Producer |
| Production | 長谷川嘉範 | Producer |
| Production | Shinichi Tsuchiya | Producer |
| Writing | 谷口悟朗 | Original Story |
| Writing | 中島かずき | Original Story |
| Writing | 中島かずき | Series Composition |
| Visual Effects | 堀川佳典 | Color Designer |
| Directing | 谷口悟朗 | Director |
| Writing | 中島かずき | Screenplay |
