Emma, Norman en Ray wonen veilig in het Grace Field House weeshuis. Omringd door hun broertjes en zusjes hebben ze zich voortreffelijk ontwikkeld onder de tedere zorg van 'Moeder', hun verzorger. Op een nacht ontdekken ze echter de vreselijke waarheid achter hun idyllische leven en niets zal meer hetzelfde zijn! Ze moeten nu ontsnappen...of sterven!
Nee, helaas is 約束のネバーランド nog niet beschikbaar op Netflix in Nederland.
| Sound | Kiro Akiyama | Theme Song Performance |
| Sound | Eve | Theme Song Performance |
| Sound | 山内真治 | Music Producer |
| Visual Effects | Miyako Misumi | Opening/Ending Animation |
| Visual Effects | Taiki Konno | Opening/Ending Animation |
| Production | Kazuki Oshima | Producer |
| Visual Effects | 横田明日香 | Color Designer |
| Visual Effects | 劉淯源 | Opening/Ending Animation |
| Visual Effects | ump | Opening/Ending Animation |
| Visual Effects | Hero | Opening/Ending Animation |
| Visual Effects | 邱家和 | Opening/Ending Animation |
| Sound | Takumi Hamamoto | Foley Artist |
| Writing | Kaiu Shirai | Series Composition |
| Art | 池田繁美 | Art Direction |
| Art | Yukiko Maruyama | Art Direction |
| Production | 清水暁 | Production Supervisor |
| Visual Effects | Mizuho Kanda | CGI Director |
| Editing | 白石あかね | Assistant Editor |
| Sound | 小畑貴裕 | Original Music Composer |
| Sound | 八十正太 | Sound Effects |
| Directing | 神戸守 | Series Director |
| Visual Effects | 山本健 | Opening/Ending Animation |
| Visual Effects | 嶋田和晃 | Supervising Animation Director |
| Writing | Posuka Demizu | Comic Book |
| Writing | Kaiu Shirai | Comic Book |
| Camera | 塩川智幸 | Director of Photography |
| Visual Effects | 嶋田和晃 | Character Designer |
| Writing | 大野敏哉 | Series Composition |
| Sound | 清水勝則 | Sound Director |
| Writing | Kaiu Shirai | Original Story |
| Writing | Kaiu Shirai | Original Series Creator |
| Editing | 松原理恵 | Editor |
