Speelt zich af in een toekomstige wereld. Japan heeft een geweldige medische technologie gecreëerd die de ethiek, de gezondheid en de sociale interactie controleert om een perfecte wereld te creëren. Drie jonge meisjes proberen zich hiertegen te verzetten door zelfmoord te plegen, maar het lukt niet. Jaren later moet Tuan, een van de meisjes die een zelfmoordpoging deed, een crisis voorkomen die deze 'perfecte' wereld bedreigt.
Nee, helaas is ハーモニー nog niet beschikbaar op Netflix in Nederland.
| Directing | Michael Arias | Director |
| Directing | Takashi Nakamura | Director |
| Writing | Satoshi Itō | Novel |
| Writing | Koji Yamamoto | Screenplay |
| Production | Yoko Matsuzaki | Executive Producer |
| Production | Tomoko Ogiwara | Producer |
| Production | Noriko Ozaki | Producer |
| Production | Eiko Tanaka | Producer |
| Production | Koji Yamamoto | Executive Producer |
| Production | Takashi Yoshizawa | Producer |
| Sound | Yoshihiro Ike | Original Music Composer |
| Editing | Kengo Shigemura | Editor |
| Art | Osamu Hasada | Art Direction |
| Art | Marefumi Niibayashi | Art Direction |
| Art | Kazuhiro Arai | Background Designer |
| Art | Kosuke Hayashi | Art Direction |
| Art | Takashi Nakamura | Storyboard Artist |
| Visual Effects | Kumiko Naruke | Color Designer |
| Art | Seiki Tamura | Background Designer |
| Sound | Naoki Imazawa | Sound Assistant |
| Sound | Koji Kasamatsu | Sound Designer |
| Sound | Hideaki Kizawa | Sound Assistant |
| Sound | Yasushi Nagura | Recording Supervision |
| Sound | Yukie Saeki | Sound Engineer |
| Visual Effects | Yuusuke Hirota | CGI Director |
| Sound | Hiroaki Sano | Music Producer |
| Visual Effects | Manabu Oohashi | Key Animation |
| Visual Effects | Zhao Xiangchun | Key Animation |
| Visual Effects | Wakana Yamashina | Key Animation |
| Visual Effects | Koji Watanabe | Mechanical Designer |
| Visual Effects | Koji Watanabe | Key Animation |
| Visual Effects | Emi Watanabe | Key Animation |
| Visual Effects | Yuko Yamamoto | Key Animation |
| Art | Hiroyuki Ito | Art Direction |
| Art | Hiroyuki Ito | Background Designer |
| Art | Kosuke Hayashi | Background Designer |
| Visual Effects | Miyuki Nakamura | Key Animation |
| Visual Effects | Hiroyuki Okuno | Key Animation |
| Art | Masashiro Watanabe | Background Designer |
| Visual Effects | Satoshi Sakai | Key Animation |
| Visual Effects | Mayumi Oda | Key Animation |
| Visual Effects | redjuice | Character Designer |
| Art | Osamu Hasada | Background Designer |
| Art | Marefumi Niibayashi | Background Designer |
