In 2039, helper androids are widespread as general purpose electronics. Keiichirou lost his family in a traffic accident and retired from his band. One day, he finds an old model android in a garbage dump. He takes her home and names her "Flower".
Unfortunately the movie Half-Broken Music Box is not yet available on HBO Max.
| Directing | Keiichiro Kawaguchi | Director |
| Writing | Shin'ichi Inotsume | Screenplay |
| Sound | Junichi Sasaki | Sound Effects |
| Visual Effects | Kimitake Nishio | Character Designer |
| Visual Effects | Sachiko Harada | Color Designer |
| Writing | Shin'ichi Inotsume | Series Composition |
| Sound | Hiroki Matsuoka | Sound Director |
| Editing | Jun Taguma | Editor |
