A 30-minute OVA composed of five Koji Nanjo music videos, featuring never-seen scenes between Takuto and him, with an original art gallery by Minami Ozaki at the end.
Unfortunately the movie Bronze: Cathexis Koji Nanjo is not yet available on HBO Max.
| Directing | Rintaro | Director |
| Art | Yoshiaki Kawajiri | Storyboard Artist |
| Art | Koichi Chigira | Storyboard Artist |
| Art | Morio Asaka | Storyboard Artist |
| Production | Masao Maruyama | Producer |
| Sound | Yasunori Honda | Sound Director |
| Writing | Toshio Hirata | Storyboard |
| Visual Effects | Kenji Hayama | Key Animation |
| Visual Effects | Osamu Mikasa | Color Designer |
| Writing | Minami Ozaki | Original Series Creator |
| Writing | Tatsuhiko Urahata | Series Composition |
