Sin Kiske, the child of a human and a Gear, heads to his father Ky and mother Dizzy’s wedding ceremony. Their wedding breaks the ultimate taboo: a union between a human and a Gear. Even with the world at peace, it took many years for such a ceremony to come to fruition. Despite the complex array of emotions surrounding it, the wedding ceremony is met with blessings. When suddenly, a mysterious girl appears… The fated child inheriting Gear blood–and the mysterious girl who despises Gears. Their meeting would shake the world.
| Production | Seiji Mizushima | Associate Producer |
| Directing | Yuu Kou | Series Director |
| Writing | Norimitsu Kaiho | Series Composition |
| Art | Kazuhiro Arai | Art Direction |
| Visual Effects | Takuya Chanohara | Character Designer |
| Visual Effects | Yuuka Hachimori | Character Designer |
| Visual Effects | Joseph Shin | Character Designer |
| Directing | Shinpei Ishikawa | Assistant Director |
| Directing | Hiroshi Morita | Assistant Director |
| Editing | Hatsumi Hidaka | Editor |
| Sound | Fumihiko Otera | Sound Director |
| Visual Effects | Daisuke Okumura | Compositing Lead |
| Visual Effects | Daisuke Ishiwatari | Character Designer |
| Visual Effects | Nayu Ishibashi | Color Designer |
