Simon and Kamina live in an underground city monitored by the village chief. When Simon stumbles upon an artifact and beastmen invade from the surface, Simon and Kamina rebel against them.
| Art | Yuka Hirama | Art Direction |
| Camera | Toyonori Yamada | Director of Photography |
| Sound | Toru Nakano | Sound Director |
| Visual Effects | Yoh Yoshinari | Mechanical & Creature Designer |
| Directing | Hiroyuki Imaishi | Director |
| Writing | Kazuki Nakashima | Writer |
| Crew | Kazuki Nakashima | Creator |
| Directing | Masahiko Otsuka | Assistant Director |
| Visual Effects | Atsushi Nishigori | Character Designer |
| Production | Yasuhiro Takeda | Executive Producer |
| Production | Hiromi Wakabayashi | Co-Producer |
| Sound | Taku Iwasaki | Original Music Composer |
| Visual Effects | Akemi Hayashi | Key Animation |
| Visual Effects | Akira Amemiya | Key Animation |
| Visual Effects | Atsushi Nishigori | Key Animation |
| Visual Effects | Hiroki Mutaguchi | Key Animation |
| Visual Effects | Hiroyuki Imaishi | Key Animation |
| Visual Effects | Ikuo Kuwana | Key Animation |
| Visual Effects | Keisuke Watabe | Key Animation |
| Visual Effects | Ken Ootsuka | Key Animation |
| Visual Effects | Ryoji Masuyama | Key Animation |
| Visual Effects | Ryouta Hayatsu | Key Animation |
| Visual Effects | Shouko Nakamura | Key Animation |
| Visual Effects | Sushio | Key Animation |
| Visual Effects | Tadashi Hiramatsu | Key Animation |
| Visual Effects | Takashi Mukouda | Key Animation |
| Visual Effects | Yoh Yoshinari | Key Animation |
| Visual Effects | Yusuke Tanaka | Key Animation |
| Visual Effects | Atsushi Nishigori | Animation Director |
| Visual Effects | Hiroyuki Imaishi | Animation Director |
| Art | Atsushi Nishigori | Storyboard Artist |
| Art | Hiroyuki Imaishi | Storyboard Artist |
| Writing | Kazuki Nakashima | Original Film Writer |
| Directing | Shin Itagaki | Director |
| Directing | Tarou Iwasaki | Director |
| Directing | Osamu Kobayashi | Director |
| Directing | Hiroshi Kurimoto | Director |
| Directing | Takayoshi Morimiya | Director |
| Directing | Katsuichi Nakayama | Director |
| Directing | Shouji Saeki | Director |
| Directing | Hiroaki Tomita | Director |
| Directing | Akitoshi Yokoyama | Director |
| Directing | Masahiko Otsuka | Director |
| Writing | Kazuki Nakashima | Screenplay |
| Writing | Shouji Saeki | Screenplay |
| Writing | Kurasumi Sunayama | Screenplay |
| Writing | Hiroshi Yamaguchi | Screenplay |
| Writing | Masahiko Otsuka | Screenplay |
