A homeless man meets a medical school student who pays him to volunteer for a surgical procedure known as trepanation, drilling a hole in his skull, which ends up giving him the ability to communicate with the dark side of people’s subconscious minds.
Unfortunately the movie Homunculus is not yet available on Disney Plus.
| Sound | ermhoi | Original Music Composer |
| Sound | Daiki Tsuneta | Theme Song Performance |
| Sound | Ayatake Ezaki | Original Music Composer |
| Writing | Eisuke Naito | Screenplay |
| Editing | Osamu Suzuki | Editor |
| Costume & Make-Up | Ayumi Tanaka | Costume Designer |
| Camera | Jun Fukumoto | Director of Photography |
| Directing | Takashi Shimizu | Director |
| Writing | Hideo Yamamoto | Comic Book |
| Costume & Make-Up | MISA KOIDE | Makeup & Hair |
| Sound | Toru Nishiyama | Sound Recordist |
| Lighting | Tokujû Ichikawa | Gaffer |
| Production | Yoshiki Terashima | Executive Producer |
| Art | SAMUGAE Yoko | Production Design |
| Directing | Yuki Kishizuka | Assistant Director |
| Production | Hideo Katsumata | Production Supervisor |
| Sound | Yuji Akazawa | Sound Effects |
| Production | Chikako Nakabayashi | Producer |
| Production | Harue Miyake | Producer |
| Writing | Takashi Shimizu | Screenplay |
| Production | Masahito Kokuda | Executive Producer |
| Writing | Naruki Matsuhisa | Screenplay |
| Visual Effects | Naotaro Takahashi | Visual Effects Supervisor |
| Visual Effects | Koichi Hirata | Visual Effects Producer |
| Visual Effects | Koichi Hirata | Visual Effects Director |
| Art | Masahide Nakazawa | Decorator |
| Costume & Make-Up | Mayu Ishimura | Makeup & Hair |
