A journalist becomes possessed by a gakidama, a spirit of the dead. Unknown to the man, a demon is now incubating in his stomach, and a mysterious stranger seem to know what afflicts him.
Unfortunately the movie The Demon Within is not yet available on Disney Plus.
| Directing | Masayoshi Sukita | Director |
| Writing | Atsushi Yamatoya | Screenplay |
| Writing | Baku Yumemakura | Novel |
| Sound | Akira Inoue | Original Music Composer |
| Costume & Make-Up | Shinichi Wakasa | Makeup Effects Designer |
| Camera | Motomu Shimada | Director of Photography |
