Sex Machine tells of the affable but simple Hiroshi, who during one sweltering summer in a small, parochial town, moves in with his girlfriend, Haruka. Their lovemaking is as athletic as it is bizarre but a dark storm comes looming when Haruka's ex boyfriend comes knocking at the door.
| Directing | Yūji Tajiri | Director |
| Editing | Shōji Sakai | Editor |
| Writing | Fumio Moriya | Writer |
| Production | Kyoichi Masuko | Producer |
| Production | Mitsuru Fukudawara | Producer |
| Production | Daisuke Asakura | Producer |
| Production | Kazuto Morita | Producer |
| Camera | Masahide Iioka | Director of Photography |