The brother of an up-and-coming kendoka is mysteriously murdered while working on a new model of motorboat.
| Sound | Seitaro Omori | Original Music Composer |
| Lighting | Hideo Kumagai | Lighting Technician |
| Writing | Seinosuke Asajima | Screenplay |
| Writing | Kenrō Matsuura | Original Story |
| Writing | Michio Satou | Screenplay |
| Directing | Motomu Ida | Director |
| Art | Kazuo Yagyu | Art Direction |
| Editing | Osamu Inoue | Editor |
| Writing | Kenrō Matsuura | Screenplay |
| Camera | Izumi Hagiwara | Director of Photography |
| Sound | Mutsutoshi Ota | Sound Recordist |