An adaptation of the Shotaro Ikenami novels, set in the historical Edo period, and centered on Fujieda Bayan, a medicine man and doctor by day, but ruthless killer for hire by night. His tools of the trade are the same in either job: acupuncture needles that leave no trace.
| Directing | Toru Hayashi | Director |
| Writing | Megumi Tamura | Screenplay |
| Writing | Shōtarō Ikenami | Novel |
| Sound | Ishida Katsunori | Music |
| Directing | Nobuyuki Sakai | Assistant Director |
| Crew | Shôji Ehara | Cinematography |