Koryu heads to Yokohama in search of a woman named Birei, kidnapped by diamond smugglers who move their hot rocks by surgically implanting them into the nubile buttocks of Chinese prostitutes. Koryu's older sister, working as a jewelry designer, is secretly, if unhappily, involved with the gangsters.
You can now watch Sister Street Fighter: Hanging by a Thread online on the following streaming providers in the United States.
| Directing | Kazuhiko Yamaguchi | Director |
| Writing | Masahiro Kakefuda | Screenplay |
| Writing | Norifumi Suzuki | Screenplay |
| Camera | Yoshio Nakajima | Director of Photography |
| Art | Shuichiro Nakamura | Production Design |
| Production | Kineo Yoshimine | Producer |
| Production | Kenji Takamura | Producer |
| Sound | Tadayuki Komatsu | Sound Recordist |
| Lighting | Kenzo Ginya | Lighting Technician |
| Sound | Shunsuke Kikuchi | Original Music Composer |
| Editing | Kôji Suzuki | Editor |
| Directing | Akihisa Okamoto | Assistant Director |
| Camera | Mitsuo Katô | Still Photographer |
| Editing | Hiroshi Suzuki | Editor |
| Directing | Takashi Hio | Action Director |