An antique sword exposes tension between three siblings.
Unfortunately the movie Katana is not yet available on HBO Max.
| Production | Haruki Kadokawa | Executive Producer |
| Writing | Tsutomu Nakamura | Screenplay |
| Writing | Baku Akae | Original Story |
| Directing | Tōichirō Narushima | Director |
| Writing | Tōichirō Narushima | Screenplay |
| Sound | Hozan Yamamoto | Music Director |
| Camera | Hiroaki Sugimura | Director of Photography |
| Editing | Tomoyo Ōshima | Editor |
