A wandering samurai finds a straw dummy with a magical sword, which makes him overwhelmingly powerful but begins to drive him mad.
Unfortunately the movie Muramasa is not yet available on HBO Max.
| Writing | Hyakkimaru | Characters |
| Sound | Yuho Tousha | Music |
| Directing | Osamu Tezuka | Director |
| Visual Effects | Junji Kobayashi | Animation |
| Production | Yoshihiro Shimizu | Producer |
| Sound | Roetsu Tousha | Music |
