Prior to producing a television series, a prototype movie was created so that investors and broadcasters could perceive the work"s overall quality. This prototype for "Dororo" portrays characters that remain truer to the original narrative than those later adapted for the series. In the broadcast version, the characters" looks and traits are periodically tweaked to boost viewer appeal. Consequently, some audiences adored it, while others were less enthusiastic. The prototype was shot in full color, whereas the series ran in black‑and‑white because of a stricter budget. The plot follows a youthful thief named Dororo and a man cursed as Hyakkimaru who together vanquish monsters. Only after eliminating 48 demons can Hyakkimaru become a fully human. This transformation marks the climax of his redemption arc, underscoring themes of sacrifice and resilience that resonate throughout the series for viewers worldwide and fans.