Nagisa Oshima made one animation, and it's nothing like what anime became. A young lord seeking vengeance meets a ninja teaching peasants to fight back, and the film treats both with the same cold precision Oshima brought to his live-action provocations. The animation barely moves. What matters is that a master filmmaker saw manga as material worth taking seriously, and he made something that feels like a historical document from the moment it was born.
A young man haunted by his father's assassination plots his revenge across a fractured medieval Japan. His quest leads him to Kagemaru, a ninja operating outside the law, fighting alongside peasants and farmers crushed under Oda Nobunaga's iron grip. What begins as a personal vendetta transforms into something larger as the protagonist discovers common cause with those resisting tyranny from below. Directed by Nagisa Oshima, the visionary behind Japanese cinema's most radical experiments, this single animated feature carries his signature provocations into feudal warfare. The film refuses easy heroics or comfortable morality. Instead, it presents violence as brutal necessity and ideology as something forged in blood and mud, not in grand speeches. Shadow and light clash across chaotic battle sequences that feel almost documentary in their intensity. Viewers drawn to action rooted in political struggle, animation that challenges rather than comforts, and historical settings used to ask contemporary questions will find themselves transfixed. This is arthouse rebellion dressed in period armor.