Kurozuka opens with violence and beauty colliding so hard you forget to breathe, then spends the rest of its runtime warping time and reality until you can't tell if you're watching a love story or a curse eating itself alive. The animation doesn't just support the story, it becomes the story, pulling you through dreamscape and flashback with such deliberate strangeness that confusion starts feeling like the point. By episode six you're lost, by episode twelve you understand that being lost was always the destination, a man and woman trapped in cycles of love and monstrosity that no resolution could ever satisfy.
A defeated samurai named Kurou flees into mountains to escape his brother's wrath, seeking death in solitude. Instead, he discovers a mysterious woman sheltering in a remote shrine. Kuromitsu draws him in with her beauty and tenderness, and Kurou finds himself willing to live again. Their bond deepens into love, but her affection masks something far more sinister than he could imagine. When Kurou finally grasps the truth of what she is, everything shatters. He discovers he's been cursed with immortality, condemned to watch centuries pass while the world transforms around him. From feudal Japan to a dystopian future, Kurou endures as technology and society evolve in ways he never expected. His love becomes both his greatest joy and deepest torment as time itself becomes his enemy. This is a dark romance that blends historical tragedy with science fiction horror. It's for viewers drawn to stories where supernatural consequences destroy as much as they preserve, where immortality becomes a prison rather than a gift, and where love can be the most dangerous force of all.