A castle made from transformed people. A girl trying to save her brother from becoming living architecture. Unico moves through this nightmare with childlike wonder, which makes the horror worse, not better. The animation catches light the way dreams do, then switches to showing you exactly what it costs when magic strips someone of their humanity. This is a children's film that understands transformation as genuine violation. By the end, you've watched something beautiful spend its whole runtime being kind to people who've become objects.
A young unicorn with magical powers arrives on an island where a sinister wizard named Kukuruku has twisted human bodies into living building materials for his grotesque castle. Those transformed carry the weight of their curse silently, their consciousness trapped within stone and wood while their forms serve a dark purpose. Cherry, a determined girl, seeks out Unico after her own brother falls under Kukuruku's influence, becoming a devoted student to the wizard and losing sight of his humanity in the process. Unico must confront not just the physical threat of Kukuruku's sorcery, but the question of whether transformation can ever be undone. The story examines how magic shapes not only bodies but souls, asking whether someone changed by darkness can find their way back to kindness. As Unico battles to free the island from this curse, the real struggle lies in reaching those who have willingly surrendered themselves to it. This is dark fantasy tinged with melancholy, grounded in questions about identity and redemption rather than simple heroic triumph.