Kiyoshi Kurosawa’s Retribution remains one of the most overlooked of his recent films, despite feeling like a culmination of so many of the ideas that run through his work. I feel it deserves to be spoken about in the same breath as Cure, not simply because it revisits similar themes, but because it pushes his particular obsessions with moral and psychological decay even further into abstraction. The ghost at the centre of the film is unmistakably one of Kurosawa’s spirits.…