“Oyuki, the [Virgin] is based on Kawaguchi Matsutaro’s adaptation of Maupassant’s “Boule de Suif” [“Lump of Fat,” also the inspiration for Ford’s Stagecoach]. To this story Mizoguchi added some of his own elements. Maupassant’s original work, set during the Franco-Prussian War, is the story of a group of people who try to flee the battleground in a horsedrawn carriage. The bour...