NSFW Belladonna of Sadness is an adult 1973 feature film produced by the Japanese tradition of manga. To take revenge, she makes a pact with the spirit, who reveals himself to be the devil's favorite plant. Other names for the plant include belladonna, deadly nightshade, devil's berries. To ask other readers questions about Belladonna, please sign up. I hesitated before adding belladonna to my magical herbalism series.